A fully integrated high-performance FM stereo decoder

Author

Manlove, Gregory J. ; Marrah, Jeffrey J. ; Kennedy, Richard A.

Author_Institution

Delco Electron. Corp., Kokomo, IN, USA

Volume

27

Issue

3

fYear

1992

fDate

3/1/1992 12:00:00 AM

Firstpage

343

Lastpage

350

Abstract

A custom FM stereo decoder IC which uses switched-capacitor and linear filters, linear MOS and bipolar circuitry, and digital MOS circuitry to eliminate the requirements for accurate external components and external adjustments is described. The IC includes a combined analog/digital VCO and PLL, a switched-capacitor sine-wave multiplier, and a switched-capacitor pilot detector and cancellation stage. An output S/N ratio greater than 80 dB and output distortion less than 0.1% have been achieved. The part is 26000 mils² and is implemented in a 3 μm n-well CMOS process containing poly-to-poly capacitors, n-p-n´s, and ion-implanted poly resistors

Keywords

CMOS integrated circuits; Hi-Fi equipment; decoding; frequency modulation; 3 micron; 80 dB; FM stereo decoder; PLL; bipolar circuitry; cancellation stage; combined analog/digital VCO; custom IC; digital MOS circuitry; linear MOS circuitry; linear filters; n-well CMOS process; pilot detector; sine-wave multiplier; switched-capacitor; Analog integrated circuits; Bipolar integrated circuits; Decoding; Detectors; Digital filters; Digital integrated circuits; Nonlinear filters; Phase locked loops; Switching circuits; Voltage-controlled oscillators;

fLanguage

English

Journal_Title

Solid-State Circuits, IEEE Journal of

Publisher

ieee

ISSN

0018-9200

Type

jour

DOI

10.1109/4.121556

Filename

121556