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A 500-MHz and 60-dBΩ CMOS Transimpedance Amplifier Using the New Feedforward Stabilization Technique
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
TIA, feedforward, CMOS, wideband,
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This paper describes a method of extending the signal frequency bandwidth while increasing the stability of a CMOS transimpedance amplifier (TIA). The TIA consists of three inverting amplifiers in a series, and a high-pass filter plus a non-inverting amplifier that are connected to the last two inverting amplifiers stated above in parallel. The TIA is fabricated using a 0.35 µm CMOS process and realizes stable conversion of 60-dBΩ from the photodiode current to the output voltage with more than 500 MHz of signal frequency bandwidth and 60 mW of power consumption from a 3.3 V supply voltage.