- 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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