38 GHz MMIC PHEMT-based tripler with low phase-noise properties

Boudiaf, A.; Bachelet, Didier; Rumelhard, Christian

doi:10.1109/mwsym.2000.861095

Cited by 8 publications

(3 citation statements)

References 7 publications

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“…The key design parameters of the frequency multiplier are conversion gain, output power and harmonic suppression. Reflectors can be utilised at the input and output ports in a single‐ended topology to cancel the unwanted harmonic signals [1]. But the 3 dB fractional bandwidth (FBW) is only 1.4% due to the reflectors.…”

Section: Introductionmentioning

confidence: 99%

2.8 dB conversion gain broadband HBT–HEMT balanced frequency tripler with high harmonic suppression

Chen¹,

Chang²,

Weng³

et al. 2014

Electron. lett.

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A 10.2-12.6 GHz balanced heterojunction bipolar transistor (HBT)-high electron mobility transistor (HEMT) frequency tripler is presented. A pair of common-base/common-emitter HBTs is used to generate in-phase and out-of-phase harmonics. Two bandpass filters are utilised as matching networks to enhance the harmonic suppression. A common-gate/common-source HEMT active balun is employed to combine the third harmonic in-phase and provide conversion gain. The proposed frequency tripler shows a conversion gain of 2.8 dB, a fractional bandwidth of 21.2% and a fundamental suppression higher than 47 dB.

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Section: Introductionmentioning

confidence: 99%

2.8 dB conversion gain broadband HBT–HEMT balanced frequency tripler with high harmonic suppression

Chen¹,

Chang²,

Weng³

et al. 2014

Electron. lett.

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show abstract

“…These harmonic signals are reflected back into the transistor, with adjustable phase, in order to increase the output power at the desired harmonic via reamplification and nonlinear mixing within the transistor. The reflector network technique, although not always explicitly described as such, has been utilized in various forms by several authors in the design of frequency triplers [13,15,18,19]. This previous research has included: simulation of a practical transistor and distributed matching network models; device fabrication and measurement; and in-depth performance analysis in terms of conversion gain, efficiency, noise, and stability.…”

Section: Introductionmentioning

confidence: 99%

Fundamental analysis of harmonic reflection in microwave frequency triplers

Johnson

Branner

2006

Int J RF and Microwave Comp Aid Eng

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“…Up to now, investigation in frequency triplers has mainly been undertaken with one non-linear device using either FET structures (like MESFET or HEMT), HBT structures or diodes [5][6][7][8]. In this proposal, two balanced frequency triplers are presented, in which two resp.…”

Section: Introductionmentioning

confidence: 99%