Patent · US Active

Switching current source radio frequency oscillator

US9397613B2 · kind B2 · utility

2Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 2015
Grant dateJul 19, 2016
Priority date—
Expiry dateOct 3, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03J2200/10
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A novel and useful RF oscillator suitable for use in applications requiring ultra-low voltage and power. The oscillator structure, employing alternating current source transistors, combines the benefits of low supply voltage operation of conventional NMOS cross-coupled oscillators together with high current efficiency of the complementary push-pull oscillators. In addition, the 1/f noise upconversion is also reduced. The oscillator can be incorporated within a wide range of circuit applications, including for example a conventional phase locked loop (PLL), all-digital phase-locked loop (ADPLL), wireline transceiver circuits and mobile devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.