A 40-45 GHz monolithic Gilbert cell mixer

Dearn, A.W.; Devlin, L.M.

doi:10.1049/ic:19990021

Cited by 2 publications

(4 citation statements)

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“…Comparing the results w ith [34], it is not mentioned th a t the point joining Hi and H<i (and H%) is supplied by a second voltage source. At those levels, to get ~10m A in the bottom transistor and ~0m A in th e top transistors, and m aintain th e m entioned bias point, there has to be a source at the centre point.…”

Section: Current and V Oltage A Nalysis O F M Ixer Corementioning

confidence: 94%

“…A Volterra series analysis was used to obtain the optim um currents, voltages and device sizes for the G ilbert cell transistors. One circuit using a variation of the G ilbert cell is given in [34]. The authors used a half Gilbert-cell topology, shown in Figure 2 In designing their circuit, a +5V power supply was used.…”

Section: Ircuits U Sing Th E G Ilbert Cellmentioning

confidence: 99%

“…The design chosen in this work is similar to th e one given in ref [34]. A half-G ilbert cell configuration was chosen, w ith one switching transistor grounded.…”

Section: H Ap Ter 4 D Esign O F a Coplanar G Ilbert Cell M Ixermentioning

confidence: 99%

“…For th e biasing values given in ref. [34], a plot was constructed of input and o u tp u t impedances for various device sizes (Figure 4.4). P ort 1 is the gate of the F E T while p ort 2 is the drain.…”

Section: H Aracterizin G Th E O M M Ic P H E M Tmentioning

confidence: 99%

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Complanar technology for the design of a 39.25GHz active mixer

Cormier¹

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Section: Current and V Oltage A Nalysis O F M Ixer Corementioning

confidence: 94%

Section: Ircuits U Sing Th E G Ilbert Cellmentioning

confidence: 99%

“…The design chosen in this work is similar to th e one given in ref [34]. A half-G ilbert cell configuration was chosen, w ith one switching transistor grounded.…”

Section: H Ap Ter 4 D Esign O F a Coplanar G Ilbert Cell M Ixermentioning

confidence: 99%

Section: H Aracterizin G Th E O M M Ic P H E M Tmentioning

confidence: 99%

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Complanar technology for the design of a 39.25GHz active mixer

Cormier¹

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Microwave Circuit Design

Cormier

Ross

Swarm Intelligence for Electric and Electronic Engineering

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Circuit models play an important role in the design and optimization of microwave circuits (circuits in the GHz frequency range). These circuit models contain many parameters, including parasitic elements, necessary to correctly model the behavior of transistors at high frequencies. These models are often designed based on a series of measurements. Because of its ability to efficiently locate the global optimum of an objective function, particle swarm optimization (PSO) can be a useful tool when matching a model to its measurements. In this chapter, PSO will be used to calculate a transistor’s small-signal model parameters, determine the noise parameters of the transistor, and design a microwave mixer. The mixer is designed at 39.25 GHz, and a comparison between measurements and simulation results shows good agreement.

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A 40-45 GHz monolithic Gilbert cell mixer

Cited by 2 publications

References 0 publications

Complanar technology for the design of a 39.25GHz active mixer

Complanar technology for the design of a 39.25GHz active mixer

Microwave Circuit Design

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