PCM2706 USB Sound Card | Electronic Schematic Diagram
USB sound card - Share Project - PCBWay
USB Sound Card with PCM2702 - Electronics-Lab.com
Instructions, schematic, and notes on the DRA-30 USB Radio Adapter - by Masters Communications
usb - Line out bias on sound card output - Electrical Engineering Stack Exchange
A Simplified USB Sound FOB Modification
USB Sound Card Hack
Soundcard Interface
Mare & Gal Electronics » Blog Archive » Tiny, isolated USB to Xcvr interface (PTT, Audio, CAT, …)
USB audio dongle with PCM2912
Schematics USB Sound Card with PCM2702 PCB under Repository-circuits -36264- : Next.gr
USB Sound Card with PCM2702 - Electronics-Lab.com
Make a Sound Card with PCM2704
Circuit-Zone.com - Electronic Kits, Electronic Projects, Electronic Schematics, DIY Electronics
USB audio dongle with PCM2912
USB Sound Card Hack
Pinout Diagrams for the PCM2704 and 3D Sound(COB) USB Sound Card Adapters - tinkerBOY
Soundcard Interface
The Sound Card, Heart of Digitial Operation - Nashua Area Radio Society
USB Sound Card with PCM2702
USB VOX 1.00 - USB SOUND CARD VOX COMBO - Ankara Telsiz ve Radyo Amatörleri Kulübü Derneği
Build this Simple but amazing USB Audio interface for only $5 - Tataylino.com
Adapting a USB sound card to work with a studio condenser mic
JEDAC - yet another take on a DIY high-end USB Audio DAC
