jgross@... wrote:
From: jgross@...
HEY! It's tax time, and I'm digging through stuff, and what do I find?
a 2200 Schematic sent to me about 3 years ago in the mail. One page is
the Amplifier (one channel shown only), the next page is the LED Meters,
and the 3rd page is the power supply config. WOW! Someone even marked it
up with the replacement semiconductors.
My question... Is the 2200 schematic similar to the 2201 Amp I own?
What's the differences if any (besides cosmetics).
I do not know myself. I know from what James said, that the circuits
generally stayed the same. I do not have my SAE spec info with me, but I
think the THD spec of the 2201 is like 0.03%. I do not think it is below
0.01%. If its 0.03%, it simply may be more of a biasing and feedback
issue. I would know a little more by looking at the schematic and
feedback design. The other clues can be found in a service manual which
would talk about the proper biasing values which is also a clue.
Would you be interested in selling me a copy of the schematic?
James, how do you think SAE reduced THD in the later models.
Best Regards,
Mark Gurries
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Battery Charging and Power Systems Application Engineer
Linear Technology,1630 McCarthy Blvd, Milpitas, CA, 95035
WRK(408) 954-8400 x3864 Email: gurriesm@...
FAX(408) 428-9413 WebSite:
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