An Analog Receiver Designing of 55-65MHz Band Radio Astronomy Observation

Dong Liang; Jiang Tao; Zhou Shaohong; Wang Min; Liu Junqing; Guo Shaojie

Astronomical Research and Technology > 2017 > 14(2): 157-163.

Dong Liang, Jiang Tao, Zhou Shaohong, Wang Min, Liu Junqing, Guo Shaojie. An Analog Receiver Designing of 55-65MHz Band Radio Astronomy Observation[J]. Astronomical Research and Technology, 2017, 14(2): 157-163.

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An Analog Receiver Designing of 55-65MHz Band Radio Astronomy Observation

1. Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China;
2. Yunnan University-Yunnan Observatories Information Technology United Laboratory, Kunming 650001, China;
3. Information College of Yunnan University, Kunming 650001, China;
4. The School of Physics and Electronic Information Technology, Yunnan Normal University, Kunming 650092, China

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Received Date: May 17, 2016
Revised Date: July 01, 2016
Available Online: November 20, 2023

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Abstract

Abstract

The Ground-based antenna arrays are important radio observation instruments in low (Very High Frequency) band, but in this band, the observations have to face the bad radio environments and the high sky temperature. In this paper, we introduce a new kind of analog receiver working in low band based on the MMIC (Microwave Monolithic Integrated Circuit) chips. This receiver consists of primary band pass filter, primary amplifier, secondary band pass filter, 180 degree phase shifter and two secondary primary amplifiers. Based on the radio environment testing results in the Yunnan observation site, this analog receiver achieves band passing and amplifying for the observation band from 55-65MHz, and this receiver's system noise temperature is nearly 320K, the gain is nearly 63dB. At the same time, as a part of the Chinese low frequency band observation net, based on the MMIC technologies, this receiver has smaller volume, lower price and is easy to copy.
- Low frequency band,
- MMIC chips,
- Analog receiver

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References (9)

References

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