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TV chips are not (usually) Hi-Fi parts!

Ioannis

Both chips look nice although MPC507A does not refer any distortion in audio range.

But I think the relay solution gives much better results in whole (crosstalk, distortion etc).

Ioannis

Hi abidr,

nice project with the PGA device.

As I am lacking inputs for the many audio sources I have now (Mini disks, CD players, tuners, Tape cassete recorders, Phono, Pc, Mac etc) I need a...

The mono-stereo is a main concern. You may use another version of the same chip or two of them. What bothers me is the quality of the chip on audio content. It seems from the specs that is good for...

It looks like the people assembling that great radio, really liked what they were doing!

Imagine to have a production of this thing made by bare hands!

Hmm, it has higher THD and is controlled by analog voltage. So a DAC is really needed. More noise source and more difficult PCB. I can assure you Steve, it is a HI-FI device. I am high fidelist...

Have a look at:

PGA2310, PGA2320, PGA 2311, PGA4311

http://focus.ti.com/docs/prod/folders/print/pga2310.html
http://focus.ti.com/docs/prod/folders/print/pga2311.html...