User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: HEA 4934A/4935A IMPULSE NOISE DAC CALIBRATION DATE: 11-Aug-93 AUTHOR: User Contributed REVISION: 1 F. Samonski 18-May-93 Added 4934A ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 19 NUMBER OF LINES: 168 CONFIGURATION: Fluke 5700A CONFIGURATION: HP 8903B ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK- R D N B P J S M F W 1.002 ASK+ X 1.003 HEAD [27][91]1m {IMPULSE NOISE DAC CALIBRATION} 1.004 DISP Set the UUT controls as follows: 1.004 DISP 1.004 DISP DISPLAY RCV 1.004 DISP SET UP 600 OHM 1.004 DISP MEASUREMENT IMPULSE NOISE 1.004 DISP FILTER 15KHz FLAT 1.005 DISP 1.005 DISP IMPULSE NOISE press PERIOD-NON STOP 1.005 DISP press DISPLAY-LOW (SET) 1.005 DISP press START/RESET 1.005 DISP Left Display adjust Threshold to 90 dBrn. 1.006 DISP 1.006 DISP Connect the UUT TRMT/RCV phone jack to the 5700A V/OHM 1.006 DISP Output terminals. 1.006 DISP 1.007 5700 0.58V 2kH S 2W 1.008 EVAL Is the UUT right Display Counting ? 2.001 DISP 2.001 DISP Raise the UUT Threshold by one dBrn. (91) 2.001 DISP 2.002 5700 0.58V 2kH S 2W 2.003 EVAL Did the UUT stop Counting ? 3.001 5700 0.651V 2kH S 2W 3.002 EVAL Is the UUT right Display Counting ? 4.001 DISP 4.001 DISP Raise the UUT Threshold by one dBrn. (92) 4.001 DISP 4.002 5700 0.651V 2kH S 2W 4.003 EVAL Did the UUT stop Counting ? 5.001 5700 0.73V 2kH S 2W 5.002 EVAL Is the UUT right Display Counting ? 6.001 DISP 6.001 DISP Raise the UUT Threshold by one dBrn. (93) 6.001 DISP 6.002 5700 0.73V 2kH S 2W 6.003 EVAL Did the UUT stop Counting ? 7.001 DISP 7.001 DISP Set the THRESHOLD to 90 dBrn 7.001 DISP Set the UUT Impulse Noise DISPLAY to MID. 7.001 DISP 7.002 5700 0.82V 2kH S 2W 7.003 EVAL Did the UUT stop Counting ? 8.001 5700 0.92V 2kH S 2W 8.002 EVAL Is the UUT right Display Counting ? 9.001 DISP 9.001 DISP Set the UUT IMPULSE NOISE DISPLAY to HIGH. 9.001 DISP 9.002 5700 1.299V 2kH S 2W 9.003 EVAL Did the UUT stop Counting ? 10.001 5700 1.4577V 2kH S 2W 10.002 EVAL Is the UUT right Display Counting ? 11.001 5700 * S 11.002 HEAD [27][91]1m {COUNT LIMIT CALIBRATION} 11.003 DISP Set the UUT controls as follows: 11.003 DISP 11.003 DISP DISPLAY RCV 11.003 DISP MEASUREMENT IMPULSE NOISE 11.003 DISP FILTER 3KHz FLAT 11.003 DISP IMPULSE NOISE LOW (SET) 11.003 DISP THRESHOLD 75 dBrn 11.003 DISP 11.004 DISP 11.004 DISP Press the START/RESET BUTTON !!!! 11.005 DISP 11.005 DISP Wait... 60 second countdown will occur when advance is 11.005 DISP pressed. 11.006 5700 0.775V 2kH S 2W #11.007 DOS timer60.exe 11.007 IEEE [@8903][D10000][TERM LF] 11.007 IEEE [@8903][D10000][TERM LF] 11.007 IEEE [@8903][D10000][TERM LF] 11.007 IEEE [@8903][D10000][TERM LF] 11.007 IEEE [@8903][D10000][TERM LF] 11.007 IEEE [@8903][D5000][TERM LF] 11.008 5700 * S 11.009 EVAL Is the UUT Count between 432 and 528 ? 12.001 DISP 12.001 DISP Press the DISPLAY IMPULSE NOISE button to select 12.001 DISP MID THRESHOLD. 12.002 DISP 12.002 DISP Press the START/RESET BUTTON !!!! 12.003 DISP 12.003 DISP Wait... 60 second countdown will occur when advance is 12.003 DISP pressed. 12.004 5700 0.775V 2kH S 2W 12.005 IEEE [@8903][D10000][TERM LF] 12.005 IEEE [@8903][D10000][TERM LF] 12.005 IEEE [@8903][D10000][TERM LF] 12.005 IEEE [@8903][D10000][TERM LF] 12.005 IEEE [@8903][D10000][TERM LF] 12.005 IEEE [@8903][D5000][TERM LF] 12.006 5700 * S 12.007 EVAL Is the UUT Count between 432 and 528 ? 13.001 DISP 13.001 DISP Press the DISPLAY IMPULSE NOISE button to select 13.001 DISP HIGH THRESHOLD. 13.001 DISP 13.002 DISP 13.002 DISP Press the START/RESET BUTTON !!!! 13.003 DISP 13.003 DISP Wait... 60 second countdown will occur when advance is 13.003 DISP pressed. 13.004 5700 0.775V 2kH S 2W 13.005 IEEE [@8903][D10000][TERM LF] 13.005 IEEE [@8903][D10000][TERM LF] 13.005 IEEE [@8903][D10000][TERM LF] 13.005 IEEE [@8903][D10000][TERM LF] 13.005 IEEE [@8903][D10000][TERM LF] 13.005 IEEE [@8903][D5000][TERM LF] 13.006 5700 * S 13.007 EVAL Is the UUT Count between 432 and 528 ? 14.001 OPBR 14.001 OPBR Does the UUT have P/AR MEASUREMENT mode option ? 14.002 JMPF 19.001 14.003 HEAD [27][91]1m {P/AR CALIBRATION} 14.004 DISP 14.004 DISP Set both 600 ohm SETUP switches IN (4935A) 14.004 DISP Set BRG switch to off. (4934A & 4935A) 14.004 DISP 14.004 DISP Set UUT MEASUREMENT to P/AR. 14.005 MESS 14.005 MESS Edit the Voltage Output for a UUT indication of -30 dBm. 14.006 5700 -3.889D 1U 300H 2W 15.001 MESS 15.001 MESS Edit the Voltage Output for a UUT indication of 0 dBm. 15.002 5700 -3.889D 1U 1kH 2W 16.001 MESS 16.001 MESS Edit the Voltage Output for a UUT indication of -10 dBm. 16.002 5700 -3.889D 1U 2.3kH 2W 17.001 5700 * S 17.002 MESS 17.003 DISP 17.003 DISP Remove the INPUT from the UUT phone jack. 17.003 DISP 17.004 DISP 17.004 DISP Press the DISPLAY to TRMT. 17.004 DISP 17.005 DISP 17.005 DISP Adjust the UUT OUTPUT LEVEL control for a left display 17.005 DISP reading of -12 dBm. 17.005 DISP 17.006 EVAL Does the UUT right display indicate between 99 and 101 ? 18.001 DISP 18.001 DISP Vary the UUT OUTPUT LEVEL between -11 and -13 dBm. 18.001 DISP 18.001 DISP Observe the change in the right display . 18.001 DISP 18.002 EVAL Did the right display change by less than or equal to 1 count. 19.001 5700 * S 19.002 END