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Re: CONtrol of ELectronic RADiation

To: Shawn Mamros <mamros@MIT.EDU>
Subject: Re: CONtrol of ELectronic RADiation
From: umar@nerodia.wcrb.com
Date: Fri, 27 Oct 2000 17:35:25 -0400 (EDT)
cc: Bill Piacentini <billpi@ll.mit.edu>, boston-radio-interest@bostonradio.org
In-Reply-To: <200010271224.IAA05478@biohazard-cafe.mit.edu>
Sender: owner-boston-radio-interest@bostonradio.org



On Fri, 27 Oct 2000, Shawn Mamros wrote:

> A & B batteries?  So they didn't skip over those two letters, after all! :-)

In a tube amplifier circuit, the battery that supplies the grid bias
voltage is called the 'A' battery, and the battery that supplies the
voltage on the plate of the tube is called the 'B' battery. 

The term 'B+' is still used for plate or collector voltage today.


Rob Landry
umar@nerodia.wcrb.com

References:
- Re: CONtrol of ELectronic RADiation
  - From: Shawn Mamros <mamros@MIT.EDU>

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