A Millimeter-Wave Circuit Technique

An inductive feedback technique increases the speed of resonant circuits by 62%, allowing operation near the fT of transistors. The technique leads to a fundamental oscillator operating at 128 GHz with a power dissipation of 9 mW and a phase noise of -105 dBc/Hz at 10-MHz offset. A divide-by-two cir...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2008-09, Vol.43 (9), p.2090-2098, Article 2090
1. Verfasser:	Razavi, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties CMOS technology Design. Technologies. Operation analysis. Testing Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency conversion High-speed frequency dividers inductive feedback Inductors Integrated circuits LC oscillators Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Miller divider Millimeter wave circuits Millimeter wave radar Millimeter wave technology Millimeter wave transistors millimeter-wave amplifiers millimeter-wave oscillators Oscillators passive mixers RLC circuits Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors Transistors Voltage
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Zusammenfassung:	An inductive feedback technique increases the speed of resonant circuits by 62%, allowing operation near the fT of transistors. The technique leads to a fundamental oscillator operating at 128 GHz with a power dissipation of 9 mW and a phase noise of -105 dBc/Hz at 10-MHz offset. A divide-by-two circuit based on the idea and incorporating a sampling mixer achieves a maximum speed of 125 GHz while consuming 10.5 mW. The prototypes have been fabricated in 90-nm CMOS technology.
ISSN:	0018-9200 1558-173X
DOI:	10.1109/JSSC.2008.2001878