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Chip Amps Amplifiers based on integrated circuits

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Old 12th May 2008, 09:02 AM   #1
digi01 is offline digi01  China
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Smile catwalk and igc

there are kinds of 3.5mm jack output source on my desk(mp3 player,fm radio and pc sound card) and i want a handy preamp to connect the source and gc amp.i design this small passive preamp,named catwalk

Zang
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Old 12th May 2008, 09:14 AM   #2
digi01 is offline digi01  China
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working with pc sound card and lm3886igc.
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Old 13th May 2008, 01:51 AM   #3
digi01 is offline digi01  China
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another one,it was including impedance matching (phone to line) and HPF filter.
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Old 13th May 2008, 01:55 AM   #4
digi01 is offline digi01  China
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i use quality components and smt wiring
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Old 21st May 2008, 02:38 AM   #5
digi01 is offline digi01  China
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for someone ask for the sch.here you go.

zang
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