Title :
A switched capacitor bandsplit filter using double polysilicon oxide isolated CMOS
Author :
Foxall, T. ; Whitbread, R. ; Sellars, L. ; Aitken, Ashley ; Morris, Jesse
Author_Institution :
Mitel Semiconductor, Kanata, Canada
Abstract :
This paper will describe a bandsplit filter IC, with the chip containing two bandpass filters, Schmitt input comparators and necessary clock logic to perform front end functions of a DTMF receiver.
Keywords :
Band pass filters; Capacitors; Clocks; Decoding; Feedback; Frequency; Lifting equipment; Low pass filters; Pulse circuits; Solid state circuits;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1980 IEEE International
Conference_Location :
San Francisco, CA, USA
DOI :
10.1109/ISSCC.1980.1156067
