Tektronix 1A2 Instruction Manual page 6

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).