Table of Contents
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Introduction to Pulse-Response
Measurements
The
purpose
of the
Type
R
Plug-In
Unit
is
to
permit you to observe the pulse or switching
characteristics
of junction transistors
in either
the
grounded-base
or
the
grounded-emitter
configuration.
These
characteristics
are
not
obtainable from ordinary characteristic curves.
Since
these
characteristics
vary
considerably
with
different
operation
conditions, the Type
R
Plug-In Unit is designed to furnish the transistor
under
test
with
a wide
range of operating vol-
tages, driving impedances, and load impedances.
The test procedure
essentially involves driv-
ing either the baseor the emitter of a transistor,
COLLECTOR
CURRENT
MA/CM
\
COLLECTOR
POWER
CURRENT
MEASURING
SUPPLY
\
RESISTORS
PULSE GENERATOR
| CULL
MERCURY
7
1
i
TO INPUT
MERCUR
;
OF SCOPE
ee
ee
(INTERNAL)
4
'
;
| EXTERNAL
|
POINT A
! RESISTOR
FLOATING
"7
oe
|
SUPPLY
;
|
|
|
!
|
|
|
POWER
|
|
|
|
|
BIAS
—
POWER
SUPPLY
SERIES
RESISTOR
LoL
|
P-N-P TRANSISTOR
UNDER TEST
configuration,
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