User Contributed                                           MET/CAL PROCEDURE
=============================================================================
INSTRUMENT:            PM3375 Sub3
DATE:                  07-Apr-97
AUTHOR:                User Contributed
REVISION:
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       12
NUMBER OF LINES:       228
CONFIGURATION:         HP 3325A
=============================================================================
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  IEEE         [SRQ OFF]
  1.002  ASK-                        P                            F
  1.003  ASK+                                          X
  1.004  PIC          55sc_ac (3,15,R/W) "Connect the 3325A SIGNAL to the "
  1.004  PIC          (4,15,R/W) "UUT A input using a 50ź feedthrough"
  1.004  PIC          (5,15,R/W) "termination."
  1.004  PIC          (6,15,R/W)
  1.004  PIC          (7,15,R/W)
  1.004  PIC          (8,15,R/W)
  1.004  PIC          (9,15,R/W)
  1.004  PIC          (10,15,R/W)
  1.004  PIC          (11,15,R/W)
  1.004  PIC          (12,15,R/W)
  1.004  PIC          (13,15,R/W)
  1.004  PIC          (14,15,R/W)
  1.004  PIC          (15,15,R/W)
  1.004  PIC          (16,15,R/W)
  1.004  PIC          (17,15,R/W) "Connect a 10X scope probe to the UUT B "
  1.004  PIC          (18,15,R/W) "input. Connect probe end to UUT CAL.C"
#30.003  5500         1Vpp                         20kH           SI SC S
  1.005  IEEE         [@3325] FU 1; AM 1 VO; FR 20 KH
  1.006  RSLT         =Is a triggered square wave of 6 div. height displayed?
  1.007  IEEE         VER A,ATT 1E+00,VER B,ATT .1E+00,
  1.007  IEEE         FCN ON,HOR MTB,TRG TRI,TSO B,TIM .1E-03[10]
  1.008  MESS         NOTE: Ch.A will not be triggered.
  1.009  EVAL   Is the Ch B signal well triggered?
#31.001  5500         1Vpp                         20kH           SI SC S
  2.001  IEEE         TSO COM[10]
  2.002  MESS         Are {two well triggered signals displayed}?
  2.002  MESS
  2.002  MESS         NOTE: If necessary, adjust TRIG LEVEL for a triggered
  2.002  MESS         signal and Ch A Y POS to separate traces.
  2.003  EVAL
  3.001  MESS
  3.002  DISP         Disconnect the scope probe from the UUT.
  3.003  HEAD         {Horizontal deflection: freq response 1}
# 3.004  PIC          55sc_al
  3.004  RSLT         =Is the Horizontal line > 4.2 divisions?
#32.005  5500         30mVpp                       50kH           SI SC S  L
  3.005  IEEE         [@3325] FU 1; FR 50 KH;AM 30 MV
  3.005  IEEE         [@3325] [GTL]
  3.006  IEEE         SET AUT,VER A,POS LOCAL,VER B,POS LOCAL,MSC AUX,
  3.006  IEEE         XPOS LOCAL,VER A,ATT 5E-03,CPL DC,HOR EXD,FCN ON,
  3.006  IEEE         VER B,FCN ON,VER A,FCN OFF[10]
  3.007  DISP         Adjust 3325A for a horizontal line of 6 divisions.
  3.008  IEEE         [@3325] IAM[I]
  3.009  MEM*         1000
  3.010  ASK-         N
#32.009  5500   5     0.03Vpp                      50kH           LS SC N  L
  3.011  MESS
#32.011  5500         Vpp                          2MH            LS SC S  L
  3.012  IEEE         [@3325] FU 1; FR 2 MH;AM [MEM] MV
  3.013  EVAL   Is the Horizontal line > 4.2 divisions?
  4.001  DISP         Disconnect the test setup.
  4.002  ASK+         N
  4.003  HEAD         {Cursors: voltage cursor accuracy}
  4.004  DISP         Set the PG 506 front panel controls as follows:
  4.004  DISP         AMPLITUDE ................. 1 V
  4.004  DISP         function switch ........... STD AMPL
  4.004  DISP         AMPLITUDE VARIABLE ........ in
  4.005  PIC          55sc_a (3,9,R/W) "Connect the PG 506 STD OUTPUT"
  4.005  PIC          (4,9,R/W) "to the UUT "A" input."
#33.003  5500         1Vpp                         1kH            ZQ SC S  L
  4.006  IEEE         SET AUT,MSC AUX,XPOS LOCAL,MEM ON,
  4.006  IEEE         VER A,POS LOCAL,VAR LOCAL,ATT .2E+00,CPL DC,FCN ON,
  4.006  IEEE         VER B,POS LOCAL,VAR LOCAL,FCN OFF,
  4.006  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL,TRG TRI,TSO A,TIM .1E-03,
  4.006  IEEE         SPL CURSOR,FIRST 0500,SECOND 3500,PEAK ON,FCN ON[10]
  4.007  MESS         CENTER the trace.
  4.008  MESS
  4.009  EVAL   {Does the DELTA VOLTAGE measure between .93 and 1.03 volts?}
  5.001  MESS
  5.002  DISP         Disconnect the test setup.
  5.003  HEAD         {Cursors: time cursor accuracy}
  5.004  PIC          55sc_a (3,15,R/W) "Connect the TG 501 MARKER OUT "
  5.004  PIC          (4,15,R/W) "to the UUT A input."
  5.005  DISP         Set the TG 501 MARKER SELECTOR to 1ms.
#34.003  5500         1mT                                         MK SC S  L
  5.006  IEEE         SET AUT,MSC AUX,XPOS LOCAL,MEM ON,
  5.006  IEEE         VER A,POS LOCAL,VAR LOCAL,ATT .5E+00,CPL DC,FCN ON,
  5.006  IEEE         VER B,POS LOCAL,VAR LOCAL,FCN OFF,
  5.006  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL,TIM 1E-03,TSO A,TRG TRI,
  5.006  IEEE         SPL CURSOR,FIRST 0425,SECOND 3625,PERIOD ON,FCN ON[10]
  5.007  MESS         Position the Reference and Delta cursors so that they
  5.007  MESS         cover the Second and Tenth markers.
  5.007  MESS
  5.008  EVAL   {Does the DELTA TIME measure between 7.99 and 8.01 mSec?}
  6.001  MESS
  6.002  DISP         Disconnect the test setup.
  6.003  HEAD         {Frequency Response: Ch A (analog mode)}
  6.004  DISP         Set the SG 503 front panel controls as follows:
  6.004  DISP         FREQUENCY ................. REF÷ .05 MHz
  6.004  DISP         OUTPUT AMPLITUDE .......... adjust
  6.004  DISP         AMPLITUDE MULTIPLIER ...... X .1
  6.005  PIC          55sc_al (3,9,R/W) "Connect the SG 503 OUTPUT"
  6.005  PIC          (4,9,R/W) "to the UUT "A" input."
#35.003  5500         120mVpp                      50kH           LS SC S  L
  6.006  IEEE         SET AUT,MSC AUX,XPOS LOCAL,MEM OFF,
  6.006  IEEE         VER A,POS LOCAL,VAR LOCAL,ATT 20E-03,
  6.006  IEEE         VER B,POS LOCAL,VAR LOCAL,
  6.006  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL,TIM .1E-03[10]
#35.005  5500   20    120mVpp                      50kH           LS SC N  L
  6.007  DISP         Adjust the SG 503 an amplitude of 6 divisions.
  6.008  DISP         Set the SG 503 front panel controls as follows:
  6.008  DISP         FREQUENCY ................. 100 MHz
  6.008  DISP         VARIABLE .................. adjust
  6.009  DISP         Adjust the SG 503 VARIABLE for 4.2 divisions.
  6.010  MEMI         Use keyboard to enter SG 503 FREQUENCY reading in MHz:
  6.011  ACC          100.0MH        3.00%
  6.012  MEME
  6.013  MEMC         MH             +100% -0.1U
  7.001  MESS
  7.002  ASK+         N
  7.003  DISP         Set the SG 503 front panel controls as follows:
  7.003  DISP         FREQUENCY ................. REF÷ .05 MHz
  7.003  DISP         OUTPUT AMPLITUDE .......... adjust
  7.003  DISP         AMPLITUDE MULTIPLIER ...... X .01
  7.004  IEEE         VER A,ATT 2E-03[10]
  7.005  DISP         Adjust the SG 503 an amplitude of 6 divisions.
  7.006  DISP         Set the SG 503 front panel controls as follows:
  7.006  DISP         FREQUENCY ................. 75 MHz
  7.006  DISP         VARIABLE .................. adjust
  7.007  DISP         Adjust the SG 503 VARIABLE for 4.2 divisions.
  7.008  MEMI         Use keyboard to enter SG 503 FREQUENCY reading in MHz:
  7.009  ACC          75.0MH         3.00%
  7.010  MEME
  7.011  MEMC         MH             +100% -0.1U
#36.004  5500   2     12mVpp                       50kH           LS SC N  L
#36.007  5500         75MH           -100% +0.1U   mVpp           LS SC    L
  8.001  MESS
  8.002  ASK+         N
  8.003  HEAD         {Frequency Response: Ch A (digital mode)}
  8.004  DISP         Set the SG 503 front panel controls as follows:
  8.004  DISP         FREQUENCY ................. REF÷ .05 MHz
  8.004  DISP         OUTPUT AMPLITUDE .......... adjust
  8.004  DISP         AMPLITUDE MULTIPLIER ...... X .1
#37.004  5500         120mVpp                      50kH           LS SC S  L
  8.005  IEEE         SET AUT,MSC AUX,XPOS LOCAL,MEM ON,
  8.005  IEEE         VER A,POS LOCAL,VAR LOCAL,ATT 20E-03,
  8.005  IEEE         VER B,POS LOCAL,VAR LOCAL,
  8.005  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL,TIM 20E-06[10]
  8.006  DISP         Adjust the SG 503 an amplitude of 6 divisions.
  8.007  IEEE         VER A,ATT 20E-03,HOR MTB,TIM 20E-09[10]
  8.008  DISP         Set the SG 503 front panel controls as follows:
  8.008  DISP         FREQUENCY ................. 100 MHz
  8.008  DISP         VARIABLE .................. adjust
  8.009  DISP         Adjust the SG 503 VARIABLE for 4.2 divisions.
  8.010  MEMI         Use keyboard to enter SG 503 FREQUENCY reading in MHz:
  8.011  ACC          100.0MH        3.00%
  8.012  MEME
  8.013  MEMC         MH             +100% -0.1U
#37.010  5500         100MH          -100% +0.1U   mVpp           LS SC    L
  9.001  MESS
  9.002  ASK+         N
  9.003  IEEE         VER A,ATT 2E-03,HOR MTB,TIM 20E-06[10]
  9.004  DISP         Set the SG 503 front panel controls as follows:
  9.004  DISP         FREQUENCY ................. REF÷ .05 MHz
  9.004  DISP         OUTPUT AMPLITUDE .......... adjust
  9.004  DISP         AMPLITUDE MULTIPLIER ...... X .01
  9.005  DISP         Adjust the SG 503 an amplitude of 6 divisions.
#38.004  5500   2     12mVpp                       50kH           LS SC N  L
  9.006  IEEE         VER A,ATT 2E-03,HOR MTB,TIM 20E-09[10]
  9.007  DISP         Set the SG 503 front panel controls as follows:
  9.007  DISP         FREQUENCY ................. 100 MHz
  9.007  DISP         VARIABLE .................. adjust
  9.008  DISP         Adjust the SG 503 VARIABLE for 4.2 divisions.
  9.009  MEMI         Use keyboard to enter SG 503 FREQUENCY reading in MHz:
  9.010  ACC          75.0MH         3.00%
  9.011  MEME
  9.012  MEMC         MH             +100% -0.1U
#38.008  5500         75MH           -100% +0.1U   mVpp           LS SC    L
 10.001  MESS
 10.002  ASK+         N
 10.003  HEAD         {Rise-time: Ch.A}
 10.004  DISP         Set the PG 506 front panel controls as follows:
 10.004  DISP         PERIOD .................... 1 ęs
 10.004  DISP         function switch ........... FAST RISE
# 4.004  DISP         AMPLITUDE VARIABLE ........ in
 10.005  PIC          55sc_a (3,9,R/W) "Connect the PG 506 FAST RISE"
 10.005  PIC          (4,9,R/W) "-1V to the UUT "A" input."
 10.006  RSLT         =Is the rise-time 3.5ns or less?
#39.005  5500         500mVpp                      1MH            ED SC S  L
 10.007  IEEE         SET AUT,MSC AUX,XPOS LOCAL,MEM OFF,
 10.007  IEEE         VER A,POS LOCAL,VAR LOCAL,ATT .1E+00,FCN ON,
 10.007  IEEE         VER B,POS LOCAL,VAR LOCAL,FCN OFF,
 10.007  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL[10]
 10.008  DISP         Adjust the Ch A Y POS control so that the
 10.008  DISP         trace is centered vertically on the screen.
 10.008  DISP
 10.008  DISP         Adjust the X POS control so that the trace starts in the
 10.008  DISP         horizontal center of the screen.
 10.009  DISP         Adjust the PG 506 PULSE AMPLITUDE control for a UUT
 10.009  DISP         pulse display leading from 0% to 100%.
 10.010  IEEE         HOR MTB,VAR LOCAL,LEV LOCAL,TIM 50E-09,CPL DC,MGN ON[10]
#39.009  5500         500mVpp                      1MH            ED SC S  L
 10.011  MESS         Adjust the X POS control so that the trace crosses the
 10.011  MESS         intersection of the center vertical graticule line and
 10.011  MESS         3rd horizontal graticule line (10% point).
 10.011  MESS         Calculate the rise-time by counting the number of
 10.011  MESS         horizontal divisions between where the trace crosses the
 10.011  MESS         3rd horizontal graticule line (10% point) and the
 10.011  MESS         7th horizontal graticule line (90% point).
 10.011  MESS
 10.012  EVAL   Is the rise-time 3.5ns or less? (approx. 0.7 div. or less)?
 11.001  MESS
 11.002  HEAD         {Vertical deflection: visual signal delay}
 11.003  RSLT         =Is the visual signal delay > 13ns (>2.6 div)?
#40.004  5500         500mVpp                      1MH            ED SC S  L
 11.004  MESS         Center the rising edge with X POS control.
 11.004  MESS         Set the INTENS control fully CW.
 11.004  MESS
 11.004  MESS         Adjust the TRIG LEVEL control for maximum visual signal
 11.004  MESS         delay. (Trace must remain triggered)
 11.004  MESS
 11.005  EVAL   Is the visual signal delay greater than 13ns (>2.6 div)?
 12.001  MESS