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GrahamH

GrahamH club

Posted: 22 Mar 2013

Taken: 23 Feb 2013

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1/60 • f/8.0 • 5.0 mm • ISO 200 •

Canon PowerShot A1200

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Keywords

components •
frequency •
qld •
circuit •
interior •
queensland •
counter •
board •
australia •
audio •
gear •
equipment •
radio •
test •

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FreqCntr insides 201303 003

FreqCntr insides 201303 003
The cover off the counter to plan modifications to run from 12v car battery etc. It surprised me that the power transformer was centre tapped to earth and each side feeding a single diode ala valve rectifier ccts of old.
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