Updated information:
case is very small (mint tin)
output will feed portable unbalanced recorders ~10k-20k input impedance
6 balanced mic pres using that1580/5171 chipset with rfduino spi control and android bluetooth phone app for the control interface
Left,Center,Rightdedicated physical switched pans on each channel card.
external dctransformer wall wart p/s nominal ~ 9-15Vin
onboard +-15v supply: ltm8049 micromodule regulated with tps7a47 and lt3015-15
48v supply: lt8330 regulated with lt3012, switchable phantom on each channel
3.3v digital logic supply: lt1763-3.3 regulated from Vin
stereo master card with 3 way switch for gain control: 6,12,18dB, unblanced stereo out.
case is very small (mint tin)
output will feed portable unbalanced recorders ~10k-20k input impedance
6 balanced mic pres using that1580/5171 chipset with rfduino spi control and android bluetooth phone app for the control interface
Left,Center,Right
external dc
onboard +-15v supply: ltm8049 micromodule regulated with tps7a47 and lt3015-15
48v supply: lt8330 regulated with lt3012, switchable phantom on each channel
3.3v digital logic supply: lt1763-3.3 regulated from Vin
stereo master card with 3 way switch for gain control: 6,12,18dB, unblanced stereo out.