Full band waveguide-to-microstrip probe transitions

Leong, Yoke Choy; Weinreb, S.

doi:10.1109/mwsym.1999.780219

Cited by 129 publications

(28 citation statements)

References 4 publications

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“…Several kinds of microstrip-towaveguide transitions have been proposed in the millimeter-wave band recently. E-plane probe transitions [1][2][3], vertical transitions [4] and the inline transitions with stepped waveguide height [5,6] are the most popular ones. Among these, the E-plane probe has been used extensively due to wideband performance and modular simplicity.…”

Section: Introductionmentioning

confidence: 99%

Novel Low-Loss Millimeter-Wave Transition From Waveguide-to-Microstrip Line Suitable for MMIC Integration and Packaging

Zaman

Vassilev

Zirath

et al. 2017

IEEE Microw. Wireless Compon. Lett.

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Abstract-This paper presents a unique low loss transition from microstrip to full height rectangular waveguide at W-band. This microstrip transition can be made as a part of the mm-wave MMIC of arbitrary size and thus avoid the use of bond wires at the high frequency port of the MMIC circuit. As a result, the MMIC can be coupled directly to the waveguide. The working principle of the transition is based on electromagnetic coupling where the coupling between the microstrip mode and the TE 10 waveguide mode is achieved via a resonant cavity. A Perfect Magnetic Conductor (PMC) surface is placed over the cavity to facilitate smooth coupling of EM energy from the microstrip line to the cavity and then from the cavity to the waveguide. The PMC surface also suppresses the unwanted waveguide mode coupling to the oversized MMIC substrate. The measured back to back transition works over the frequency band 80-114 GHz (relative BW of 35%) with minimum return loss of 13.5dB. The total insertion loss of the manufactured prototype is found to be varying from 0.54-0.803 dB which implies a single transition loss of less than 0.27-0.4015 dB in W-band.

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Section: Introductionmentioning

confidence: 99%

Novel Low-Loss Millimeter-Wave Transition From Waveguide-to-Microstrip Line Suitable for MMIC Integration and Packaging

Zaman

Vassilev

Zirath

et al. 2017

IEEE Microw. Wireless Compon. Lett.

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“…The probe is extended from the center conductor of stripline, which is approximately quarter-wavelength away from the short-back of waveguide. Unlike the conventional microstrip-to-waveguide transition [13,14], the energy is coupled to the stripline in line with the propagation direction of waveguide and does not require cutting slot on waveguide wall (see Fig. 2).…”

Section: Transition Structure and Designmentioning

confidence: 99%

“…The stripline is placed close by one of the broad walls of waveguide and the two ground planes of the stripline are extended into the waveguide for field matching so that a broadband transition between stripline and waveguide can be achieved. Compared with the conventional microstrip-to-waveguide transition [13,14] (see Fig. 2), this in-line transition structure does not require waveguide bends or cutting slots/holes on waveguide walls.…”

Section: Introductionmentioning

confidence: 99%

Broadband stripline to rectangular waveguide transition

Dong

Yang

Liu

et al. 2015

IEICE Electron. Express

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In this work, a broadband stripline-to-rectangular waveguide transition is presented. It uses a rectangular-shaped probe to couple the energy from rectangular waveguide to stripline. The two ground planes of the stripline are extended for field matching of the transition. A back-to-back transition prototype at Ka-band is designed, fabricated and measured. The measured results show that the transition has less than 1.2 dB insertion loss and better than 15 dB return loss over the frequency range from 26.5 to 40 GHz. The 15 dB fractional bandwidth is increased from 11.6 to 41% compared with conventional stripline-to-waveguide transition. The measured results agree well with simulated ones.

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“…[3], [4] 를 이용하여 WR-28의 도파관 입구와 출구를 가지도록 하였다. 모듈의 앞 단에는 구동증 폭기로 TGA4522를 사용하여 전체 이득을 높여 주었 고, 두 번째 단에는 TGA4517을 동작시켜 출력 전력 을 확보하였다 [5] .…”

Section: ⅰ 서 론unclassified

A Ka-Band 8 W Power Amplifier Module Using 4-Way Waveguide Power Combiners with High Isolation

Shin¹,

Kim²,

Lee³

et al. 2012

The Journal of Korean Institute of Electromagnetic Engineering

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In this paper, a Ka-band 8 W power amplifier module with WR-28 waveguide input and output ports is implemented and measured using four 2 W power amplifier modules and 4:1 waveguide power combiners with high isolation of 25 dB at 35 GHz. The 2 W power amplifier modules are fabricated using waveguide-to-microstrip transitions and show output power of 32.5～33.3 dBm and power gain of 26.9～28.7 dB at 35 GHz. Four 2 W power amplifier modules are combined through 4:1 waveguide power combiners with resistive septum and the combined power shows 39.0 dBm(8 W) under 6 V drain bias and 39.6 dBm(9.1 W) under 6.5 V drain bias at 35 GHz. , 국내의 경우 최근에서야 40 dBm 출력의 전력증폭기 모듈이 개발 되었다 [2] . 고출력 전력증폭기 모듈을 구현하기 위해 개별 MMIC 칩들을 알루미나(Alumina) 기판에서 전 력 합성하는 방법은 큰 마이크로스트립 전송 선로의

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Full band waveguide-to-microstrip probe transitions

Cited by 129 publications

References 4 publications

Novel Low-Loss Millimeter-Wave Transition From Waveguide-to-Microstrip Line Suitable for MMIC Integration and Packaging

Novel Low-Loss Millimeter-Wave Transition From Waveguide-to-Microstrip Line Suitable for MMIC Integration and Packaging

Broadband stripline to rectangular waveguide transition

A Ka-Band 8 W Power Amplifier Module Using 4-Way Waveguide Power Combiners with High Isolation

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