ClassID:

218607

H03B5/1209 - CPC Classification

Classification description:

Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier having two current paths operating in a differential manner and a current source or degeneration circuit in common to both paths, e.g. a long-tailed pair.

Recent Application in this class:
#1
20250337359
2025-10-30

VOLTAGE-CONTROLLED OSCILLATOR (LC VCO) AND METHOD OF OPERATION THEREOF

#2
20250062722
2025-02-20

FREQUENCY-BASED COMPENSATION FOR POWER CONTROLLERS AND CONVERTERS

#3
20220407516
2022-12-22

Soft handover in a coupled dual-oscillator system

#4
20220231668
2022-07-21

LO leakage suppression in frequency conversion circuits

#5
20220011809
2022-01-13

Powering clock tree circuitry using internal voltages

#6
20200321913
2020-10-08

Swing tracking and control

#7
20200257331
2020-08-13

Powering clock tree circuitry using internal voltages

#8
20200142000
2020-05-07

Circuit aging detection sensor based on lookup table

#9
20190296690
2019-09-26

Integrated circuit layout for an oscillation module

#10
20190058441
2019-02-21

Quadrature oscillation circuit and CDR circuit

#11
20170170783
2017-06-15

Coupled inductor-based resonator

#12
20170117848
2017-04-27

Oscillation module, electronic device, and moving object

#13
20170005617
2017-01-05

System and method for a voltage controlled oscillator

#14
20160322976
2016-11-03

Temperature sensing apparatus

#15
20160285465
2016-09-29

Oscillation signal generation circuit

#16
20160204738
2016-07-14

System and method for dynamically biasing oscillators for optimum phase noise

#17
20150333695
2015-11-19

Voltage controlled oscillator

#18
20140070899
2014-03-13

Cancelling supply noise in a voltage controlled oscillator circuit

#19
20130141175
2013-06-06

Push-push oscillator circuit

#20
20120299120
2012-11-29

RF circuits including transistors having strained material layers

#21
20120223782
2012-09-06

COMPLEX NEGATIVE FEEDBACK FREQUENCY SELECTION OUTPUT CIRCUIT AND OSCILLATION CIRCUIT USING THE SAME

#22
20110121362
2011-05-26

RF circuits including transistors having strained material layers

#23
20100271086
2010-10-28

Dual-band coupled VCO

#24
20100264995
2010-10-21

RF circuits including transistors having strained material layers

#25
20090102565
2009-04-23

Injection-locked frequency divider

#26
20080211595
2008-09-04

Circuit arrangement for frequency modulation

#27
20080174375
2008-07-24

Voltage-controlled oscillator and communication device using the same

#28
20080157891
2008-07-03

Oscillator with Darlington nodes

#29
20080129390
2008-06-05

System and method for increasing radio frequency (RF) microwave inductor-capacitor (LC) oscillator frequency tuning range

#30
20080079507
2008-04-03

Oscillator circuit

#31
20080036536
2008-02-14

System and method for linearizing a CMOS differential pair

#32
20070205844
2007-09-06

Frequency Multiplying Arrangements and a Method for Frequency Multiplication

#33
20070075799
2007-04-05

Dual-band voltage controlled oscillator utilizing switched feedback technology

#34
20060269014
2006-11-30

Oscillator frequency selection

#35
20060238265
2006-10-26

Method to differentially control LC voltage-controlled oscillators

#36
20060232350
2006-10-19

Oscillator circuit suppressing variation of oscillation frequency

#37
20060220737
2006-10-05

High Q monolithic inductors for use in differential circuits

#38
20060170512
2006-08-03

Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing

#39
20060170500
2006-08-03

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#40
20060158260
2006-07-20

Device and method for frequency synthesis

#41
20060091969
2006-05-04

LC tank clock driver with automatic tuning

#42
20060049871
2006-03-09

Multi-stage output buffer

#43
20060038629
2006-02-23

Local oscillating circuit for receiving high-band and low-band signal

#44
20060033584
2006-02-16

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#45
20050219005
2005-10-06

Oscillator with tunable diffusion capacitance as resonant circuit capacitance

#46
20050212610
2005-09-29

LC oscillator

#47
20050190004
2005-09-01

System and method for tuning output drivers using voltage controlled oscillator capacitor settings

#48
20050184820
2005-08-25

System and method for increasing radio frequency (RF)/microwave inductor-capacitor (LC) oscillator frequency tuning range

#49
20050116219
2005-06-02

RF circuits including transistors having strained material layers

#50
20050030108
2005-02-10

Integrated VCO having an improved tuning range over process and temperature variations

#51
16737920
2020-05-12

Voltage controlled oscillator pulling reduction

#52
16214038
2020-02-25

Voltage controlled oscillator pulling reduction

#53
15019480
2017-03-21

Transforming voltage in a voltage controlled oscillator for wireless sensor devices