44 pJ/bit energy-efficiency K-band OOK transmitter for wireless sensor networks

Kuan Hsiu Chien, Hwann Kaeo Chiou

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A high energy-efficiency K-band on-off keying (OOK) transmitter in tsmc 90 nm CMOS technology is presented. The transmitter consists of a wideband voltage control oscillator (VCO), a frequency doubler and a switch-type power amplifier with a chip area of 0.6 × 0.92 mm2. The VCO adopts a parasitic capacitance reduction technique to enhance the tuning range to 20.5%. The designed transmitter achieves an output power of 3 dBm with a 500 Mbit/s data rate from 19 to 23.1 GHz at 22.3 mW power consumption. The correspondent energy-efficiency is 44 pJ/bit.

Original languageEnglish
Pages (from-to)1207-1209
Number of pages3
JournalElectronics Letters
Volume51
Issue number15
DOIs
StatePublished - 23 Jul 2015

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