HP 214B User Manual

Model 214B
Adjustments
ADJUSTMENTS
5-13 POSITION ADJUST
EQUIPMENT : Counter / Timer
2 x 50 n Feedthrough
I WARNING I
High voltage dangerous to life.
Do not overload feedthroughs and inputs.
Note : If position potentiometer R158 has been replaced,
set the new potentiometer so that its resistance is 300 n.
Next, fit the dial so that the '1' on the light grey scale is
exactly beneath the arrow. (It may be necessary to slightly
readjust if specifications cannot be reached).
2 148
COUNTE RIT IME R
oDO 0 0 0
o
50 11 FEEDTHR OUGH
CABLE S EQUAL LENGTH '- __ ___ ~
Figure 5-2
PROCEDURE:
1. Connect equipment as shown in Figure 5- 2 and set 2148 contro ls as follows :
MODE .. . . . . ................ . . .. NORM
PERIOD Range . .
PE R
10D Vernier
POSITION Range
POSITION Vernier
DUTY CYCLE %
1m - 10m
10
.1m - 1m
10
released
WIDTH Vernier . ...... . .. .. . . .. .. . . 10
WIDTH Range .. .. . .. . . . . . . . ..... . lp - lOp
AMPLITUDE Range .. .. ..... . . . . ... 3-10
AMPLITUDE Vernier . . ... . . ........ .
as
required
INT LOAD . . . . . . ............. . . . . .
SLOPE .. . ...... . .. . . . . . . ..... . .. *
DELiADV /D.P. . ........ . . . . . .. . .
OUTPUT POLAR ITY
* = don't care
DEL
POS
2.
Set Counter/Timer to TIME INTERV . A to B, trigger both channels to f slope
and measure time between trigger and output signal.
3.
Adjust A2R45 for 1000ps delay ± lOps. (POSITION Vern ier ex actly set to 10).
4. Set Position Vernier exactly to 1 and adjust A2 R 11 9 for lOOps ± 1 ps.
5-5
==="'--.....-.-=====~============ =====~===~--=~--~~- - -_ .... -
Scans by Artekmedia => 2009

HP 214B Specifications

General

Brand	HP
Model	214B
Category	Portable Generator
Language	English