Avtech AVO-6A1-B, Instructions Manual

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A fast current probe should be used to monitor the current waveform. Factory testing is
conducted using an Integrated Sensor Technologies model 711S current probe (https://
www.isensortech.com/).
BASIC PULSE CONTROL
This instrument can be triggered by its own internal clock or by an external TTL trigger
signal. In either case, two output channels respond to the trigger: OUT and SYNC. The
OUT channel is the signal that is applied to the load. Its amplitude and pulse width are
variable. The SYNC pulse is a fixed-width TTL-level reference pulse used to trigger
oscilloscopes or other measurement systems. When the delay is set to a positive value
the SYNC pulse precedes the OUT pulse. When the delay is set to a negative value the
SYNC pulse follows the OUT pulse.
These pulses are illustrated below, assuming internal triggering and a positive delay:
If the delay is negative, the order of the SYNC and OUT pulses is reversed:
22
SYNC OUT
(generated by the
internal oscillator)
100 ns, FIXED
MAIN OUTPUT
PULSE WIDTH DELAY > 0
AMPLITUDE,
VARIABLE
3V, FIXED
OUT
CONNECTOR
SYNC
OUTPUT
AC
POWER
SAMPLING
OSCILLOSCOPE,
BW > 5 GHz
50 OHM INPUT
TRIG
INPUT
AVO-6
MAINFRAME
GND
AVO-6A1-T
GND
Bold lines = coaxial cables
20
dB
ATTENUATOR ATTENUATOR
DUT
CURRENT
PROBE