Differential Voltage Controlled Ring Oscillators—A Review

Kackar, Tripti; Suman, Shruti; Ghosh, P. K.

doi:10.1007/978-981-10-2750-5_59

Cited by 4 publications

(1 citation statement)

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“…This has been reviewed as a possible alternative to the Colpitts and Hartley oscillator. Kackar et al [16] have highlighted the expansiveness of this oscillator model, showing the addition of multiple transistor stages which could be added to achieve different functional specifications. These specifications may include a wider bandwidth, which uses a 7-stage Differential Voltage Controlled Ring Oscillator (DRVCO), or a high-speed design which uses a 10-stage DRVCO.…”

Section: Fig 1 Vco Architectures Showing Differences In Output Couplingmentioning

confidence: 99%

Design of an Active-Loaded Differential Voltage-Controlled Oscillator (VCO) Using Double-Gate MOSFET

Pillay,

M. Srivastava

2023

IJETT

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A differential cross-coupled Voltage Controlled Oscillator (VCO) has been designed using the Double-Gate (DG) MOSFET for VHF applications. The DG MOSFET exhibits superior noise immunity with its high noise figure and is suitable for low-power, high-frequency applications. The proposed VCO has been designed using a differential topology with improved power consumption, design flexibility, and noise reduction. This also improves the high-frequency performance of existing differential amplifiers. Thereafter, the proposed VCO was compared with fabrication and design methods, particularly Silicon-based CMOS and Single-Gate (SG) MOSFET VCOs, as possible alternatives. Various printed circuit board (PCB) design practices were followed to minimise the noise and improve the overall efficiency of the circuitry. Key parameters for the analysis of this VCO are the output power, phase noise, and figure of merit, which have been realised as -2.91 dBm at peak and -69.79 dBc/Hz at 1 MHz, respectively. The power consumption of the designed VCO is 36 mW.

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Section: Fig 1 Vco Architectures Showing Differences In Output Couplingmentioning

confidence: 99%