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A W-Band Amplifier With a New Wide-Band Interstage Matching Technique Using Self-Resonance of a Microstrip-Coupled Line | IEEE Journals & Magazine | IEEE Xplore

A W-Band Amplifier With a New Wide-Band Interstage Matching Technique Using Self-Resonance of a Microstrip-Coupled Line


Photograph of the fabricated W-band amplifier MMIC with a new wide-Band interstage matching technique using self-resonance of a microstrip-coupled line.

Abstract:

A new interstage matching technique is presented for design of a wide-band multi-stage amplifier using commercial 60 nm GaN-on-silicon technology in the W-band. The propo...Show More

Abstract:

A new interstage matching technique is presented for design of a wide-band multi-stage amplifier using commercial 60 nm GaN-on-silicon technology in the W-band. The proposed interstage matching network is designed as a two-pole conjugated impedance matching approach for wideband characteristics using low-characteristic impedance transmission lines and an optimized microstrip-coupled line. In particular, the microstrip-coupled line provides strong resonance at the desired frequency, enabling optimal conjugate impedance matching of both edge and intermediate frequencies simultaneously. The implemented W-band three-stage amplifier using the proposed interstage matching technique exhibited a small-signal gain above 14.1 dB from 75 to 103 GHz. Also, the output power between 92-100 GHz was greater than 25 dBm, and the maximum output power at 96 GHz was 25.8 dBm. The W-band amplifier was designed with an area of 2 mm \times1.2 mm.
Photograph of the fabricated W-band amplifier MMIC with a new wide-Band interstage matching technique using self-resonance of a microstrip-coupled line.
Published in: IEEE Access ( Volume: 10)
Page(s): 93894 - 93900
Date of Publication: 31 August 2022
Electronic ISSN: 2169-3536

Funding Agency:


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