Bandwidth Performance Test - HP 54501A Service Manual

HP 54501A PERFORMANCE TESTS
3-5. BANDWIDTH PERFORMANCE TEST
Specification :
Equipment Required:
Signal Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8656B
Power Meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 436A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8482A
Type N (f) BNC (f) Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 1250-1474
BNC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A
BNC tee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 1250-0781
Procedure :
1 .
Connect equipment as in figure 3-1 .
DC to 100 MHz (Repetitive)
DC to 1 MHz (Single-shot)
2.
Set Signal Generator frequency to approximately 100 kHz .
3 .
Autoscale HP54501A by pressing front-panel AUTOSCALE key .
4.
Press front-panel DISPLAY key and select grid.
5.
Press front-panel CHANNEL and set vertical sensitivity to 100 mV/div .
6 .
Adjust Signal Generator output for vertical deflection on HP 54501A of exactly 8 divisions .
Adjust offset as necessary .
7 .
Set Power Meter CAL FACTOR % for 100 kHz value from Power Sensor CAL FACTOR
chart .
8.
Press Power Meter %[REF] key to set 0 dB reference .
9.
Change Signal Generator frequency to 100 MHz.
10.
Select HP 54501A TIMEBASE and set at 10 nsec/div . Adjust trigger level, if necessary, for
stable display .
11 .
Set Power Meter CAL FACTOR % for 100 MHz value from Power Sensor CAL FACTOR
chart .
12.
Adjust Signal Generator output level to obtain 0 dB on Power Meter .
13.
Deflection of displayed signal should be equal to or greater than 5 .6 divisions in amplitude .
14 .
Repeat steps 1 through 14 to test channels 2, 3, and 4 .