A low-power FSK modulator/demodulator for an MICS band transceiver

Ahmet Tekin, Mehmet R. Yuce, Javad Shabani, Wentai Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Abstract

This paper presents a low-power FSK (Frequency Shift Keying) modulator/demodulator. It supports a data rate of 20 kb/s and uses a phase interpolating clock recovery circuit that forces the rising edge of the clock track the demodulated data precisely. In the transmitter side, the base-band data directly modulate four stage differential ring VCO (Voltage Controlled Oscillator) with an FSK tone frequency of 80 kHz fitting into one of ten 300-kHz channels allocated at the new 402-405 MHz MICS (Medical Implant Communication Services) band. The designs are implemented in a 0.18-μm CMOS process. The all digital demodulator circuits consume only 33.41 μA current from a 1.5-V supply.

Original languageEnglish
Title of host publicationProceedings - 2006 IEEE Radio and Wireless Symposium
Pages159-162
Number of pages4
Publication statusPublished - 2006
Event2006 IEEE Radio and Wireless Symposium - San Diego, CA, United States
Duration: 2006 Jan 172006 Jan 19

Publication series

NameProceedings - 2006 IEEE Radio and Wireless Symposium
Volume2006

Conference

Conference2006 IEEE Radio and Wireless Symposium
Country/TerritoryUnited States
CitySan Diego, CA
Period06-01-1706-01-19

All Science Journal Classification (ASJC) codes

  • General Engineering

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