Hystersis Switch Guide - Wavetek 193 Instruction Manual

2.0
1K
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CONT
FREO/STARTFREO
FREO MULT
SYM
MODE
Settings
Controls
6.4.6 Triangle Buffer Guide
Set the controls as shown; then perform the checks in
table 6-9 and take waveform measurements. Refer to
figure 6-12. If, after setting the controls, the generator
loop does not run, lift R45 at E23 and inject a
±
1.0V
triangle into R45.
Figure 6·11. Hysteresis Switch Waveforms
____ -2.8V
-_ -2.8V
__ -1.1V
I
I
+2.6V --
or
COLLECTOR
I--
I
-2.2V __
I
or
BASE ,
I--
I
I
, I
-2.2V--I--
oe
BASE
- .,...1.8V
US PIN 3
__ -1.8V
I
I
I ,
-0.8V
-1--
US PIN 2
-1.8V
_ -2.8V
6-12
07 and 08 emitters
- 2.8 ± .28 Vdc
(- Peak reference)
U10pin9
- 0.9 ± .09 Vdc
(+ Peak reference)
U10pin4
Desired Results
-3.0 ± .3 Vdc
Test Point
Table 6·8. Hysteresis Switch Guide
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CONT
FREO/STARTFREO
FREO MULT
SYM
MODE
Settings Controls
6.4.5 Hysteresis Switch Guide
Set the controls as shown; then perform the checks in
table 6-8, and take waveform measurements. Refer to
figure 6-11.
Figure 6·10. Current Switch Waveforms
_ -0.4V
__ -1.SV
I
010 EMITTER I__
I
I
I I
I
1 , I'
+1.8V--1-- --I-
I
CR30 ANODE
1--1
i ,
+1.4V-
_I ,
__ -1.1V
I
010 BASE
1__
.
,
J
I
I I
+1.8V-- .
+2.6V--