ClassID:

221171

H03J3/08 - CPC Classification

Classification description:

Continuous tuning; Details; Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Recent Application in this class:
#1
20210184655
2021-06-17

Bandpass filter

#2
20200262472
2020-08-20

Steering nibble control

#3
20200083858
2020-03-12

RF signal aggregator and antenna system implementing the same

#4
20190115899
2019-04-18

RF signal aggregator and antenna system implementing the same

#5
20180138897
2018-05-17

Circuits for switched capacitor receiver front-ends

#6
20140167865
2014-06-19

Resonant circuit with automated trimming capabilities

#7
20130257556
2013-10-03

Signal processing apparatus, signal processing method and communication apparatus

#8
20130063661
2013-03-14

PHASE SYNCHRONICATION CIRCUIT AND TELEVISION SIGNAL RECEPTION CIRCUIT

#9
20120220250
2012-08-30

Signal receiving device and signal receiving method

#10
20120135699
2012-05-31

SUPERHETERODYNE RECEIVER APPARATUS, SUPERHETERODYNE RECEIVING METHOD AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR SUPERHETERODYNE RECEIVER APPARATUS

#11
20120081822
2012-04-05

System and method for ESD protection

#12
20110292297
2011-12-01

Signal receiving apparatus, signal receiving method, signal receiving program and signal receiving system

#13
20110241797
2011-10-06

Method for tuning a RF front-end circuit using an on-chip negative transconductance circuit to make an oscillator

#14
20110159829
2011-06-30

Integrating components in a radio tuner integrated circuit (IC) for a tracking filter

#15
20110140760
2011-06-16

Local oscillator with injection pulling suppression and spurious products filtering

#16
20110098007
2011-04-28

METHODS AND APPARATUSES FOR TUNING FILTERS

#17
20110067083
2011-03-17

Fully integrated tuner architecture

#18
20110019783
2011-01-27

Receiver and electronic device using the same

#19
20100309386
2010-12-09

Tuner comprising an IF filter with a controllable damping stage and receiver comprising a respective tuner

#20
20100245012
2010-09-30

Multi-track integrated circuit inductor

#21
20100237884
2010-09-23

Integrated switchless programmable attenuator and low noise amplifier

#22
20100172060
2010-07-08

System and method for ESD protection

#23
20100156575
2010-06-24

Receiver with tuner front end using tracking filters and calibration

#24
20100149431
2010-06-17

Active Inductor Circuits for Filtering in a Cable Tuner Circuit

#25
20100149430
2010-06-17

Active Inductor Circuits for Filtering in a Cable Tuner Circuit

#26
20100127791
2010-05-27

Filter-tracking and control method

#27
20100060382
2010-03-11

Method and device for optimising the adjustment time of an adjustable filter

#28
20100033238
2010-02-11

Method for reconstructing a noise-reduced periodic voltage signal

#29
20090225905
2009-09-10

FSK receiver

#30
20090170445
2009-07-02

System and method for tuning baseband filters in wireless transceivers

#31
20090134955
2009-05-28

Boosted-bias tunable filter with dynamic calibration

#32
20090088119
2009-04-02

Method and system for using a microstrip to switch circuits in CMOS applications

#33
20080284919
2008-11-20

Fully integrated tuner architecture

#34
20080174925
2008-07-24

System and method for ESD protection

#35
20080160939
2008-07-03

Boosted-bias tunable filter with dynamic calibration

#36
20080101525
2008-05-01

High precision continuous time gmC BPF tuning

#37
20080036037
2008-02-14

System and method for ESD protection

#38
20070167143
2007-07-19

Receiver and electronic device using the same

#39
20070149159
2007-06-28

Filter circuit and radio communication system comprising filter

#40
20070123186
2007-05-31

Radio-frequency receiver

#41
20070120605
2007-05-31

Integrated switchless programmable attenuator and low noise amplifier

#42
20070081610
2007-04-12

Local oscillator with injection pulling suppression and spurious products filtering

#43
20070077908
2007-04-05

Fully integrated tuner architecture

#44
20070052865
2007-03-08

Tuning circuit preventing a deterioration of Q value

#45
20070042734
2007-02-22

Tuner and broadcasting signal receiver including the same

#46
20070042732
2007-02-22

Tuner and method for selecting a channel using band-selection filter and broadcast signal receiver including the tuner

#47
20070018743
2007-01-25

Boosted-bias tunable filter with dynamic calibration

#48
20070013433
2007-01-18

Temperature compensation for internal inductor resistance

#49
20070007598
2007-01-11

System and method for ESD protection

#50
20060223485
2006-10-05

Tracking filter for selecting channel of wideband frequency

#51
20060223475
2006-10-05

Receiver having no tracking error

#52
20060073798
2006-04-06

Tuner

#53
20060072276
2006-04-06

Tunable tracking filter

#54
20050260960
2005-11-24

Miniaturized television tuner and television receiver including the same

#55
20050258901
2005-11-24

System and method for linearizing a CMOS differential pair

#56
20050236673
2005-10-27

System and method for ESD protection

#57
20050215219
2005-09-29

Direct tuning of radio receiver integrated circuit

#58
20050212612
2005-09-29

Tunable filter and portable telephone

#59
20050212590
2005-09-29

High-speed Gm-C tuning

#60
20050190305
2005-09-01

Television tuner for balance-inputting signal to balanced mixer

#61
20050175136
2005-08-11

High precision continuous time gC BPF tuning

#62
20050156700
2005-07-21

Integrated spiral inductor

#63
20050153677
2005-07-14

System and method for on-chip filter tuning

#64
20050148312
2005-07-07

Bandpass filter with tunable resonator

#65
20050143031
2005-06-30

Multi-band receiver

#66
20050107055
2005-05-19

Integrated switchless programmable attenuator and low noise amplifier

#67
20050101274
2005-05-12

Printed circuit board configurable television tuner

#68
20050079839
2005-04-14

Radio-frequency receiver and integrated circuit for use in receiver

#69
20050030108
2005-02-10

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

#70
15862671
2019-07-09

Hybrid digital electronic tuner