Operating basics
External Refe
rence Clock
1. The external reference
input (EXT REF INPUT)
and the external
reference output
(EXT REF OUTPUT)
connectors are provided
on the AFG3000 series
rear panel.
2. The instrument can use
the internal or external
signal as a reference
signal.
To select a reference
signal, push the
front-panel Utility button
and then push the
System bezel button.
3. Push the Clock Ref bezel
menu button to toggle
between Internal and
External.
Quick Tips
The external reference Input and Output connectors are used for synchronizing
multi
ple AFG3000 series instruments.
The instrument can use the internal source or an external source as a reference
sign
al. When the internal reference is activated, a 10 MHz reference signal
is output on the rear panel EXT REF OUT connector. This output signal
synchronizes other devices to the instrument.
When the external reference input is activated, the rear panel EXT REF
INPUT connector is used as the input for an external reference signal. The
instrument is synchronized by this external reference signal.
The EXT REF OUTPUT connector is not provided on the AFG3021,
AFG3022 AFG3051, or AFG3052.
74 AFG3000 and AFG3000C Series User Manual
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