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A CMOS 135–150 GHz 0.4 dBm EIRP transmitter with 5.1dB P1dB extension using IF envelope feed-forward gain compensation

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11 Author(s)
Tang, A. ; Univ. of California, Los Angeles, Los Angeles, CA, USA ; Murphy, D. ; Hsiao, F. ; Gu, Q.J.
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A CMOS D-band 135-150 GHz transmitter is presented with integrated digital control and on-chip antenna. The proposed transmitter employs an IF feed-forward compensation scheme which improves the soft gain compression of the power amplifier by 5.1dB to provide an overall more linear AM-AM profile allowing reduced power back-off for modulation schemes with a high peak-to-average ratio. The proposed D-band transmitter consumes 255mW and occupies 2000 × 1500 um of silicon area. The proposed transmitter delivers a 0.4 dBm EIRP and a saturated power on chip of 13.2 dBm. The transmitter has a peak PAE of 8.2% with power delivered to the antenna and a peak PAE of 0.4% when considering radiated power.

Published in:

Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International

Date of Conference:

17-22 June 2012