6-kΩ 43-Gb/s differential transimpedance-limiting amplifier with auto-zero feedback and high dynamic range

A high-gain, 43-Gb/s InP HBT transimpedance-limiting amplifier (TIALA) with 100-muA/pp/ sensitivity and 6 mA/pp/ input overload current is presented. The circuit also operates as a limiting amplifier with 40-dB differential gain, better than 15-dB input return loss, and a record-breaking sensitivity...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2004-10, Vol.39 (10), p.1680-1689
Hauptverfasser:	TRAN, Hai, PERA, Florin, MCPHERSON, Douglas S, VIOREL, Dorin, VOINIGESCU, Sorin P
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied sciences Circuit properties Circuits Constraining Consumption Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Feedback Gain Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Monitors Slicing
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Beschreibung
Zusammenfassung:	A high-gain, 43-Gb/s InP HBT transimpedance-limiting amplifier (TIALA) with 100-muA/pp/ sensitivity and 6 mA/pp/ input overload current is presented. The circuit also operates as a limiting amplifier with 40-dB differential gain, better than 15-dB input return loss, and a record-breaking sensitivity of 8 mV/pp/ at 43 Gb/s. It features a differential TIA stage with inductive noise suppression in the feedback network and consumes less than 450mW from a single 3.3-V supply. The TIALA has 6-k/Omega/ (76dB/Omega/) differential transimpedance gain and 35-GHz bandwidth and comprises the transimpedance and limiting gain functions, an auto-zero dc feedback circuit, signal level monitor, and slicing level adjust functions. Other important features include 45-dB isolation and 800-mV/pp/ differential output.
ISSN:	0018-9200 1558-173X
DOI:	10.1109/JSSC.2004.833547