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Total 3 documents matching your query.

1. [AMPS] Improvements to L-4B PS? (score: 1): Author: dick@merlin.libelle.com (Dick Flanagan); Date: Mon, 26 May 1997 09:02:07 -0700; The Drake L-4B has been characterized as a good amp with a marginal power supply. Are there any generally accepted mods to improve the power supply? 73, Dick -- Dick Flanagan W6OLD CFII Minden, Nevad; /archives//html/Amps/1997-05/msg00219.html (6,980 bytes)
2. [AMPS] Improvements to L-4B PS? (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 26 May 97 12:12:34 -0700; IMO, Dick, raising the anode supply to 4kV will increase RF output by about 2db and decrease the amount of drive power needed to produce 0.8A of anode current. .Is 2db worth the effort? If the stock; /archives//html/Amps/1997-05/msg00221.html (7,773 bytes)
3. [AMPS] Improvements to L-4B PS? (score: 1): Author: dick@merlin.libelle.com (Dick Flanagan); Date: Mon, 26 May 1997 13:28:10 -0700; I am interested more in increased reliability than in increased output. For example, would 1N5408's be a good replacement for the original diodes, etc? I have obtained an Ameritron QSK-5 in the hope; /archives//html/Amps/1997-05/msg00222.html (7,441 bytes)

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