Low phase noise oscillator topologies: Theory and application to MMIC VCOs

Cignani, Rafael; Florian, Corrado; Filicori, F.; Vannini, G.

doi:10.1109/rfm.2011.6168763

Cited by 6 publications

(1 citation statement)

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“…Tunability over a wide frequency range, stability both in time and frequency domain and low sensitivity towards control signals are the main goals to achieve. Some interesting solutions have already been proposed in the literature [1][2][3][4] for the design of monolithic voltage-controlled oscillators (VCOs), but all of them exhibit some limits. These drawbacks usually rely on the technology process and a compromise solution is often necessary for the designer.…”

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confidence: 99%

Enhancing performance of a InGaP/GaAs VCO by means of a switching architecture

Pantoli¹,

Arena

Cavanna

2018

Electron. lett.

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The introduction of a compact switching architecture in the design of a monolithic microwave integrated voltage-controlled oscillator (VCO) is described, that is able to provide enhanced characteristics in term of both linearity and tunability. The proposed solution is applied to the design of a C-band GaAs MMIC (monolithic microwave integrated circuit) VCO. The chip has been realised with the heterojunction bipolar transistor (HBT) HB20M technology process provided by UMS Foundry. Measurements show a relative tuning range of about 30%, an average sensitivity of about 83 MHz/V, a minimum output power of 11.4 dBm and a phase noise at 100 kHz of frequency offset from the carrier lower of −107 dBc/Hz.

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confidence: 99%