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http://dx.doi.org/10.5515/KJKIEES.2016.27.1.42

Design and Fabrication of a C-Band Delay Line Instantaneous Frequency Measurement Receiver with Offset Voltage Compensation  

Jeon, Moon-Su (Department of Radio Science and Engineering, Chungnam National University)
Jeon, Yeo-Ok (Department of Radio Science and Engineering, Chungnam National University)
Seo, Won-Gu (Department of Radio Science and Engineering, Chungnam National University)
Bae, Kyung-Tae (Department of Radio Science and Engineering, Chungnam National University)
Kim, Dong-Wook (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.27, no.1, 2016 , pp. 42-49 More about this Journal
Abstract
In this paper, we design and fabricate an instantaneous frequency measurement receiver with a frequency resolution of 125 MHz which detects and measures continuous signals in 4~6 GHz using path difference of delay lines. The receiver has a 4-bit configuration and consists of power dividers, delay lines, power combiners, power detectors, voltage comparator circuits and so on. The accuracy of the instantaneous frequency measurement is improved by applying offset voltage compensation to the comparator circuits to compensate the frequency-dependent path loss of the delay line and the frequency dependence of power detection.
Keywords
Instantaneous Frequency Measurement; Delay Line; C-band; Offset Voltage Compensation;
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