TFG6800 Series Function/Arbitrary Waveform Generator Users’ Guide
Suin Instruments Co., Ltd
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restart’. If update fails, it will show ‘Upgrade failed, please update again’. Press
〖
Cancel
〗
to exit the updating. If the lum file is not selected correctly, press
〖
Upgrade
〗
,the instrument will
prompt ‘Bad file mode’.
3.23 Clock Setting
Crystal oscillator is used on this waveform generator, after a long time operating, the oscillator
will age and which will lead to the drift of frequency. Although it already has a higher accuracy, it
can’t meet measurement requirement in some special application, external clock is needed to
connect to 10MHZ In/ Out port in rear panel, press
〖
Clock Source
〗
softkey to select external
clock. Instrument will detect external clock automatically and switch to external clock status once
found qualified clock. Internal clock will be disable and ‘External clock access’ will be shown,
at the same time, ‘Ext Ref On’ will display in status bar.
If disconnect external clock, prompt message ‘External clock removal’ will be shown,
information referred to external clock won’t be displayed in status bar and the instrument will
switch to internal clock automatically.
3.24 Signal Port
There are four signal output ports in front panel of instrument and four signal ports in rear panel
The ground of all input port is directly connected to the ground of the case.
The output port of the instrument is strictly prohibited to be used as signal input port, otherwise, it
may cause damage to the instrument.
(1)
Signal output port
《
CH1 output
》《
CH2 output
》
: It’s located in front panel and
out signal from this port.
(2)
Sync output port
《
CH1 Sync
》
/
《
CH2 Sync
》
:It’s located in the front panel and
output the sync signal.
Synchronous output signal is a pulse compatible TTL with rich higher harmonics.
The sync out may interfere in the main signal and please turn off it when unneed
ed. The default state of Sync output is Off when power on instrument.
