S/PDIF to AES3
Adapter to convert S/PDIF to AES3.
| Input | Output | |
|---|---|---|
| Signal | S/PDIF | AES3 |
| Type | Unbalanced | Balanced |
| Connector | Phono | XLR-3 |
| Impedance | 75 Ω | 110 Ω |
| Minimum required signal | 0.165 Vp-p | 0.200 Vp-p |
Passive circuit
Active circuit
_
5 volt | \
SPDIF out: | -| O-
_ --4,7k- | |_/ |
diode ^ | _ | _ | _ |
10 u ( ) | | | \ | | \ | | \ | 100 n
O-- -- -||- -------- - -| O-- -- -| O- -| O- -120 r-||- ---- -- 2
| | | | |_/ | | |_/ |_/ | |
| -||- 100n _ 2,2k | 1 k |
75r ^ diode | | IC | | AES in
| | --- | --- |
--- --- | _ 220r
| | \ 100 n |
-- ---| O--- --120 r-||- --- --- 3
Diode = 1N914 or 1N4148 | |_/ | |
| _ | 1 k --- 1
| | \ | | |
IC = 74HC04 or CMOS 4049 ---| O--- --- ---
|_/
See also
Contributor
Sources
- RaneNote 149: Interfacing AES3 & S/PDIF by Dennis Bohn (Rane Corporation)
- Usenet posting by Fred Peng in tw.bbs.rec.audiophile