PG506
The Tektronix PG506 is a 1 MHz calibration generator plug-in for the TM500 system.
There are (at least) two versions of the PG506. The older version has two relays that switch a low-pass (noise) filter into the 10 V and below ranges. The new version just has a capacitor across the output for these ranges.
Common failure modes: In case of low or no output on the 20 V and above ranges, check Q270, Q280 and Q290.
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PG506 Left Internal
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PG506 Left Internal
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PG506 Right Internal
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PG506 Right Internal
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PG506 Front
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PG506A Front
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Newer version without filter relays
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PG506A
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PG506A output waveform
