HP 214B - Page 50

Adjustments
ADJUSTMENTS
5. Check Vernier tracking for specifications as listed below.
PERIOD RANGE
VERNIER SETTING
RESULT
.1m - 1m
1
80/.ls - 120J.lS
.1m - 1m 2
170/.ls - 230/.ls
.1m - 1m 3
260/.ls - 340/.ls
.
lm-1m
4
350/.ls - 450/.ls
.lm-1m
5
440/.ls - 560/.ls
.1m - 1m 6
530/.ls - 670/.ls
.1m - 1m
7 620/.ls - 780/.ls
.1m - 1m 8
710/.ls - 890J.lS
.lm-1m
9
800/.ls - 1000/.ls
.lm-1m
10
890/.ls - 1110/.ls
6. Set Pulse Position to 10 ns and press Duty Cycle pushbutton. Select .1 /.I - 1/.1
Period Range and turn Period Vern ier fu lIy ccw.
7. Using the counter, adjust
A2R126 for 12.5 MHz. Check that the frequency is in
specification with dial set to 1 (8 .9 MHz - 11.1 M Hz) and dial set to 10 (0.8 MHz
- 1.2 MHz).
8. Re·adjust
A2 R 126 if specifications cannot be reached.
5-4
Model 2148
Scans by ArtekMedia => 2009