catwalk and igc

[digi01]

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

 

[digi01]

working with pc sound card and lm3886igc.

 

[digi01]

another one,it was including impedance matching (phone to line) and HPF filter.

 

[digi01]

i use quality components and smt wiring

 

[digi01]

for someone ask for the sch.here you go.

zang