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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Need\s+Help\s+Diagnosing\s+a\s+Collins\s+30L1\s+Amp\s+Problem\s*$/: 3 ]

Total 3 documents matching your query.

1. [Amps] Need Help Diagnosing a Collins 30L1 Amp Problem (score: 1)
Author: "w2cqm@juno.com" <w2cqm@juno.com>
Date: Wed, 14 Mar 2007 00:35:03 GMT
I recently acquired a basket case Collins 30L1 and successfully replaced the filter capacitor,diode and bleeder board. The result was a welcomed increase in voltage to about 2Kvdc on the plate. Added
/archives//html/Amps/2007-03/msg00164.html (8,005 bytes)

2. Re: [Amps] Need Help Diagnosing a Collins 30L1 Amp Problem (score: 1)
Author: "Robert Bonner" <rbonner@qro.com>
Date: Tue, 13 Mar 2007 22:11:38 -0500
Suspect bandswitch problems in the tank circuit sections. Make sure the sections are INDEXED correctly. If you took the switch rod out during cleaning or rebuilding there could be a possibility the l
/archives//html/Amps/2007-03/msg00166.html (9,955 bytes)

3. Re: [Amps] Need Help Diagnosing a Collins 30L1 Amp Problem (score: 1)
Author: Steve Thompson <g8gsq@eltac.co.uk>
Date: Wed, 14 Mar 2007 07:53:54 +0000
snip Should you expect to see a 'resonance dip' when varying the load capacitor? Assuming a resitive external load, simplistically, the load cap sets the step up ratio from the external load to what
/archives//html/Amps/2007-03/msg00167.html (7,381 bytes)


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