[sdiy] ISD1000A Family Voice record/playback IC manual
Scott Stites
scottnoanh at peoplepc.com
Tue Nov 26 16:25:44 CET 2002
Hi all,
I've come into possession of a 69 page soft bound book called "Application Notes
and Design Manual - ISD1000A Family of Single-Chip Voice Record/Playback
Devices", dated 1992. I've seen this chip for sale at Radio Shack before and
have often wondered if it would provide a neat app for modular synthesis. But,
frankly, I have so many projects on the table, I'd be lucky if I ever rolled
around to it before senility sets in (even more).
So - is there anyone that has the chip and is interested in this doc? It's
pretty impressive, lots of schemo's, etc. Even a layout for a two-sided single
chip demo board.
If interested, please contact me off-list, and I'll drop it in the mail for you
(no charge - it didn't cost me anything).
Circuits contained in manual:
Minimum Playback Only
Simplest Playback/Record
Low Power Playback Only
Low Power Playback/Record
Operational Mode Looping
Power Down Initiated Looping
Chip Enable Initiated Looping
1 Minute Cascade using the ISD1020A (requires three devices)
Push Button 4 Memory Playback (ISD1020A)
Radio Notepad
Talking Ohmmeter
Expander Circuit for Improved Noise Performance (uses NE575)
Single Chip Demo Board
Scott
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