HP 8559A - 5-15

MODEL 8559A
ADJUSTMENTS
ADJUSTMENTS
5 - 18. CALIBRATED SWEEP TIME ADJUSTMENT (Cont'd)
1. Set equipment controls as follows:
NOTE
If an HP 853A Spectrum Analyzer Display mainframe is used, and a sweep
time faster than 10 msec is selected, an error message will appear on the
analyzer's CRT and the analyzer will go into mixed mode.
Spectrum Analyzer:
FREQUENCYBANDGHz .................................................. .01-3
TUNING ............................................................ >0.010 GHz
FREQ SPAN/DIV .......................................................... F (full)
RESOLUTION BW
............................................... Optimum, coupled
INPUTATTEN
............................................................. 10dB
REFERENCE LEVEL ....................................................... 0 dBm
REFLEVELFINE .............................................................. 0
Amplitude Scale ........................................................ 10 dB/DIV
SWEEP TIME/DIV ......................................................... 1 msec
SWEEP TRIGGER
..................................................... FREE RUN
ALTIF
..................................................................... OFF
SIGIDENT
................................................................. OFF
BLCLIP
.................................................................... OFF
VIDEOFILTER
............................................................. OFF
50 MHz Universal Counter:
FUNCTION
............................................................ TI. A to B
SAMPLE RATE
............................................... Full counterclockwise
TIMEBASE ................................................................ lops
SENSITIVITY(A) ........................................................ 9o'clock
A 50 MHz INPUT ................................................ .v(falling edge)
SENSITIVITY(B) ........................................................ 9o'clock
B 10 MHz INPUT ................................................. .n (rising edge)
2. Connect equipment as shown in Figure
5 - 2.
3. Adjust counter SENSITIVITY controls (both channels) as necessary until counter triggers and indicates a
time interval of approximately 10.00 ms.
4.
Adjust 1 ms potentiometer A9R10 for a time interval indication of 10.00 + 0.80 ms.