Cascode amplifier and differential cascode voltage-controlled oscillator using the same

BH Park, SS Lee, SH Jang, SS Choi - US Patent 7,821,349, 2010 - Google Patents
Provided is a differential cascode voltage-controlled oscilla tor that can reduce a phase
noise by the use of a quality factor enhancement technique with negative conductance and …

Multiport inductors for enhanced signal distribution

X Gao - US Patent 10,483,910, 2019 - Google Patents
Integrated circuits such as multi-channel transceivers may share oscillators having loop
inductors. To minimize the driving distance from the shared oscillators to the transceiver …

Voltage-controlled oscillator

S Dal Toso, R Castello, M Garampazzi… - US Patent …, 2016 - Google Patents
BACKGROUND The background description provided herein is for the purpose of generally
presenting the context of the disclo sure. Work of one or more of the presently named …

Enhanced inductors suitable for integrated multi-channel receivers

X Liu, K Peng, CH Yeung, Y Dai, LCF Cheng… - US Patent …, 2020 - Google Patents
Integrated circuits such as multi-channel receivers may require loop inductors resistant to
electromagnetic field interference. Such loop inductors may include multiple non …

Integrated resonance circuit

S El Rai - US Patent 7,629,859, 2009 - Google Patents
An integrated resonance circuit is provided for providing a high-frequency output signal,
comprising a first output for providing a first high-frequency output signal with a first …

Resonant circuit including bump pads

C Zhang, JA Chiesa - US Patent 9,929,123, 2018 - Google Patents
Aspects of this disclosure relate to a first die includes an LC resonant circuit including a first
capacitive element, such as a capacitor or a varactor, and an inductive element. The LC …

Phase noise reduction techniques for voltage-controlled oscillators (VCOs)

M Taghivand, A Khalili, M Emadi, Y Rajavi - US Patent 10,608,583, 2020 - Google Patents
Certain aspects of the present disclosure provide methods and apparatus for reducing
phase noise in voltage-controlled oscillators (VCOs). One example VCO generally includes …

Single differential-inductor VCO with implicit common-mode resonance

DP Murphy, H Darabi - US Patent 9,008,601, 2015 - Google Patents
A circuit for a single differential-inductor oscillator with common-mode resonance may
include a tank circuit formed by coupling a first inductor with a pair of first capacitors; a cross …

Configurable wide tuning range oscillator core

R Rangarajan, C Mishra - US Patent 8,018,293, 2011 - Google Patents
An oscillator includes a resonator, a first and a second p-type transistor, and a first and a
second n-type transistor. The resonator has a first terminal and a second terminal. The first p …

Noise filter

HH Wu - US Patent App. 12/112,028, 2008 - Google Patents
0003 2. Description of the Related Art 0004 An oscillator is typically a component of a
receiver and performs frequency conversion in a communication sys tem. Among all …