4
same frequency as the selected waveform at the main
output terminal and is used for synchronizing external
equipment to the generator.
For Sweep, the SYN signal is high during the time the
waveform is sweeping and low during the inactive time the
waveform is waiting for the next sweep to start.
When using FSK the positive portion of the sync signal is
high for the duration the FSK signal (TW) is at the first
frequency and low during the time the signal switches to
the second frequency (TS)
PSK the sync signal is high during the time the PSK
signal is at Zero phase (TW) and low during the time the
signal switches to the Phase shifted signal (TS).
ASK the sync signal is high during the time the ASK signal
is active (TW) and low during the time it is inactive (TS),
waiting the next cycle to start
z B OUT:e Second output, with an impedance of 600Ω. All
waveforms with a frequency to 20 KHz maybe selected.
This output signal may be used as the modulating signal
when using External AM.
2.2 Rear Panel Inputs
(11) External Trigger input
(12) External Frequency counter input
(13) Ext AM input
(14) AC line Voltage selector
(15) AC input
(16) RS232 connector
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