A 180–196 GHz image‐reject Schottky‐diode MMIC mixer

Archer, J.W.; Tello, Juan

doi:10.1002/mop.22771

Cited by 8 publications

(2 citation statements)

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“…The mixer based on active device can achieve better frequency conversion gain, but it will be accompanied by larger noise and additional DC power consumption [6,7]. The sub-harmonic mixer with diode has simple circuit structure and zero power consumption, so it is widely used in millimeter wave band [8][9][10][11][12][13][14][15][16][17]. The most typical circuit such as 78-114 GHz sub-harmonic mixer utilizes quarter-wavelength open-stub and short-stub at each end of the diodes pair to achieve good isolation between LO and RF ports, but it also brings a large chip area of 3 mm 2 [9].…”

Section: Introductionmentioning

confidence: 99%

A Compact Broadband Monolithic Sub-Harmonic Mixer Using Multi-Line Coupler

2020

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A compact broadband monolithic sub-harmonic mixer is presented in a 70 nm GaAs Technology for millimeter wave wireless communication application. The proposed mixer adopts a novel multi-line coupler structure; where the two-sided coupling energy of radio frequency (RF) and local oscillation (LO) signals are both collected and efficiently feed to anti-parallel diode pair (APDP) topology; resulting in broadband performance and compact chip size. As a comparison in the same circuit configuration; the five-line coupler can expand the bandwidth of the existing three-line coupler by 85% and reduce the area by 39.5% when the central frequency is 127 GHz. The measured conversion gain is −16.2 dB to −19.7 dB in a wide operation frequency band of 110–170 GHz. The whole chip size is 0.47 × 0.66 mm2 including test pads. The proposed mixer exhibits good figure-of-merits for D-band down-converter applications

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Section: Introductionmentioning

confidence: 99%

A Compact Broadband Monolithic Sub-Harmonic Mixer Using Multi-Line Coupler

2020

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“…At lower frequencies various subharmonic 2SB receiver topologies have already been demonstrated [14][15][16][17] using different hybrid implementations. For submillimeter wave applications a 45 degree waveguide hybrid topology was first proposed using a stub loaded differential phase shifter [18].…”

Section: Introductionmentioning

confidence: 99%

A Low VSWR 2SB Schottky Receiver

Sobis

Emrich

Stake

2011

IEEE Trans. THz Sci. Technol.

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A novel high performance waveguide integrated sideband separating (2SB) Schottky receiver operating in the 320-360 GHz band is presented. The unique receiver design is based on a core of two subharmonic Schottky diode mixers with embedded LNA's with a minimum noise figure of 1.8 dB, fed by LO and RF quadrature hybrids. At room temperature, a typical receiver SSB noise temperature of 3000 K is measured over most of the band reaching a minimum of 2700 K, with only 4 mW of LO power. The sideband ratio SBR is typically below 15 dB over the whole band and the measured LO input return loss is typically below 15 dB broadband. High performance sideband separating Schottky receivers can now for the first time be considered for submillimeter wave systems enabling new types of instrument concepts.

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