MODEL 8559A

ADJUSTMENTS

ADJUSTMENTS

5-18. CALIBRATEDSWEEP 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'sCRT 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 .........................................................

1msec

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 ( f a l l i n g edge)

SENSITIVITY(B) ........................................................

9o'clock

B 10MHz INPUT .................................................

.(risingedge)

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.