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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Alpha\s+78\s+Input\s+matching\s+unit\s*$/: 4 ]

Total 4 documents matching your query.

1. [AMPS] Alpha 78 Input matching unit (score: 1)
Author: (Arturo Gargarella)
Date: Mon, 2 Mar 1998 18:28:12 -0300
I can remember I read in this reflector someone saying "I can´t achieve more than 840 Watts with very low grid current (something like 20 mA)". I experienced the same on 10 and 15 meters. From
/archives//html/Amps/1998-03/msg00015.html (7,933 bytes)

2. [AMPS] Alpha 78 Input matching unit (score: 1)
Author: (Rich Measures)
Date: Tue, 3 Mar 98 05:43:57 -0800
I agree, Arturo. Grounded grid amplifiers need a tuned input network. The Alpha 78 has none. Indeed, because electron-tube transceivers had a tuned circuit in the output. sounds like it The 78's des
/archives//html/Amps/1998-03/msg00019.html (8,559 bytes)

3. [AMPS] Alpha 78 Input matching unit (score: 1)
Author: (Richard W. Ehrhorn)
Date: Tue, 3 Mar 1998 23:15:47 -0000
Hi Arturo & all.. You're right - at the time the '78 was designed and for most of its production life most transceivers had tuned-output, vacuum tube amps so the "flywheel" of a tuned-input PA wasn't
/archives//html/Amps/1998-03/msg00038.html (9,015 bytes)

4. [AMPS] Alpha 78 Input matching unit (score: 1)
Author: (David B. Ritchie)
Date: Wed, 4 Mar 1998 15:12:28 -0800 (PST)
Hi Dick! According to Ray Heaton -- three feet max! '73 Dave N7UE David B. Ritchie, Esq. D'Alessandro & Ritchie, P.C. Intellectual Property Lawyers 1731 Technology Drive, Suite 700, San Jose, CA 9511
/archives//html/Amps/1998-03/msg00054.html (10,615 bytes)

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