Publication

A low-power CMOS super-regenerative receiver at 1 GHz

Catherine Dehollain, Michel Declercq
2001
Journal Articles

Abstract

A low-power and low-voltage super-regenerative receiver operating at 1 GHz and implemented in a 0.35-μm CMOS process is described. The receiver includes an low-noise amplifier, a super-regenerative oscillator, an envelope detector, an AGC circuitry with sample/hold function, and a baseband amplifier. The die surface is equal to 0.25 mm2. The power consumption is less than 1.2 mW at VDD = 1.5 V. A 100-KHz saw tooth quench signal is used to achieve a rejection of -36 dB at 500 KHz from the central frequency.

Official source

https://infoscience.epfl.ch/entities/publication/68a67edb-6c24-4d27-8ba7-75a030d81954

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Catherine Dehollain, Michel Declercq
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/68a67edb-6c24-4d27-8ba7-75a030d81954

About this result

Related concepts (31)

Superheterodyne receiver

A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carrier frequency. It was long believed to have been invented by US engineer Edwin Armstrong, but after some controversy the earliest patent for the invention is now credited to French radio engineer and radio manufacturer Lucien Lévy. Virtually all modern radio receivers use the superheterodyne principle.

Heterodyne

A heterodyne is a signal frequency that is created by combining or mixing two other frequencies using a signal processing technique called heterodyning, which was invented by Canadian inventor-engineer Reginald Fessenden. Heterodyning is used to shift signals from one frequency range into another, and is also involved in the processes of modulation and demodulation. The two input frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer.

Low-noise amplifier

A low-noise amplifier (LNA) is an electronic component that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio (SNR). Any electronic amplifier will increase the power of both the signal and the noise present at its input, but the amplifier will also introduce some additional noise. LNAs are designed to minimize that additional noise, by choosing special components, operating points, and circuit topologies. Minimizing additional noise must balance with other design goals such as power gain and impedance matching.

Related publications (4)

A low-power CMOS super-regenerative receiver at 1 GHz

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