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2. C-band Transmit Receive Calibration Module for Radar applications with High Power Handling

Author

Neeraj Kumar, M V Harikrishna, and Asmita Singhal

Subjects
Physics, C band, business.industry, 020208 electrical & electronic engineering, RF power amplifier, Electrical engineering, 020206 networking & telecommunications, 02 engineering and technology, law.invention, law, 0202 electrical engineering, electronic engineering, information engineering, Range (statistics), Calibration, Insertion loss, Power handling, Radio frequency, Radar, business
Abstract

This paper presents the design and development of a C-band Transmit (Tx) Receive (Rx) Calibration (CAL) module. Module has been realized using multilayer cards with maximum RF power handling of 50 dBm. High isolation (60 dB minimum) between Tx and Rx mode is achieved by using additional switch in each of the paths. Realized module has insertion loss of 18 dB max in Tx mode and gain of 33 dB in Rx mode. Input and output return losses are better than 10 dB over entire specified frequency range. Module exhibits ±1.5 dB max variation in gain and insertion loss over temperature range of - 20°C to 55°C.

Published
2020

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