Controls and connectors Rear a nd side panel connectors
Use the AUX TRI
G OUT / REF OUT connector to obtain a TTL-compatible,
negative polarity pulse when the instrument triggers.
Use the CH 3 O UT connector to connect to a buffered version of the signal
that is attach
ed to the C hannel 3 input. The amplitude is 50 mV/div ±20%
into a 1 MΩ load, or 25 mV/div ±20% into a 50 Ω load.
Use the EXT REF IN connector to synchronize the instrument time base
to an externa
l 9.8 – 10.2 MHz reference frequency source. W hen not
using the external reference, disconnect signals from the EXT REF IN
BNC connector.
AUX OUT REF OUT EXT REF IN
For ≥4 GHz instruments:
Use the AUX O
UT connector to obtain a TTL-compatible, negative polarity
pulse when the instrument triggers or when certain other events occur,
such as a mask test failure or completion.
Use the REF
OUT connector to obtain a copy of the internal reference.
Use the EXT REF IN connector to synchronize the instrument time base
to an external 9.8 – 10.2 MHz reference frequency source. W hen not
using the
external reference, disconnect signals from the EXT REF IN
BNC connector.
For MSO/DPO5000 instruments:
Use the Probe Power to input the probe power.
Use the R
EF IN to input the external reference. When not using the
external reference, disconnect signals from the REF IN BNC connector.
Use the AUX OUT connector to obtain a TTL-compatible, negative polarity
pulse w
hen the instrument triggers or when certain other events o ccur,
such as a mask test failure or completion. You may also set the AUX O UT
connector to obtain a copy of the internal reference.
Use the GPIB connector to connect the instrument to a GPIB controller
for GP
IB operation.
NOTE. The GPIB connector is available on all instruments except
MSO/DPO5000 Series instruments.
Use the TekLink connector to trigger multiple instruments with a single
trigger event.
NOTE. The TekLink function is available only on DPO70000C/D,
DSA70000C/D, M SO70000C Series instruments.
68 DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series
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