A 0.13 mu m CMOS UWB RF transmitter with an on-chip T/R switch

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This paper presents a fully integrated 0.13 mu m CMOS MB-OFDM UWB transmitter chain (mode 1). The proposed transmitter consists of a low-pass filter, a variable gain amplifier, a voltage-to-current converter, an I/Q up-mixer, a differential-to-single-ended converter, a driver amplifier, and a transmit/receive (T/R) switch. The proposed T/R switch shows an insertion loss of less than 1.5 dB and a Tx/Rx port isolation of more than 27 dB over a 3 GHz to 5 GHz frequency range. All RF/analog circuits have been designed to achieve high linearity and wide bandwidth. The proposed transmitter is implemented using IBM 0.13 mu m CMOS technology. The fabricated transmitter shows a -3 dB bandwidth of 550 MHz at each sub-band center frequency with gain flatness less than 1.5 dB. It also shows a power gain of 0.5 dB, a maximum output power level of 0 dBm, and output IP3 of +9.3 dBm. It consumes a total of 54 mA from a 1.5 V supply.
Publisher
ELECTRONICS TELECOMMUNICATIONS RESEARCH INST
Issue Date
2008-08
Language
English
Article Type
Article
Keywords

0.18-MU-M CMOS; TRANSCEIVER; FREQUENCY; SYSTEMS; DESIGN; BIQUAD

Citation

ETRI JOURNAL, v.30, pp.526 - 534

ISSN
1225-6463
URI
http://hdl.handle.net/10203/88825
Appears in Collection
EE-Journal Papers(저널논문)
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