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CTC-4 Director 21

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#10

03-25-2017, 05:28 PM

SwizzyMan

Restoring an admiral c322

Join Date: Apr 2015

Location: Side Lake Mn

Posts: 886

I connected the frequency counter to the oscillator. It measured out at about 3.58MHz which was good. The target frequency is 3.57545 so I went off of that. The lowest I could get the oscillator by turning L127 (reactance coil) was 3.57970 which was plenty off. I think I need to add a cap in parallel with the 270 pf cap on the oscillator tank circuit. Your thoughts?

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	20170325_180625.jpg (65.0 KB, 19 views)

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Admiral C322C2 Regent (Restoring)
RCA CTC-7 Pensbury (Restored)
RCA CTC-5 Westcott (Restored)
CRA CTC--4 Director 21 (Restoring)

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