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Bukitoo 17th March 2004 12:53 PM

Hi !!!
I just want to know some precautions in a design of an amplifier about noise reduction !
Thanks !

Frank Berry 17th March 2004 01:00 PM

Noise within an amplifier can come from many sources.
You can minimize noise by paying close attention to the following:

1. Adequate Power Supply filtering.
2. Proper grounding techniques.
3. Proper signal routing.
4. The use of shielded cables where necessary.
5. Using a well shielded enclosure.

Anything else anyone?

Christer 17th March 2004 02:37 PM

If it is a low-level application like a phono amp it is also important
to choose low-noise components at critical places. Low-noise
BJTs/JFETs/op-amps, and low-value resistors etc.

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