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Pplication examples, Reference signal for pll system, Trouble-shooting signal source – GW Instek SFG-2000 Series User Manual

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STORE/RECALL

SETTING

43

2

Press the shift key, then 2 to recall

the default panel setting.

Recall the
default panel
setting

The “done” message appears.

The panel is updated with the default setting.

Wave type

Sine wave

Frequency

10.0000kHz

TTL/CMOS

Disabled

−20dB

Disabled

Modulation

Disabled

Sweep mode

Disabled

SFG-2000 Series User Manual

44

A

PPLICATION 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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