Input Capacitance - Tektronix 545A Instruction Manual

Characteristics
—
Type
545A
PLUG-IN PREAMPLIFIER CHARACTERISTICS
FOR TYPE 545A OSCILLOSCOPES
PLUG-IN TYPE
CALIBRATED
DEFLECTION
FACTOR
PASSBAND
RISETIME
INPUT
CAPACITANCE
Type
A
Wide-Band
DC
Coupled
0.05
v/cm
to
20
v/cm
dc
to 14
me
dc
to
20 me
18 nsec
47
pf
TYPE
B
Wide-Band
5
mv/cm
to 0.05
v/cm
2 c to
1
2
me
30
nsec
47 pf
High Gain
DC
Coupled
0.05
v/cm
to
20
v/cm
dc
to
20
me
1
8
nsec
TYPE
CA
Dual-Trace
DC
Coupled
0.05
v/cm
to
20
v/cm
dc
to
24 me
15 nsec
20 pf
TYPE
D
High-Gain
DC
Coupled
Differential
1
mv/cm
to
50
v/cm
dc
to
2
me
0.18
^sec
47
pf
Type
E
Low-Level
AC
Coupled
Differential
50
/x
v/cm
to 10
mv/cm
0.06 cycles
to
60
kc
6 /isec 50 pf
TYPE
G
DC
Coupled
Differential
Wide-Band
0.05
v/cm
to
20
v/cm
dc
to
20
me
18 nsec
47
pf
TYPE
H
DC
Coupled
High-Gain
Wide-Band
5
mv/cm
to
20
v/cm
dc
to
1
5
me
23
nsec
47
pf
TYPE
K
Fast-Rise
DC
Coupled
0.05
v/cm
to
20
v/cm
dc to
30
me
12 nsec
20 pf
TYPE
L
Fast-Rise
5
mv/cm
to
2
v/cm
3
c
to
24
me
1
5 nsec
20 pf
High-Gain
DC
Coupled
0.05
v/cm
to 20
v/cm
dc
to
30
me
1
2 nsec
TYPE
N*
Pulse
Sampling
1
0
mv/cm
600
me
0.6
nsec
Input
Impedance
50
ohms
TYPE
P*
is
a
fast-rise step-function
test
signal
unit.
TYPE
Q*
Strain
Gage
10 /j.strain/div to
10,000
/iStrain/div
dc
to
6
kc 60
fji .
sec Adjustable
TYPE
R*
Transistor Risetime
0.5
ma/cm
to
lOOma/cm
12 nsec
TYPE
S*
Semiconductor
Diode Recovery
0.05
v/cm and
0.05
v/cm
TYPE
T*
Time-Base
Generator
TYPE Z*
DC
Coupled
Differential
Comparator
0.05
v/cm
to 25
v/cm
dc
to
13
me
27
nsec
27
pf
*More
data available
on
the special purpose
plug-in
units
in
the following
paragraphs.
1-4
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