Design of Automatic Level Control for Microwave Signal Source

Song Li; Tai Li Bai; Yao Han

doi:10.4028/www.scientific.net/AMM.226-228.2009

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 226-228Design of Automatic Level Control for Microwave...

Design of Automatic Level Control for Microwave Signal Source

Abstract:

The performance of the automatic level control（ALC） system determines the stability of the microwave signal source output power, accuracy and linear flatness in each frequency range, directly determining the signal generator power characteristic indicators. This paper gives an implementation of a high-performance feed-forward ALC circuit, the negative feedback loop consists of the power detector circuit, logarithmic amplifier, the integral hold circuit, attenuator driving circuit, PIN attenuation circuit and so on.

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Periodical:

Applied Mechanics and Materials (Volumes 226-228)

Pages:

2009-2013

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.226-228.2009

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Online since:

November 2012

Authors:

Song Li, Tai Li Bai, Yao Han

Keywords:

AlC, Detector, Logarithmic Amplifier, PIN Attenuation Circuit, Power Divider

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References

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