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80
T Y P E
6 0 3
E L E C T R O N I C M U L T I P L I E R
1
0-100
-100
Instantaneous
Potentials
in Porenthmsis
Figure 77. Use o f Capacitors in Trigger Circuit
The potential values shown outside parenthesis are
For .this reason
a
square wave is used as a source of
those existing when T 2 is conducting and before
pulses.
a pulse is applied. This circuit is designed ,to trig-
When a negative pulse of 20 volts with a steep
ger on the application of
a
20 volt negative pulse
wave front is impressed across the input, there is
to both grids.
In order to operate properly, the
a sudden drop of 20 volts at point
X.
Since a
triggering pulse must have a very steep wave front.
steep wave front is equivalent to an extremely high
Figure 78. Voltages Existing after C i Discharges but before
C c Discharges w i t h Neither T u b e Conducting
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