Temperature compensation? it´s so easy (hybrid MIC temperature-controlled attenuation)

Author

Maoz, B.

Author_Institution

Tachonics Corp., Plainsboro, NJ, USA

fYear

1988

fDate

6-9 Nov. 1988

Firstpage

277

Lastpage

280

Abstract

A temperature-controlled attenuator is demonstrated that can be utilized in applications such as compensating the temperature dependence of the gain of solid-state amplifiers. The attenuator is realized as a compact hybrid-circuit, the heart of which is a novel linear GaAs MMIC (monolithic microwave integrated circuit) attenuator chip. As a result of the attenuation of the chip being a linear function of its control voltage, the design of such compensation circuits is greatly simplified. The circuit described here is capable of providing up to 12 dB of gain compensation over -55 to +12 degrees C. The useful frequency range of circuits based on this attenuator is practically from DC to 10 GHz using only one circuit. The accuracy of the attenuation versus temperature can be made better than 5%.<>

Keywords

amplifiers; attenuators; automatic gain control; compensation; hybrid integrated circuits; microwave integrated circuits; -55 to 12 degC; 0 to 10 GHz; 12 dB; AGC; MIC; compact hybrid-circuit; compensation circuits; gain compensation; linear GaAs MMIC; microwave integrated circuit; solid-state amplifiers; temperature-controlled attenuator; Attenuation; Attenuators; Gallium arsenide; Heart; Hybrid integrated circuits; MMICs; Microwave integrated circuits; Monolithic integrated circuits; Solid state circuits; Temperature dependence;

fLanguage

English

Publisher

ieee

Conference_Titel

Gallium Arsenide Integrated Circuit (GaAs IC) Symposium, 1988. Technical Digest 1988., 10th Annual IEEE

Conference_Location

Nashville, Tennessee, USA

Type

conf

DOI

10.1109/GAAS.1988.11075

Filename

11075