User Contributed                                            MET/CAL Procedure
=============================================================================
INSTRUMENT:            SRS FS700:LORAN-C Frequency Standard
DATE:                  17-Jun-97
AUTHOR:                User Contributed 
REVISION:
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       20
NUMBER OF LINES:       167
CONFIGURATION:         HP 34401A
CONFIGURATION:         HP 3325A
CONFIGURATION:         HP 5335A
=============================================================================
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-                        P                            F
  1.002  ASK+                                          X
  1.003  IEEE         [@34401]*RST
  1.004  HEAD         ÍÍ INITIAL CONDITIONS ÍÍ
  1.005  DISP         Connect the 10 MHz OUT from HP 5335A counter
  1.005  DISP         (DTB# 45-33) to the EXT REF IN connector on the 3325A
  1.005  DISP         and to the TIME BASE IN connector on the 5335A in the
  1.005  DISP         MET/CAL system.
  1.006  DISP         Disconnect the UUT from the PORT 0 IEEE bus.
  1.007  DISP         Disconnect the connections from the UUT 10 MHz outputs.
  1.008  DISP         Connect the UUT to the PORT 1 IEEE bus.
  1.009  DISP         Adjust the 40-90 notch filters fully CCW, and the
  1.009  DISP         110-220 notch filters fully CW.
  1.010  IEEE         [GTL]
  1.011  HEAD         {}
  1.012  HEAD         {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»}
  1.013  HEAD         {º RF Bandwidth Test º}
  1.014  HEAD         {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ}
  1.015  HEAD         ÍÍ RF Bandwidth Test ÍÍ
  1.016  JMP          2.001
  1.017  EVAL
  2.001  DISP         Disconnect the antenna from the UUT.
  2.002  DISP         Connect the antenna termination to the UUT.
  2.003  DISP         Connect the SIGNAL output from the 3325A to the
  2.003  DISP         input of the antenna terminator.
  2.004  DISP         Connect the UUT LORAN OUTPUT to the HI/LO input on the
  2.004  DISP         HP 34401A.
  2.005  DISP         On the UUT press the BSP and TIME keys simultaneously.
  2.006  DISP         Use the UUT's numeric key pad enter 64 dB
  2.006  DISP         of attenuation.
  2.007  IEEE         [@34401]INIT[D2000]
  2.008  IEEE         [@34401]TRIG:SOUR IMM
  2.009  IEEE         [@34401]FUNC "VOLT:AC"[D500][GTL]
  2.010  ACC          .400           4.5%
  2.011  IEEE         [@3325] FU 1; AM .01 VO; FR 100 KH
  2.012  IEEE         [@34401]READ?[I]
  2.013  MEME
  2.014  MEMC         V              0.300U        loran_out
  3.001  IEEE         [@34401]CALC:FUNC NULL[GTL][D1000]
  3.002  IEEE         [@34401]CALC:STAT ON[GTL][D1000]
  3.003  IEEE         [@34401]CALC:FUNC DB[GTL][D1000]
  3.004  IEEE         [@34401]CALC:STAT ON[GTL][D1000]
  3.005  IEEE         [@3325] FU 1; AM .01 VO; FR 90 KH
  3.006  ACC          0.00D          0.400U
  3.007  IEEE         [@34401]READ?[I]
  3.008  MEME
  3.009  MEMC         D              2.0U          90kH
  4.001  IEEE         [@3325] FU 1; AM .01 VO; FR 110 KH
  4.002  ACC          0.00D          0.400U
  4.003  IEEE         [@34401]READ?[I]
  4.004  MEME
  4.005  MEMC         D              2.0U          110kH
  5.001  IEEE         [@3325] FU 1; AM .01 VO; FR 80 KH
  5.002  ACC          -3.50D         0.400U
  5.003  IEEE         [@34401]READ?[I]
  5.004  MEME
  5.005  MEMC         D              2.5U          80kH
  6.001  IEEE         [@3325] FU 1; AM .01 VO; FR 120 KH
  6.002  ACC          -3.50D         0.400U
  6.003  IEEE         [@34401]READ?[I]
  6.004  MEME
  6.005  MEMC         D              2.5U          120kH
  7.001  IEEE         [@3325] FU 1; AM .01 VO; FR 50 KH
  7.002  ACC          -25.00D        0.400U
  7.003  IEEE         [@34401]READ?[I]
  7.004  MEME
  7.005  MEMC         D              -25.0U +0.0U  50kH
  8.001  IEEE         [@3325] FU 1; AM .01 VO; FR 150 KH
  8.002  ACC          -25.00D        0.400U
  8.003  IEEE         [@34401]READ?[I]
  8.004  MEME
  8.005  MEMC         D              -25.0U +0.0U  150kH
  9.001  HEAD         {}
  9.002  HEAD         {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»}
  9.003  HEAD         {º 10 MHz Oscillator Check º}
  9.004  HEAD         {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ}
  9.005  HEAD         ÍÍ 10 MHz Oscillator Check ÍÍ
  9.006  JMP          10.001
  9.007  EVAL
 10.001  DISP         On the UUT press the BSP and FREQ buttons simutaneously.
 10.002  DISP         Using the numeric keypad set the oscillator DAC to 0.
 10.003  DISP         Connect the number 1, 10 MHz OUTPUT from the UUT to
 10.003  DISP         INPUT A on the MET/CAL system frequency counter.
 10.004  ACC          10.00000000MH  1e-8U
 10.005  IEEE         [@5335]IN;[D1000]
 10.006  IEEE         [@5335][TERM LF]
 10.007  IEEE         [@5335]FN1 AU1;[I]
 10.008  MEM/         1000000
 10.009  MEME
 10.010  MEMC         MH             5e-8U
 11.001  DISP         Using a 50 ohm feedthrough termination measure the
 11.001  DISP         pk-pk amplitude of all four 10 MHz outputs.  They should
 11.001  DISP         all be between 0.75 and 2.0 Vpk-pk.
 11.002  EVAL   Are all {four 10 MHz outputs between .75 and 2 Vpk-pk}?
 12.001  HEAD         {}
 12.002  HEAD         {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»}
 12.003  HEAD         {º Phase Meter Check º}
 12.004  HEAD         {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ}
 12.005  HEAD         ÍÍ Phase Meter Check ÍÍ
 12.006  JMP          13.001
 12.007  EVAL
 13.001  DISP         Connect the UUT front panel FREQUENCY OUTPUT to INPUT A
 13.001  DISP         on the MET/CAL system frequency counter.
 13.002  IEEE         FREQ 27
 13.003  ACC          10.000000MH    1e-8U
 13.004  IEEE         [@5335][I]
 13.005  MEM/         1000000
 13.006  MEME
 13.007  MEMC         MH             1e-5U
 14.001  IEEE         FREQ 26
 14.002  ACC          5.000000MH     1e-8U
 14.003  IEEE         [@5335][I]
 14.004  MEM/         1000000
 14.005  MEME
 14.006  MEMC         MH             1e-5U
 15.001  IEEE         FREQ 21
 15.002  ACC          100.00000kH    1e-8U
 15.003  IEEE         [@5335][I]
 15.004  MEM/         1000
 15.005  MEME
 15.006  MEMC         kH             1e-5U
 16.001  IEEE         FREQ 15
 16.002  ACC          1.00000kH      1e-8U
 16.003  IEEE         [@5335][I]
 16.004  MEM/         1000
 16.005  MEME
 16.006  MEMC         kH             1e-5U
 17.001  IEEE         FREQ 9
 17.002  ACC          10.00000H      1e-8U
 17.003  IEEE         [@5335][I]
 17.004  MEME
 17.005  MEMC         H              1e-5U
 18.001  IEEE         FREQ 21
 18.002  DISP         Connect the 3325A SIGNAL output to the UUT PHASE
 18.002  DISP         COMPARATOR OSC IN.
 18.003  IEEE         [@3325] FU 1; AM .5 VO; FR 100.1 KH[D1000]
 18.004  ACC          1.00mH         1e-5U
 18.005  IEEE         [D500]DLTF? 0[I]
 18.006  MEM*         1000
 18.007  MEME
 18.008  MEMC         mH             1.0e-1U
 19.001  IEEE         FREQ 21
 19.002  IEEE         [@3325] FU 1; AM .5 VO; FR 99.9 KH[D1000]
 19.003  ACC          -1.00mH        1e-5U
 19.004  IEEE         [D1500]DLTF? 0[I]
 19.005  MEM*         1000
 19.006  MEME
 19.007  MEMC         mH             1.0e-1U
 20.001  HEAD         {}
 20.002  DISP         {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»}
 20.003  DISP         {º THIS COMPLETES THE VERIFICATION º}
 20.004  DISP         {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ}
 20.005  END