Manual

DA1855A Differential Amplifier
4 922258-00 Rev A
Specifications
These specifications are valid for instruments when the following conditions have been met:
• The instrument is being operated from a power source, which meets the line voltage and
frequency specifications.
• The instrument has been operating for at least 20 minutes in an environment, which is
within the operating environmental specifications.
• The instrument has been calibrated within the last 12 months. Calibration was performed in
a controlled environment of 25° C ± 5° C.
Nominal Characteristics
Nominal characteristics describe parameters and attributes which are guaranteed by design, but do
not have associated tolerances.
General
Input Configuration
True Differential, + and – Inputs Precision Voltage Generator
can be selected as – input source in V
COMP
mode.
Offset Capability
The Precision Voltage Generator can be used to provide true
differential offset.
+Input Coupling Selections
AC, Off (Precharge), DC
–Input Coupling Selection
AC, Off (Precharge), DC, V
COMP
Input Connectors
BNC (+Input incorporates Probe Attenuation Coding sensing
connector)
Maximum Input Voltage
Withstand up to ± 200 Vp continuous. Automatic input
disconnect with manual reset.
Output Configuration
Single ended, Ground referenced
Output Impedance
50 Ω
Intended Output Load
50 Ω
Output Connector
BNC
Amplifier Gain
X1 or X10
Input Attenuation
÷1 or ÷10
Bandwidth Limit Filters
100 kHz, 1 MHz, 20 MHz or
(Low Pass)
None (full bandwidth)
Bandwidth Limit Filter Characteristics
3-pole Bessel, 18 dB/octave