Tektronix 1A2 Instruction Manual page 6

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Characteristics—Type
1A2
Characteristic
Performance
Requirement
Supplemental
Information
AC Low-Frequency Response
Typically
3 dB down
at 2 Hz direct; 0.2 Hz
with 10
probe
Display Modes
Channel
1 only
Channel 2 only
Dual-trace, alternate
between
channels.
Dual-
trace,
chopped
between
channels.
Added
algebraically
Chopped
Repetition Rate
220 kHz
20%
rate
to show
successive
2 us
segments of each trace
Common
Mode Rejection Ratio
20:1 for common-mode signals up to 10cm in
amplitude
With optimum
GAIN
adjustment for both
channels
Polarity Inversion
Signal
on
either
Channel
1
or
2
can
be
inverted
Output Trigger?
Measured
at TRIG
OUT
connector
Output Trigger Voltage
Approximately 0.5 V/cm or gain of 10
VOLTS/CM
at .05
Bandwidth
Low-Frequency 3 dB down is about 10 Hz when
output of the amplifier is working into 1 MQ;
High-Frequency
3dB
down
is
amplitude
dependent and shown in the graph of Fig. 1-2
Output Coupling
AC
1Applies
only
to
instruments
with
a serial
number
of 716
or higher.
MECHANICAL
CHARACTERISTICS
ACCESSORIES
Characteristic
Information
.
;
.
.
.
CG
i
Alumi
i
hassi
Standard accessories supplied with this instrument will be
onstruction
Uminumeal'oy Chassis
found in the Mechanical Parts List. For optional accessories,
Finish
Anodized front panel
see the current Tektronix, Inc. catalog.
10
9
4
;
x
7
\
6
\
5
\
4
=
\
6
N
3
Qo
a
2
\
2
N
=
3
>
2
|
6
9
=
o
8
AN
& 47
z
AN
F
6
\
\
5
4
\
\
3
\
2
1
2
3
4
5
6
7
Frequency
in MHz
at 3 dB down
Fig.
1-2.
Type
1A2
Trigger
output
amplitude
and
High-Frequency
Response
(3 dB
down).

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