User Contributed                                           MET/CAL PROCEDURE
=============================================================================
INSTRUMENT:            HEA 4934A/4935A DISTORTION CALIBRATION
DATE:                  20-Jul-93
AUTHOR:                User Contributed
REVISION:              1  F. Samonski 18-May-93  Added 4934A
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       5
NUMBER OF LINES:       71
CONFIGURATION:         HP 8903B
=============================================================================
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-   R     N              P J S         M              F        W
  1.002  ASK+                                          X
  1.003  HEAD         [27][91]1m {DISTORTION CALIBRATION}
  1.004  DISP
  1.004  DISP         The HEA 8903A Distortion Analyzer must be connected
  1.004  DISP         to the Port 0 and be at address 28 for these tests.
  1.005  DISP
  1.005  DISP         Remove all Connections from the UUT.
  1.005  DISP
  1.006  DISP         Set UUT controls as follows:
  1.006  DISP
  1.006  DISP         REV                                    OFF
  1.006  DISP         DISPLAY                                TRMT
  1.006  DISP         SETUP TRMT 600 ohm                     ON
  1.006  DISP         MEASUREMENT MODE                       LEVEL FREQUENCY
  1.006  DISP         FREQUENCY READOUT                      100 Hz
  1.006  DISP         OUTPUT LEVEL                           0 dBm
  1.007  DISP
  1.007  DISP         Connect the UUT TRMT/RCV phone jack to the 8903B
  1.007  DISP         HIGH INPUT, terminated with 600 ohms. Set the 8903B
  1.007  DISP         input switch to FLOAT.
  1.007  DISP
  1.008  IEEE         [@8903][TERM LF]
  1.009  IEEE         [@8903]41.0SP
  1.010  IEEE         [@8903]M3LG
  1.011  IEEE         [@8903]T3T3RR[I]
  1.012  MEME
  1.013  MEME         -55
  1.014  MEME
  1.015  MEMC   -55   -55DB          +100U -0U     DIST
  2.001  DISP
  2.001  DISP         Set the UUT FREQUENCY for A 100KHZ output.
  2.002  IEEE         [@8903]T3T3RR[I]
  2.003  MEME
  2.004  MEME         -50
  2.005  MEME
  2.006  MEMC   -50   -50DB          +100U -0U     DIST
  3.001  DISP
  3.001  DISP         Set the UUT FREQUENCY for A 4KHZ output.
  3.002  IEEE         [@8903]T3T3RR[I]
  3.003  MEME
  3.004  MEME         -55
  3.005  MEME
  3.006  MEMC   -55   -55DB          +100U -0U     DIST
  4.001  DISP
  4.001  DISP         Connect the UUT output through a 600 ohm load to the
  4.001  DISP         input of a 4KHz low pass filter. (KROHN-HITE 3202)
  4.001  DISP
  4.001  DISP         Connect the output of the filter to the 8903B HIGH input
  4.001  DISP         THROUGH ANOTHER 600 ohm load.
  4.002  DISP
  4.002  DISP         Set the UUT FREQUENCY for A 1004HZ output.
  4.003  IEEE         [@8903]T3T3RR[I]
  4.004  MEME
  4.005  MEME         -65
  4.006  MEME
  4.007  MEMC   -65   -65DB          +100U -0U     DIST
  5.001  DISP         CALIBRATION COMPLETE
  5.002  END