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<h4>Sweep Type &nbsp;&nbsp;
<a href="javascript:void(0);" onClick="var e; if (parseInt(navigator.appVersion)>=4){e=event;}  if (parseInt(navigator.appVersion) >=2 && typeof(PopupMenu_Invoke) == 'function') PopupMenu_Invoke(e,'','Channel - Sweep','Channel_-_Sweep.htm','Setting up a Sweep','../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm');return false;" title="Related Topics"><img src="../../../ss_btn_related_topics1.gif" border=0 height=17 width=82 alt="Related Topics"></a>

 </h4>

<p>The <span style="font-style: italic;"><I>Sweep Type</I></span> submenu defines 
 the sweep variable (frequency/power/time) and the position of the sweep 
 points across the sweep range.</p>

<p class=Figure><img src="Sweep_Type_Menu.gif" width="449px" height="232px" border="0" class="img_whs1"></p>

<ul type="disc" class="whs2">
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Lin_Frequency"
	id=a3
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Lin. 
 Frequency</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a3');
//--></script></I></span> 
 is the default sweep type. The stimulus frequency is swept in equidistant 
 steps over the continuous frequency range. In a Cartesian diagram, the 
 x-axis is a linear frequency axis.</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Log_Frequency"
	id=a6
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Log. 
 Frequency</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a6');
//--></script></I></span> 
 is<span style="font-style: italic;"> <I></I></span>analogous to <span style="font-style: italic;"><I>Lin. 
 Frequency, </I></span>however, the frequency is swept in equidistant steps 
 on a logarithmic scale. In a Cartesian diagram, the x-axis is a logarithmic 
 frequency axis.</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Segmented_Frequency"
	id=a27
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Segmented 
 Frequency</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a27');
//--></script></I></span> 
 is<span style="font-style: italic;"> <I></I></span>analogous to <span style="font-style: italic;"><I>Lin. 
 Frequency </I></span>but uses a sweep range that can be composed of several 
 continuous frequency ranges or single frequency points defined via <a 
 href="Define_Segments.htm"
	id=a10
	style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Segments</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a10');
//--></script>.<span 
 style="font-style: italic;"> <I></I></span>A valid segment list must be defined 
 before activating <span style="font-style: italic;"><I>Segment Frequency. 
 </I></span></p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Power"
	id=a28
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Power</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a28');
//--></script></I></span> 
 sweeps are performed at constant frequency but with variable generator 
 power that is swept in linear, equidistant steps over a continuous range. 
 In a Cartesian diagram, the x-axis is a dB-linear power axis.</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#CW_Time"
	id=a29
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Time</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a29');
//--></script></I></span> 
 sweeps are performed at constant frequency and stimulus power. The measurement 
 is repeated over a specified period of time at constant time intervals.</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#CW_Trigger_Events"
	id=a30
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">CW Mode</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a30');
//--></script></I></span> 
 is a variant of the <span style="font-style: italic;"><I>Time </I></span>sweep 
 where the individual measurements are triggered according to the current 
 trigger settings.</p></li>
</ul>


<hr align="center" width="50%" class="whs3">


<h5 class="whs4"><a name=Lin_Frequency></a>Lin. Frequency </h5>

<p>In a <span style="font-style: italic;"><I>Lin. Frequency </I></span>sweep the 
 stimulus frequency is swept in equidistant steps over the continuous frequency 
 range. The frequency range (sweep range) is defined with the <a href="../Stimulus/Channel_Stimulus.htm" id="a1" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a1');
//--></script> 
 settings. The step width between two consecutive sweep points is constant 
 and given by &lt;Span&gt;/(n - 1) where n is the specified <a href="Number_of_Points.htm"
	id=a2
	style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Number 
 of Points</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a2');
//--></script> 
 (n &gt; 1). The internal generator power can be set, if so desired, in 
 the <a href="../Power_Bandwidth_Average/Power_Bandwidth_Average.htm#Power" id="a8" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Power 
 Bandwidth Average</a><script type="text/javascript"
													language=JavaScript1.2><!--
kadovInitEffects('a8');
//--></script> 
 submenu. &nbsp;</p>

<p>A <span style="font-style: italic;"><I>Lin. Frequency </I></span>sweep corresponds 
 to the analysis of a signal over the frequency, as obtained e.g. by means 
 of a spectrum analyzer. This is the default sweep type. In a Cartesian 
 diagram the measurement result is displayed as a trace over a linear frequency 
 scale (spectral representation). The following example shows a <span style="font-style: italic;"><I>Lin. 
 Frequency </I></span>sweep with a stimulus range between 4.5 GHz and 6 GHz, 
 the forward transmission parameter S12 as measured quantity, and a <span 
 style="font-style: italic;"><I><a href="../../Trace/Format/Trace_Format.htm#dB_Mag"
								id=a44
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">dB 
 Mag</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a44');
//--></script></I></span> 
 scaled y-axis. </p>

<p class=Figure><img src="Lin_Frequency.gif" width="505px" height="222px" border="0" class="img_whs5"></p>

<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> <a href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#Lin. Frequency"
												id=a7
												style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>Lin. Frequency 
 </I></span>sweep</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a7');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="a47" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 LINear</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a47');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a21" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Chn&gt;:]FUNCtion[:ON] &quot;XFRequency:...&quot;</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a21');
//--></script> 
 </td></tr>
</table>


<hr align="center" width="50%" class="whs3">


<h5><a name=Log_Frequency></a>Log. Frequency </h5>

<p>In a <span style="font-style: italic;"><I>Log. Frequency </I></span>sweep the 
 stimulus frequency is swept on a logarithmic scale over the continuous 
 frequency range. The frequency range (sweep range) is defined with the 
 <a href="../Stimulus/Channel_Stimulus.htm" id="a4" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a4');
//--></script> 
 settings. The sweep points are calculated from the Span and the specified 
 <a href="Number_of_Points.htm"
	id=a5
	style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Number 
 of Points</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a5');
//--></script> 
 (n &gt; 1) with the condition that the step width is constant on the logarithmic 
 scale. The internal generator power can be set, if so desired, in the 
 <a href="../Power_Bandwidth_Average/Power_Bandwidth_Average.htm#Power" id="a9" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Power 
 Bandwidth Average</a><script type="text/javascript"
													language=JavaScript1.2><!--
kadovInitEffects('a9');
//--></script> 
 submenu. &nbsp;&nbsp;&nbsp;</p>

<p><span style="font-style: italic;"><I>Log Frequency</I></span> sweeps are suitable 
 for the analysis of a DUT over a large frequency range, e.g. over several 
 octaves. In a Cartesian diagram the measurement result is displayed as 
 a trace over a logarithmic frequency scale. The following example shows 
 a <span style="font-style: italic;"><I>Log. Frequency </I></span>sweep with a 
 stimulus range between 50 MHz and 6 GHz, the forward transmission parameter 
 S12 as measured quantity, and a <span style="font-style: italic;"><I><a href="../../Trace/Format/Trace_Format.htm#dB_Mag"
	id=a45
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">dB Mag</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a45');
//--></script></I></span> 
 scaled y-axis</p>

<p class=Figure><img src="Log_Frequency.gif" width="504px" height="219px" border="0" class="img_whs13"></p>

<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> &nbsp;<a 
 href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#Log. Frequency"
	id=a13
	style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>Log. Frequency 
 </I></span>sweep</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a13');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="a48" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 LOGarithmic </a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a48');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a25" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Chn&gt;:]FUNCtion[:ON] &quot;XFRequency:...&quot;</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a25');
//--></script> 
 </td></tr>
</table>


<hr align="center" width="50%" class="whs3">


<h5><a name=Segmented_Frequency></a>Segmented Frequency </h5>

<p>In a <span style="font-style: italic;"><I>Segmented Frequency </I></span>sweep 
 the sweep range can be composed of several continuous, non-overlapping 
 frequency sub-ranges or single frequency points. The sub-ranges are termed 
 sweep segments and defined in the <a href="Define_Segments.htm"
										id=a11
										style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Segments</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a11');
//--></script> 
 dialog. The segment list must contain at least 2 distinct frequency points 
 before a <span style="font-style: italic;"><I>Segmented Frequency </I></span>sweep 
 can be started.</p>

<p>Instrument settings such as the internal generator power, the measurement 
 (IF) bandwidth, the selectivity of the measurement filter, the frequency 
 band of the local oscillator, and the measurement time can be set independently 
 for the individual segments. </p>

<p>Due to this flexibility <span style="font-style: italic;"><I>Segmented 
 Frequency</I></span> sweeps are suitable for any detailed analysis of a DUT 
 at specified frequencies. In a Cartesian diagram the measurement result 
 is displayed as a trace over a linear frequency scale ranging from the 
 lowest to the highest frequency point of all segments. The following example 
 shows a <span style="font-style: italic;"><I>Segmented Frequency</I></span> sweep<span 
 style="font-style: italic;"> <I></I></span>with 3 segments in the stimulus range 
 between 50 MHz and 6 GHz, the forward transmission parameter S12 as measured 
 quantity, and a <span style="font-style: italic;"><I><a href="../../Trace/Format/Trace_Format.htm#dB_Mag"
														id=a16
														style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">dB 
 Mag</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a16');
//--></script></I></span> 
 scaled y-axis. In the frequency ranges between the sweep segments the 
 trace is displayed as a straight line. </p>

<p class=Figure><img src="Segmented_Frequency.gif" width="504px" height="218px" border="0" class="img_whs14"></p>

<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> &nbsp;<a href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#Segmented Frequency" id="a14" style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>Segmented Frequency 
 </I></span>sweep</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a14');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a HREF="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="A49" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 SEGMent</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('A49');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a31" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Chn&gt;:]FUNCtion[:ON] &quot;XFRequency:...&quot;</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a31');
//--></script> 
 </td></tr>
</table>


<hr align="center" width="50%" class="whs3">


<h5><a name=Power></a>Power </h5>

<p>In a <span style="font-style: italic;"><I>Power </I></span>sweep the internal 
 generator power is swept in linear, equidistant steps over a continuous 
 power range. The generator power range (sweep range) is defined via <span 
 style="font-style: italic;"><I>Channel - Stimulus - Start </I></span>and <span 
 style="font-style: italic;"><I>Channel - Stimulus - Stop</I></span>; see <a href="../Stimulus/Channel_Stimulus.htm#Stimulus_and_Sweep_Types" id="a15" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus 
 and Sweep Types</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('a15');
//--></script>. 
 The numeric entry bar for the fixed frequency <span style="font-style: italic;"><I>(CW 
 Frequency)</I></span> appears as soon as <span style="font-style: italic;"><I>Power 
 </I></span>is activated. </p>

<p class=Figure><img src="../Stimulus/CW_Frequency.gif" width="388px" height="23px" border="0" class="img_whs15"></p>

<p><span style="font-style: italic;"><I>Power</I></span> sweeps are particularly 
 suitable for the analysis of non-linear effects (saturation, compression) 
 on active and passive DUTs (e.g. power amplifiers, mixers). </p>

<p>In a Cartesian diagram the measurement result is displayed as a trace 
 over a dB-linear power scale. The following example shows a <span style="font-style: italic;"><I>Power</I></span><span 
 style="color: #ff0000;"> <font color=red ></font></span>sweep with a linear DUT: </p>

<p class=Figure><img src="Power_Sweep.gif" width="502px" height="217px" border="0" class="img_whs16"></p>

<p class=Dropdownline><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs17"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a17" style="font-style: normal; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Generator 
 power</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a17');
//--></script></p>

<div class="droptext" id="POPUP170192050" style="display: 'none'; " x-ss-type="dropdown">
 <p class=Dropdowntext>The power range defined for a power sweep replaces 
 the internal generator power setting in the <a href="../Power_Bandwidth_Average/Power_Bandwidth_Average.htm#Power" id="a46" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Power 
 Bandwidth Average</a><span 
 style="font-style: italic;"><I></I></span>submenu. </p>
 <p class=Dropdowntext>The power corresponds to the actual output power 
 at the test port that supplies the stimulus for the active channel or 
 at the calibrated reference plane. Any generator power calibration or 
 attenuation of the active generator step attenuators is taken into account.<span 
 style="color: #ff0000;"><font color=red ></font></span>The wide range of power stimulus values 
 leaves enough flexibility to include an attenuation or gain in the test 
 setup.<span style="color: #ff0000;"><font color=red ></font></span></p>
</div>
<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> &nbsp;<a href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#Power" id="a18" style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>Power </I></span>sweep</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a18');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="a50" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 POWer <br>
SEGMent</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a50');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a32" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Chn&gt;:]FUNCtion[:ON] 
 &quot;XPOWer:...&quot;</a><script type="text/javascript"
														language=JavaScript1.2><!--
kadovInitEffects('a32');
//--></script> 
 <a HREF="../../../SCPI_Reference/SOURce/SOURce_Ch.htm#CW" id="A55" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
SOURce&lt;Ch&gt;:FREQuency&lt;Pt&gt;:CW|FIXed</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A55');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs3">


<h5><a name=CW_Time></a>Time </h5>

<p><span style="font-style: italic;"><I>Time </I></span>sweeps are performed at 
 constant frequency and stimulus power. The measurement is repeated over 
 a specified period of time at constant time intervals. The total sweep 
 time is defined via <span style="font-style: italic;"><I>Channel - Stimulus 
 - Stop;</I></span> see <a href="../Stimulus/Channel_Stimulus.htm#Stimulus_and_Sweep_Types" id="a12" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus 
 and Sweep Types</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('a12');
//--></script>. 
 The time intervals between two consecutive measurements are calculated 
 according to &lt;Stop&gt;/(n - 1) where n is the selected <span style="font-style: italic;"><I><a 
 href="Number_of_Points.htm"
	id=a20
	style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Number 
 of Points</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a20');
//--></script>.</I></span> 
 The frequency <span style="font-style: italic;"><I>(CW Frequency)</I></span> 
 and internal generator power <span style="font-style: italic;"><I>(Source 
 Power) </I></span>is fixed<span style="font-style: italic;"> <I></I></span>and entered 
 into a field which pops up as soon as <span style="font-style: italic;"><I>Time 
 </I></span>is activated: </p>

<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="Time_Sweep.gif" width="230px" height="159px" border="0" class="img_whs18"></p>

<ul type="disc" class="whs2">
	
	</ul>

<p>A<span style="font-style: italic;"><I> Time </I></span>sweep corresponds to 
 the analysis of a signal over the time; the function of the analyzer is 
 analogous to an oscilloscope.<span style="font-style: italic;"> <I></I></span>In 
 a Cartesian diagram the measurement result is displayed as a trace over 
 a linear time scale (oscillographic representation). The following example 
 shows a <span style="font-style: italic;"><I>Time </I></span>sweep with a DUT 
 that does not change its characteristics in time: </p>

<p class=Figure><img src="CW_Time_Sweep.gif" width="502px" height="219px" border="0" class="img_whs19"></p>

<p class=Dropdownline><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs17"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a19" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><span 
 class=dropspot
	style="font-style: normal;">Sweep time</span></a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a19');
//--></script></p>

<div class="droptext" id="POPUP168255606" style="display: 'none'; " x-ss-type="dropdown">
 <p class=Dropdowntext>The minimum sweep time depends on the number of measurement 
 points, the measurement bandwidth, the delay time before each partial 
 measurement and the number of partial measurements required for each measurement 
 point. The analyzer estimates this time, taking into account the current 
 measurement settings.</p>
 <p class=Dropdowntext>If the total sweep time entered via <span style="font-style: italic;"><I>Channel 
 - Stimulus - Stop</I></span> is smaller than the estimated minimum sweep time, 
 the analyzer opens a dialog to adjust (increase) the stop time.</p>
</div>
<p><span class=dropspot><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs20"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a53" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trigger 
 settings</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a53');
//--></script></span></p>

<div class="droptext" id="POPUP169955188" style="display: 'none'; " x-ss-type="dropdown">
 <p>T<span class=dropspot>he </span><span class=dropspot
										style="font-style: italic;"><I>Time 
 </I></span><span class=dropspot>sweep is incompatible with the </span><span 
 class=dropspot
	style="font-style: italic;"><I><a HREF="Trigger.htm#Periodic_Trigger"
									id=a52
									style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Periodic 
 Trigger</a></I></span><span 
 class=dropspot>: If </span><span class=dropspot
									style="font-style: italic;"><I>Periodic... 
 </I></span><span class=dropspot>is selected while a time sweep is active, 
 the analyzer generates an error message:</span><span class=dropspot
														style="font-style: italic;"><I></I></span></p>
 <p class=Figure><span class=dropspot><img src="Timer_Conflict.jpg" width="356px" height="119px" border="0" class="img_whs21"></span></p>
 <p><span class=dropspot>To continue, click </span><span class=dropspot
														style="font-style: italic;"><I>OK 
 </I></span><span class=dropspot>and select any other trigger source. </span></p>
</div>
<p class=Linkline><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs20">In <span style="font-style: italic;"><I>Time 
 </I></span>sweep mode the <span style="font-style: italic;"><I>Start, Center 
 </I></span>and <span style="font-style: italic;"><I>Stop </I></span>softkeys are 
 inactive, still you can use the <span style="font-style: italic;"><I>START 
 CENTER </I></span>hardkey to select the fixed CW frequency. </p>

<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> &nbsp;<a href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#Time" id="a22" style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>Time </I></span>sweep</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a22');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="a51" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 CW</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a51');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a34" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Chn&gt;:]FUNCtion[:ON] &quot;XTIMe:...&quot;</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a34');
//--></script> 
 <a href="../../../SCPI_Reference/SOURce/SOURce_Ch.htm#CW" id="a56" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
SOURce&lt;Ch&gt;:FREQuency&lt;Pt&gt;:CW|FIXed</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a56');
//--></script><a 
 href="../../../SCPI_Reference/SOURce/SOURce_Ch__POWer__LEVel_.htm#POWer_LEVel"
	id=a23
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
SOURce&lt;Ch&gt;:POWer[:LEVel][:IMMediate][:AMPlitude]</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
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//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs3">


<h5><a name=CW_Trigger_Events></a>CW Mode </h5>

<p><span style="font-style: italic;"><I>CW Mode </I></span>sweeps, like <span 
 style="font-style: italic;"><I>Time </I></span>sweeps, are performed at constant 
 frequency and stimulus power. The measurement is triggered according to 
 the current trigger settings; each trigger event triggers the first partial 
 measurement of a measurement point. The total number of measurement points 
 is defined via <span style="font-style: italic;"><I>Channel - Stimulus - 
 Stop</I></span>; see <a href="../Stimulus/Channel_Stimulus.htm#Stimulus_and_Sweep_Types" id="a42" style="font-style: italic; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus 
 and Sweep Types</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('a42');
//--></script>. 
 The time interval between two consecutive measurements depends on the 
 trigger settings<span style="font-style: italic;"><I>. </I></span>Any trigger 
 mode is allowed. </p>

<p>The frequency <span style="font-style: italic;"><I>(CW)</I></span> and internal 
 generator power <span style="font-style: italic;"><I>(Source Power) </I></span>is 
 fixed<span style="font-style: italic;"> <I></I></span>and entered into a field 
 which pops up as soon as <span style="font-style: italic;"><I>CW Mode </I></span>is 
 activated. </p>

<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="CW_Mode.jpg" width="234px" height="143px" border="0" class="img_whs22"></p>

<p>A<span style="font-style: italic;"><I> CW Mode </I></span>sweep corresponds 
 to the analysis of a signal over the time with a time scale and resolution 
 that is determined by the trigger events.<span style="font-style: italic;"> 
 <I></I></span>In a Cartesian diagram the measurement result is displayed as a 
 trace over a linear time scale (oscillographic representation). The diagram 
 is analogous to the <span style="font-style: italic;"><I><a href="Sweep_Type.htm#CW_Time"
															id=A54
															style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Time</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A54');
//--></script></I></span> 
 diagram. The following example shows a <span style="font-style: italic;"><I>CW 
 Mode </I></span>sweep with a DUT that does not change its characteristics 
 in time: </p>

<p class=Figure><img src="CW_Trigger_Event.gif" width="499px" height="219px" border="0" class="img_whs23"></p>

<p class=Dropdownline><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs17"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a38" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><span 
 class=dropspot
	style="font-style: normal;">Sweep time</span></a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a38');
//--></script></p>

<div class="droptext" id="POPUP172082862" style="display: 'none'; " x-ss-type="dropdown">
 <p class=Dropdowntext>The time delay between two consecutive trigger pulses 
 must not be smaller than the minimum measurement time for one measurement 
 point described for <a href="#CW_Time"
						id=a59
						style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Time</a> 
 sweeps.</p>
</div>
<p class=Linkline><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs20">In <span style="font-style: italic;"><I>CW 
 Mode </I></span>sweep mode the <span style="font-style: italic;"><I>Start, Center 
 </I></span>and <span style="font-style: italic;"><I>Stop </I></span>softkeys are 
 inactive, still you can use the <span style="font-style: italic;"><I>START 
 CENTER </I></span>hardkey to select the fixed CW frequency. </p>

<p class=Linkline
	style="x-condition: OLH;"><img src="../../../small_images/helpwoval3.gif" x-maintain-ratio="TRUE" width="42px" height="18px" border="0" class="img_whs6"> &nbsp;<a href="../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm#CW Mode" id="a26" style="x-condition: OLH; position: relative;">Setting 
 up a <span style="font-style: italic; x-condition: OLH;"><I>CW Mode </I></span>sweep</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a26');
//--></script></p>

<table x-use-null-cells class="whs7">

<tr valign="top" class="whs8">
<td colspan="1" rowspan="1" width="24%" class="whs9">
<p class="whs10">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs11">
<p class="whs12"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TYPE" id="a57" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:TPYE 
 POINt</a><script type="text/javascript"
										language=JavaScript1.2><!--
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//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_FUNCtion.htm#FUNCtion" id="a37" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Chn&gt;:]FUNCtion[:ON] &quot;XTIMe:...&quot;</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a37');
//--></script> 
 <a href="../../../SCPI_Reference/SOURce/SOURce_Ch.htm#CW" id="a58" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
SOURce&lt;Ch&gt;:FREQuency&lt;Pt&gt;:CW|FIXed</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a58');
//--></script><a 
 href="../../../SCPI_Reference/SOURce/SOURce_Ch__POWer__LEVel_.htm#POWer_LEVel"
	id=a60
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
SOURce&lt;Ch&gt;:POWer[:LEVel][:IMMediate][:AMPlitude]</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a60');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs3">


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	style="x-condition: OLH;"><a title="Back to top" href="Sweep_Type.htm" id="a43" style="x-condition: OLH; position: relative;" onmouseover="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_showtip(this,event,'Back to top');" onmouseout="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_hidetip();"><img src="../../../small_images/baby_up.gif" x-maintain-ratio="TRUE" width="20px" height="23px" border="0" class="img_whs24"></a><script type="text/javascript"
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