Operating Basics
52 AFG3000 Series Quick Start User Manual
External Reference Clock (AFG3100 and AFG3200 Series)
Quick Tips
■ The external reference Input and Output connectors are used for synchronizing multiple AFG3000 series instruments.
Refer to page 53 for synchronous operation.
■ The arbitrary/function generator can use the internal source or an external source as a reference signal. 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 arbitrary/function generator.
■ 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 arbitrary/function generator is synchronized by this external reference signal.
■ The EXT REF OUTPUT connector is not provided with the AFG3021 and AFG3022.
1. The external reference input (EXT
REF INPUT) and the external refer-
ence 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.
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