From: Jim Thompson
Subject: Re: 'Current Dumping' Amplifier Circuits ?
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Date: Mon, 02 Dec 2002 22:36:14 GMT
NNTP-Posting-Date: Mon, 02 Dec 2002 17:36:14 EST
Organization: Cox Communications
On 2 Dec 2002 03:06:28 -0800,
email@example.com (Jorge Omar),
In Newsgroup: sci.electronics.design,
Entitled: "Re: 'Current Dumping' Amplifier Circuits ?",
Wrote the following:
|1 - it works.
|2 - it's a Maxwell bridge, and you have to balance all the arms of it
|to be really effective;
|3 - Patents have expired, and AFAIK no other manufacturer has used it,
|so maybe it is not so advantageous;
|4 - I feel QUAD's implementation is not really optimized (too little
|power in the class A stage, bridge underbalanced);
|6 - It still needs lots of NFB;
|5 - Never built one - just did Spice simms.
|"HG" wrote in message news:<firstname.lastname@example.org>...
|> Any comments on the pro's and con's of 'Current Dumping' circuits (designed
|> by Peter Walker & (I think) Mike Albinson), as used in most Quad power
|> amplifiers since the 405?
I'm having trouble visualizing this circuit. (Must have been before
my time ;-)
Does anyone have schematics or a URL?
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
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