New design of T-type power divider network in microstrip technology for C-band downlink

Ochoa, Sebastian; Haro-Baez, Raul; Vizcaíno, Iván P.; Benítez, Diego S.

doi:10.1109/urucon.2017.8171655

2017 Ieee Urucon 2017

DOI: 10.1109/urucon.2017.8171655

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New design of T-type power divider network in microstrip technology for C-band downlink

Sebastian Ochoa

Raul Haro-Baez

Iván P. Vizcaíno

et al.

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2020

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A new design strategy for bandwidth and efficiency enhancement in KA band CMOS power amplifier

Darestani

Tavakoli

Amiri

2020

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Purpose The purpose of this paper is to propose a new design strategy to enhance the bandwidth and efficiency of the power amplifier. Design/methodology/approach To realize the introduced design strategy, a power amplifier was designed using TSMC CMOS 0.18um technology for operating in the Ka-band, i.e. the frequency range of 26.5-40 GHz. To design the power amplifier, first, a power divider (PD) with a very wide bandwidth, i.e. 1-40 GHz, was designed to cover the whole Ka-band. The designed Doherty power amplifier consisted of two different amplification paths called main and auxiliary. To amplify the signal in each of the two pathways, a cascade distributed power amplifier was used. The main reason for combining the distributed structure and cascade structure was to increase the gain and linearity of the power amplifier. Findings Measurements results for designed power dividers are in good agreement with simulations results. The simulation results for the introduced structure of the power amplifier indicated that the gain of the proposed power amplifier at the frequency of 26-35 GHz was more than 30 dB. The diagram of return loss at the input and output of the power amplifier in the whole Ka-band was less than −8dB. The maximum power-added efficiency (PAE) of the designed power amplifier was 80%. The output P1dB of the introduced structure was 36 dB and the output power of the power amplifier was 36 dBm. Finally, the IP3 value of the power amplifier was about 17 dB. Originality/value The strategy presented in this paper is based on the usage of Doherty and distributed structures and a new wideband power divider to benefit from their advantages simultaneously.

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A new design strategy for bandwidth and efficiency enhancement in KA band CMOS power amplifier

Darestani

Tavakoli

Amiri

2020

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New design of T-type power divider network in microstrip technology for C-band downlink

Cited by 1 publication

References 1 publication

A new design strategy for bandwidth and efficiency enhancement in KA band CMOS power amplifier

A new design strategy for bandwidth and efficiency enhancement in KA band CMOS power amplifier

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