Avtech AVR-D2-B, Instructions Manual

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INTRODUCTION
Model AVR-D2-B is specifically designed to perform MIL-PRF-19500 switching time
tests, but it is also useful as a high-speed medium-voltage general-purpose laboratory
pulse generator.
The main output (channel 1) provides a ±6 to ±30 Volt (±40 V for units with the -SOA
option) pulse. The pulse width is adjustable from 200 ns to 20 us. The 10%-90% rise
time is ≤ 1.5 ns (≤ 1.0 ns for units with the -TRF option), and the fall time is ≤ 2 ns.
A second output (channel 2) provides a ±2 Volt, 15 ns wide pulse, with 1.5 ns rise times
(10%-90%) and 2.5 ns fall times.
Both outputs require a 50Ω load. A variable DC offset of 0 to ± 15 Volts may be added
to the outputs.
Only one channel is active at a time. There is a single main output connector. Internal
relays connect the desired channel to the output connector.
The AVR-D2-B is a highly flexible instrument. Aside from the internal trigger source, it
can also be triggered or gated by external TTL-level signals. A front-panel pushbutton
or a computer command can also be used to trigger the instrument.
The AVR-D2-B features front panel keyboard and adjust knob control of the output
pulse parameters along with a four line by 40 character back-lit LCD display of the
output amplitude, pulse width, pulse repetition frequency, and delay. The instrument
includes memory to store up to four complete instrument setups. The operator may use
the front panel or the computer interface to store a complete “snapshot” of all key
instrument settings, and recall this setup at a later time.
This instrument is intended for use in research, development, test and calibration
laboratories by qualified personnel.
AVAILABLE OPTIONS
-SOA Option: This option increases the maximum channel amplitude from ±30 Volts to
±40 Volts.
-TRF Option: This option decreases the specified rise time of the CH1 output from 1.5
ns to 1.0 ns (10%-90%).
The -SOA and -TRF options are mutually exclusive.
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