A Novel Linearization Method of CMOS Drive Amplifier Using IMD Canceller

A Novel Linearization Method of CMOS Drive Amplifier Using IMD Canceller

A novel linearization method for CMOS drive amplifier using intermodulation distortion (IMD) canceller is presented. The IMD cancellation method is composed of a cascode main amplifier and a common-source IMD canceller. The additional common-source amplifier generates IMD3 signals with 180deg phase...

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Veröffentlicht in:IEEE microwave and wireless components letters 2009-10, Vol.19 (10), p.671-673
Hauptverfasser: Kim, D.-G., Hong, N P, Choi, Y.-W.
Format: Artikel
Sprache:eng
Schlagworte:
Amplifiers
Applied sciences
Cancellation
Cancellers
Cascode amplifier
Character generation
Circuit properties
Circuits
CMOS
CMOS process
common source amplifier
complementary metal oxide semiconductor (CMOS)
Design. Technologies. Operation analysis. Testing
drive amplifier (DA)
Drives
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
FETs
Integrated circuits
Intermodulation distortion
intermodulation distortion (IMD) cancellation
Linearity
Linearization
Microwaves
Noise levels
Radiofrequency amplifiers
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Semiconductor optical amplifiers
Signal generators
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Zusammenfassung:A novel linearization method for CMOS drive amplifier using intermodulation distortion (IMD) canceller is presented. The IMD cancellation method is composed of a cascode main amplifier and a common-source IMD canceller. The additional common-source amplifier generates IMD3 signals with 180deg phase difference against the IMD3 of the cascode main amplifier. The linear drive amplifier is designed and fabricated by CMOS 0.18 mum process. The output IP 3 of +13 dBm is achieved with the power gain of +11.6 dB, the output P 1 dB of + 5.5 dBm, and the power-added efficiency of 21%.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2009.2029759