HP 83522A Service Notes page 69

Adjustments Model 83522A
ADJUSTMENTS
5-1 8. DELAY COMPENSATION (Cont'd)
PROCEDURE:
NOTE
This procedure assumes that A3S1 is set to the factory-set position (Table
5-6).
1. Connect the equipment as shown in Figure 5-12 with the DVM connected to A6TP6
(DELAY COMP) and common to A6TP5 (GND ANLG).
SWEEP R F
OSCILLATOR PLUG-IN
A6TP6
7
DLY COMP
DIGITAL VOLTMETER
Figure 5-12. Delay Compensation Offset Adjustment Test Setup-
2. On the 83504 press
~"RFTR~REY~T
.
r%-2vw=
3. On the 83504 select
CW
mode and with the DVM, measure and note the voltage at
A6TP6 (DELAY COMP).
4. Press
wm
, then
'XF
.
At DATA ENTRY, enters
5. Adjust A7R47 (Z) for the same reading at A6TP6 as was obtained in step 3. Refer to
Figure 5-13 for the adjustment location. Remove the DVM test leads.
6. On the 8350G press
~ ~ ~ ~ ~ ~
%ewQ
7 j
7. On the 835224 press
wmP"%Twm
.
(50 MHz Marker Frequency switches on
automatically at Instrument Preset.)
8. Adjust the 83522A
FRBQFE
control until the MKR lamp is on.
6 % -
?**- ? eZY.b f
'*##a
9. On the 83504 press
1
0
MHZ .
10. On the 835224 press
f6-m~
marker.
11. Fine adjust the
' ~ ~ d W ~ ~ ~
control (if needed) until the MKR lamp is on.
,
r*, iw--*
r r.-$.-my<
12. On the 835224 press 1
MHz
marker.