H03B5/1278 - CPC Classification Index

ClassID:

218629 ⎘

H03B5/1278 - 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 comprising means for varying the frequency of the generator having further means for varying a parameter in dependence on the frequency the parameter being an amplitude of a signal, e.g. maintaining a constant output amplitude over the frequency range

Recent Application in this class:

20230134987

2023-05-04

Low-noise oscillator amplitude regulator

20220069826

2022-03-03

Low-noise oscillator amplitude regulator

20210058080

2021-02-25

Semiconductor device and method for controlling amplitude of signal in the semiconductor device

20200259494

2020-08-13

Low-noise oscillator amplitude regulator

20200204114

2020-06-25

Differential circuit with current control device

20200119691

2020-04-16

Transconductance controlling circuit

20200014392

2020-01-09

Amplitude calibrated oscillator device

20190149155

2019-05-16

Low-noise oscillator amplitude regulator

20190089412

2019-03-21

Apparatus for communicating across an isolation barrier

#10

20180270762

2018-09-20

Low power local oscillator

#11

20180269859

2018-09-20

Circuits for digital and analog controlled oscillators

#12

20180241402

2018-08-23

Low-noise oscillator amplitude regulator

#13

20180198410

2018-07-12

Controlled muting and power ramping of a voltage-controlled oscillator

#14

20170310277

2017-10-26

Ultra-broadband switched inductor oscillator

#15

20170257063

2017-09-07

Voltage-controlled oscillator

#16

20170085221

2017-03-23

Low-power low-phase-noise oscillator

#17

20170054413

2017-02-23

Voltage controlled oscillator with common mode adjustment start-up

#18

20160373058

2016-12-22

CMOS VCO with implicit common-mode resonance

#19

20160365866

2016-12-15

Open-loop voltage regulation and drift compensation for digitally controlled oscillator (DCO)

#20

20160301552

2016-10-13

Ultra wideband radio frequency transmission system

#21

20160285465

2016-09-29

Oscillation signal generation circuit

#22

20160191026

2016-06-30

Circuits for digital and analog controlled oscillators

#23

20160118991

2016-04-28

Oscillator device

#24

20150263671

2015-09-17

Low noise and low power voltage-controlled oscillator (VCO) using transconductance (gm) degeneration

#25

20140009236

2014-01-09

CONFIGURABLE MULTI-MODE OSCILLATORS

#26

20130314167

2013-11-28

Method and apparatus to control the LC tank temperature null characteristic in a highly stable LC oscillator

#27

20130285756

2013-10-31

Circuit of inductance/capacitance (LC) voltage-control oscillator

#28

20130141176

2013-06-06

Highly linear-gain oscillator

#29

20130063218

2013-03-14

Fully decoupled LC-tank based oscillator topology for low phase noise and high oscillation amplitude applications

#30

20100264994

2010-10-21

Tunable LC oscillator with common mode voltage adjustment

#31

20100237956

2010-09-23

Bias generation circuit and voltage controlled oscillator

#32

20100215123

2010-08-26

Wideband digitally-controlled oscillator (DCO) and digital broadcasting receiver having the same

#33

20100188057

2010-07-29

Zilinx : the 11 less green technology for FPIC of smart window

#34

20090251228

2009-10-08

Voltage-controlled variable frequency oscillation circuit and signal processing circuit

#35

20090243732

2009-10-01

SDOC with FPHA and FPXC: system design on chip with field programmable hybrid array of FPAA, FPGA, FPLA, FPMA, FPRA, FPTA and frequency programmable xtaless clockchip with trimless/trimfree self-adaptive bandgap reference xtaless clockchip

#36

20090134947

2009-05-28

Varactor-free amplitude controlled oscillator(ACO) for system on chip and system on card Xtaless clock SOC

#37

20090058536

2009-03-05

Apparatus and method for phase lock loop gain control using unit current sources

#38

20080266005

2008-10-30

Automatically tuned tail filter

#39

20080174361

2008-07-24

Apparatus and method for phase lock loop gain control using unit current sources

#40

20080136544

2008-06-12

Programmable varactor for VCO gain compensation and phase noise reduction

#41

20080048793

2008-02-28

Amplitude regulating circuit

#42

20080042766

2008-02-21

DFY of XtalClkChip: design for yield of trimming-free crystal-free precision reference clock osillator IC chip

#43

20070268076

2007-11-22

Apparatus and method for phase lock gain control using unit current sources

#44

20070247238

2007-10-25

Apparatus and method for phase lock loop gain control

#45

20070222489

2007-09-27

VOLTAGE-CONTROLLED OSCILLATOR AND ADJUSTMENT CIRCUIT FOR VOLTAGE-CON TROLLED OSCILLATOR

#46

20070080754

2007-04-12

Voltage controlled oscillator with body of transistors bias control

#47

20070018747

2007-01-25

Apparatus and method for phase lock loop gain control

#48

20060284689

2006-12-21

Apparatus and method for phase lock loop gain control using unit current sources

#49

20060255872

2006-11-16

Oscillator and a PLL circuit using the oscillator

#50

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

#51

20060097797

2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#52

20060097796

2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#53

20060077012

2006-04-13

VCO circuit with broad tuning range and amplitude control

#54

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

#55