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<h4>Number of Points &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,'','Setting up a Sweep','../../../Measurement_Examples/Basic_Tasks/Setting_up_a_Sweep.htm','Stimulus and Sweep Types','../Stimulus/Channel_Stimulus.htm#Stimulus_and_Sweep_Types');return false;" title="Related Topics"><img src="../../../ss_btn_related_topics1.gif" border=0 height=17 width=82 alt="Related Topics"></a>


 </h4>

<p>Sets the total number of measurement points per sweep. The minimum number 
 of points is 2. </p>

<p class=Figure><img src="Number_of_Points.gif" width="391px" height="23px" border="0" class="img_whs1"></p>

<p>Together with the sweep range defined with the <span style="font-style: italic;"><I><a href="../Stimulus/Channel_Stimulus.htm" id="a7" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a7');
//--></script></I></span> 
 settings, this parameter defines the grid of sweep points. The sweep points 
 are equidistantly distributed over the entire sweep range: The step width 
 between two consecutive sweep points is constant on a linear scale (<a 
 href="Sweep_Type.htm"
	id=a8
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">sweep 
 types</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a8');
//--></script> 
 <span style="font-style: italic;"><I>Lin. Frequency,</I></span> <span style="font-style: italic;"><I>Time</I></span> 
 and<span style="font-style: italic;"><I> CW Mode)</I></span> or on a logarithmic 
 scale (sweep types <span style="font-style: italic;"><I>Log. Frequency </I></span>and 
 <span style="font-style: italic;"><I>Power)</I></span>. </p>

<p>In <span style="font-style: italic;"><I>Segmented Frequency </I></span>sweeps, 
 the number of points can be set independently for each segment; see <span 
 style="font-style: italic;"><I><a href="Define_Segments.htm"
								id=a2
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Segments</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a2');
//--></script></I></span>. 
 </p>

<p>As an alternative to the <span style="font-style: italic;"><I>Number of 
 Points, </I></span>the <span style="font-style: italic;"><I><a href="Number_of_Points.htm#Stimulus_Step_Size"
														id=A12
														style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Stimulus 
 Step Size</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('A12');
//--></script></I></span> 
 can be set. </p>

<p><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs2"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a9" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><span 
 class=dropspot
	style="font-style: normal;">Measurement time and screen resolution</span></a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a9');
//--></script></p>

<div class="droptext" id="POPUP80565088" style="display: 'none'; " x-ss-type="dropdown">
 <p>A large number of points improves the resolution of the trace but increases 
 the measurement time. </p>
 <p>The overall measurement time is composed of a hardware settling time 
 at the beginning of the sweep plus the sum of the measurement times at 
 each individual sweep point. This implies that the measurement time increases 
 roughly linearly with the number of points. &nbsp;</p>
</div>
<p class=Note><span style="font-style: italic;"><I><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs2"> </I></span>After 
 changing the channel settings or selecting another measured quantity, 
 the analyzer needs some time to initialize the new sweep. This preparation 
 period increases with the number of points and the number of partial measurements 
 involved. It is visualized by a <span style="font-style: italic;"><I>Preparing 
 Sweep</I></span> symbol in the <a href="../../../System_Overview/Screen_Elements/Navigation_Tools.htm#Status_Bar"
								id=a6
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">status 
 bar</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a6');
//--></script>:<span 
 style="font-style: italic;"> <I></I></span><br>
<img src="../../../System_Overview/Analyzer_Model/Preparing_Sweep.gif" width="93px" height="17px" border="0" class="img_whs3"><br>
All analyzer settings can still be changed during sweep initialization. 
 If necessary, the analyzer terminates the current initialization and starts 
 a new preparation period. </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_whs4"> &nbsp;<a HREF="../../../Measurement_Examples/Optimization/Optimizing_the_Measurement_Speed.htm#Sweep_points" id="A3" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Optimizing 
 the measurement speed</a><script type="text/javascript"
														language=JavaScript1.2><!--
kadovInitEffects('A3');
//--></script></p>

<table x-use-null-cells class="whs5">

<tr valign="top" class="whs6">
<td colspan="1" rowspan="1" width="24%" class="whs7">
<p class="whs8">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs9">
<p class="whs10"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#Points" id="a16" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:POINts</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a16');
//--></script> 
 </td></tr>
</table>


<hr align="center" width="50%" class="whs11">


<h4><a name=Stimulus_Step_Size></a>Frequency Step Size</h4>

<p>Sets the distance between two consecutive frequency sweep points. </p>

<p class=Figure><img src="../../Trace/Trace_Funct/Stimulus_Step_Size.gif" width="382px" height="23px" border="0" class="img_whs12"></p>

<p>The step size is an alternative to the <span style="font-style: italic;"><I>Number 
 of Points </I></span>setting: </p>

<ul type="disc" class="whs13">
	
	<li class=kadov-p-CList><p class=List>If the sweep range is defined 
 by means of the <span style="font-style: italic;"><I>Start </I></span>and <span 
 style="font-style: italic;"><I>Stop </I></span>variables, both the <span style="font-style: italic;"><I>Stop 
 </I></span>value and the <span style="font-style: italic;"><I>Number of Points</I></span> 
 can vary as the <span style="font-style: italic;"><I>Stimulus Step Size </I></span>is 
 changed. The <span style="font-style: italic;"><I>Stop </I></span>value is changed 
 as little as possible so that the condition <span style="font-style: italic;"><I>Stimulus 
 Step Size = (Stop &#8211; 
 Start) / (Number of Points &#8211; 
 1) </I></span>can be fulfilled<span style="font-style: italic;"><I>.</I></span> Changing 
 the <span style="font-style: italic;"><I>Start and Stop </I></span><span>values</span><span 
 style="font-style: italic;"> <I></I></span>modifies the <span style="font-style: italic;"><I>Stimulus 
 Step Size.</I></span> </p></li>
	
	<li class=kadov-p-CList><p class=List>If the sweep range is defined 
 by means of the <span style="font-style: italic;"><I>Center </I></span>and <span 
 style="font-style: italic;"><I>Span </I></span>variables, both the <span style="font-style: italic;"><I>Span 
 </I></span>value and the <span style="font-style: italic;"><I>Number of Points</I></span> 
 can vary as the <span style="font-style: italic;"><I>Stimulus Step Size </I></span>is 
 changed. The <span style="font-style: italic;"><I>Span</I></span> is reduced 
 as little as possible so that the condition <span style="font-style: italic;"><I>Stimulus 
 Step Size = (Stop &#8211; 
 Start) / (Number of Points &#8211; 
 1) </I></span>can be fulfilled<span style="font-style: italic;"><I>.</I></span> Changing 
 the <span style="font-style: italic;"><I>Span </I></span>modifies the <span style="font-style: italic;"><I>Stimulus 
 Step Size.</I></span> </p></li>
</ul>

<p class=Note><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs2"> This setting is valid for linear frequency 
 sweeps only. It does not apply to logarithmic and segmented sweeps, power, 
 time or CW Mode sweeps. Increasing the <span style="font-style: italic;"><I>Frequency 
 Step Size </I></span><span>generally increases the measurement time.</span> 
 </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_whs4"> &nbsp;<a 
 href="../../../Measurement_Examples/Optimization/Optimizing_the_Measurement_Speed.htm#Sweep_points"
	id=a10
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Optimizing 
 the measurement speed</a><script type="text/javascript"
														language=JavaScript1.2><!--
kadovInitEffects('a10');
//--></script></p>

<table x-use-null-cells class="whs5">

<tr valign="top" class="whs6">
<td colspan="1" rowspan="1" width="24%" class="whs7">
<p class="whs8">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs9">
<p class="whs10"><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#STEP" id="a15" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[SENSe&lt;Ch&gt;:]SWEep:STEP</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a15');
//--></script> 
 </td></tr>
</table>


<hr align="center" width="50%" class="whs11">


<h4><a name=Sweep_Time></a>Sweep Time</h4>

<p>Opens a dialog to vary the measurement time for a sweep or delay the 
 start of each sweep. </p>

<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="Sweep_Time.jpg" width="265px" height="133px" border="0" class="img_whs14"></p>

<ul>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I>Auto</I></span> 
 minimizes the sweep time. If this option is checked, the input fields 
 <span style="font-style: italic;"><I>Sweep Time </I></span>and <span style="font-style: italic;"><I>Meas. 
 Delay</I></span> can not be edited. <span style="font-style: italic;"><I>Sweep 
 Time </I></span>indicates the estimated sweep time, taking into account the 
 current measurement settings, the <span style="font-style: italic;"><I>Meas. 
 Delay</I></span> is 0 s. The <span style="font-style: italic;"><I>Sweep Time 
 </I></span>and<span style="font-style: italic;"><I> Meas. Delay </I></span>values 
 are maintained until changed explicitly if <span style="font-style: italic;"><I>Auto 
 </I></span>is switched off.</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I>Sweep 
 Time </I></span>is the total measurement time for the sweep. The minimum sweep 
 time to be set is equal to the estimated value in the <span style="font-style: italic;"><I>Auto 
 </I></span>mode. Setting a larger sweep time is equivalent to defining a <span 
 style="font-style: italic;"><I>Meas. Delay </I></span><span>before each partial 
 measurement</span>. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I>Meas. 
 Delay </I></span>sets a delay time allowing the DUT to settle before the hardware 
 settings of the analyzer are changed and a new <A href="javascript:void(0);" onclick="BSSCPopup('Number_of_Points_text0.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >partial 
 measurement</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a4');
//--></script> 
 is started. </p></li>
</ul>

<p class=Dropdownline><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs2"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a11" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><span 
 class=dropspot
	style="font-style: normal;">Meas. Delay</span></a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a11');
//--></script></p>

<div class="droptext" id="POPUP162673549" style="display: 'none'; " x-ss-type="dropdown">
 <p class=Dropdowntext>A delay time before the start of each partial measurement 
 increases the accuracy, in particular in measurements on DUTs with long 
 settling times (e.g. quartzes, SAW filters). As an alternative to increasing 
 the delay (and thus the total sweep time), it is possible to select <span 
 style="font-style: italic;"><I><a href="../Mode/Alternate.htm"
								id=a17
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Alternate</a></I></span> 
 sweep. </p>
</div>
<p>The <span style="font-style: italic;"><I>Auto </I></span>and <span style="font-style: italic;"><I>Sweep 
 Time </I></span>settings are not active in the <span style="font-style: italic;"><I>Time 
 </I></span>and <span style="font-style: italic;"><I>CW Mode </I></span>sweep types. 
 The <span style="font-style: italic;"><I>Meas. Delay </I></span>is taken into 
 account for all sweep types. </p>

<p>In <span style="font-style: italic;"><I>Segmented Frequency </I></span>sweeps, 
 the sweep time parameters can be set independently for each segment; see 
 <span style="font-style: italic;"><I><a href="Define_Segments.htm"
										id=a1
										style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Segments</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a1');
//--></script></I></span>. 
 <span style="font-style: italic;"><I>Sweep Time</I></span> opens a message box 
 indicating to total sweep time, i.e. the sum of the individual sweep segment 
 times. </p>

<p class=Figure><img src="Sweep_Time_Segmented.jpg" width="261px" height="107px" border="0" class="img_whs15"></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_whs4"> &nbsp;<a href="../../../Measurement_Examples/Optimization/Optimizing_the_Measurement_Speed.htm#Meas_Sequence" id="a5" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Optimizing 
 the measurement speed</a><script type="text/javascript"
														language=JavaScript1.2><!--
kadovInitEffects('a5');
//--></script></p>

<table x-use-null-cells class="whs5">

<tr valign="top" class="whs6">
<td colspan="1" rowspan="1" width="24%" class="whs7">
<p class="whs8">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs9">
<p><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#TIME_Auto" id="a14" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">[<span 
 style="font-family: 'Courier New', monospace;">SENSe&lt;Ch&gt;:]SWEep:TIME:AUTO</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a14');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#Time" id="a20" style="font-family: 'Courier New', monospace; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Ch&gt;:]SWEep:TIME</a><script type="text/javascript"
															language=JavaScript1.2><!--
kadovInitEffects('a20');
//--></script><a href="../../../SCPI_Reference/SENSe/SENSe_Ch___SWEEP.htm#Dwell" id="a21" style="font-family: 'Courier New', monospace; /*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
[SENSe&lt;Ch&gt;:]SWEep:DWELl</a><script type="text/javascript"
															language=JavaScript1.2><!--
kadovInitEffects('a21');
//--></script></span></td></tr>
</table>


<hr align="center" width="50%" class="whs11">


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