Apparatus and method for generating stable reference current

KY Shen, Y Fan - US Patent 10,574,243, 2020 - Google Patents
An apparatus is provided which comprises: an oscillator to generate a first clock having a
first frequency; a divider coupled to the oscillator, wherein the divider is to generate a …

Compact and low-power millimeter-wave integrated VCO-up/down-converter with gain-boosting

J Laskar - US Patent 9,698,852, 2017 - Google Patents
(57) ABSTRACT A wireless data transceiver comprises a local oscillator configured to
generate a first time-varying signal of a first frequency at an output of the local oscillator. The …

Dual-band voltage-controlled oscillator arrangement

M Bao - US Patent 8,344,811, 2013 - Google Patents
BACKGROUND The development of Wireless communication systems has increased the
demand for monolithically integrated, loW-cost and loW-phase-noise voltage controlled …

Millimeter-wave mixed-signal automatic gain control

J Laskar - US Patent 10,498,382, 2019 - Google Patents
A wireless data transceiver comprises a voltage controlled oscillator configured to generate
a first time-varying signal. The transceiver further comprises an antenna configured to …

System and method of stabilizing charge pump node voltage levels

C Zhong, SL Navubothu, NV Dang, X Kong - US Patent 8,581,647, 2013 - Google Patents
230ST 22} s 3 Tup. coupled to a first drain node of a first Supply of a charge pump. The
method also includes tracking the tuning Voltage at a second circuit coupled to a second …

Voltage-controlled oscillator device

CH Chang, Y Lee, HU Hua-Shan, CY Yang - US Patent 11,831,278, 2023 - Google Patents
A voltage-controlled oscillator device includes first and second voltage-controlled oscillators,
a first switch group including two first switches, and a second switch group including two …

Apparatus and method for integrating self-test oscillator with injection locked buffer

A Balasubramaniyan, A Bellaouar - US Patent 10,942,255, 2021 - Google Patents
The disclosure provides an apparatus including: a pair of signal injection transistors each
having a gate terminal coupled to a differential reference signal, and a pair of cross-coupled …

Voltage controlled oscillator with reduced phase noise

DS Jansen - US Patent 10,720,906, 2020 - Google Patents
A voltage controlled oscillator (VCO) is disclosed to provide reduced phase noise at higher
operating frequencies. A buffer-first VCO configured according to an embodiment includes …

VCO selection and amplitude management using center tap inductor

AD Davies, DM Friend, CW Steffen… - US Patent 10,116,260, 2018 - Google Patents
A system includes a voltage controlled oscillator (VCO) having an adjustable amplitude. The
amplitude of the VCO may be adjusted by adjusting voltage level present at a center tap …

Injection locked frequency divider and PLL circuit

T Shima, J Sato, M Kobayashi - US Patent 8,466,721, 2013 - Google Patents
An injection locked frequency divider and a PLL circuit, having a wide operating frequency
bandwidth and capable of reducing the influence of any parasitic capacitance, are pro vided …