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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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1st Feb 2008, 4:50 pm | #21 | |
Retired Dormant Member
Join Date: Mar 2006
Location: Sheffield, South Yorkshire, UK.
Posts: 1,587
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Re: Pentodes as grounded-grid RF amps?
Quote:
mike |
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1st Feb 2008, 5:17 pm | #22 | |
Retired Dormant Member
Join Date: Aug 2005
Location: Keyworth nr. Nottingham, UK
Posts: 140
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Re: Pentodes as grounded-grid RF amps?
Quote:
" Input signal is 180 degrees out of phase with the output signal, virtually eliminating the potential for self-oscillation and tube take-off." :- when discussing grounded-grid circuits, is really scoring a classic own goal! Cheers, Neil |
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1st Feb 2008, 5:47 pm | #23 |
Retired Dormant Member
Join Date: Dec 2003
Location: North London, UK.
Posts: 6,168
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Re: Pentodes as grounded-grid RF amps?
You're right. I didn't spot that. It's just possible that it's a poor translation for the author's first language is clearly not English.
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3rd Feb 2008, 12:43 pm | #24 |
Retired Dormant Member
Join Date: Mar 2006
Location: Sheffield, South Yorkshire, UK.
Posts: 1,587
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Re: Pentodes as grounded-grid RF amps?
Positive feedback leads to oscillation not negative...Yes?
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