This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
INTEGRATED CIRCUITS
AN1940
Using the Philips Semiconductors
NE5900 call-progress decoder
Author: Carl K. Fenger
Additions/changes: Nicholas C. Gray
Philips
Semiconductors
1991 Dec
Ph