SFG-2000 Series User Manual 
44 
APPLICATION EXAMPLES 
Reference Signal for PLL System 
Description 
The SFG output can be used as a cost-effective reference 
signal for Phase-Locked-Loop system. Directly connect 
SFG output to PLL input. 
Block diagram 
SFG series
PLL
Reference In Output
 
Trouble-Shooting Signal Source 
Description 
The SFG output can be used as the signal source to test 
the failed part in a circuit system. Isolate the problematic 
part from the rest, feed the SFG output as a stimulus, 
and observe the outcome using an oscilloscope. 
Block diagram 
SFG series
Oscilloscope
Circuit System
 
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