HP 214B User Manual

Model 214B
Adju stments
ADJUSTMENTS
5-15
PULSE AMPLITUDE
EQUIPMENT : Oscilloscope
PROCEDURE :
20dB A
ttenuator
20dB Attenuator 50W
I WARNING I
High voltage dangerous to life.
Note:
If the amplitude potentiometer R460 has been
replaced, set the new potentiometer so that the resistance
between the
white / red /grey wire and the white /violet wire
is 70 Q. Next, fit the dial so that the '3' on the light g re y
scale is exactly beneath the arrow. (It may be necessary to
slightly readjust the dial when specifications cannot
be
reached) .
Do
not overload Attenuator or Oscilloscope inputs.
OSCI LL OSCO PE
D
2 14B
=
c::=:=I C=::J ~ ~
oCJjO
o 0
0
A B
0
50 Q
q:> 0 (
W 2~B
50 W
Figure 5-4
1. Connect equipment as shown in Figure 5- 4 and set 2148 controls as follows :
MODE
NORM
PERIOD Range ......... . .. .... . 10m - .1
PERIOD Vernier .
..... ... . ...... . 10
POSITION
Range .. . . ... ... . . .. . 10n - .1/1
POSITION Vernier .... . .. .. .. .. .. 1
DUTY CYCLE % . .. ..... . ..... . depressed
DUTY CYCLE Range . . . . . . . . . . . 1- 10%
DUTY CYCLE Vernier . . . . . . . . . . . .. 5
AMPLITUDE Range ....... . .. . . . 30-100V
AMPLITUDE Vernier . ..... .. .... . 3
INT LOAD .. .... .... .. .. . ... ... OFF
SLOPE . ......... . ..... .. . .... *
DELIADV /D.P. . .... . ..... . ..... DEL
OUTPUT POLARITY .... ...... ... POS
* = don't care
2. Set oscilloscope
so that one pulse with approx. 5 DIV . width is displayed on screen .
3. Turn A 1 R462 CW and adjust A 1 R457 for 29 V output amplitude.
5
-9
Scans by Artekmedia => 2009

HP 214B Specifications

General

Brand	HP
Model	214B
Category	Portable Generator
Language	English