SG90694A1 - Double tuned circuit with balanced output and image trap - Google Patents

Double tuned circuit with balanced output and image trap

Info

Publication number
SG90694A1
SG90694A1 SG9602077A SG1996002077A SG90694A1 SG 90694 A1 SG90694 A1 SG 90694A1 SG 9602077 A SG9602077 A SG 9602077A SG 1996002077 A SG1996002077 A SG 1996002077A SG 90694 A1 SG90694 A1 SG 90694A1
Authority
SG
Singapore
Prior art keywords
tuned circuit
balanced output
double tuned
image trap
trap
Prior art date
Application number
SG9602077A
Other languages
English (en)
Inventor
Leroy Samuel Wignot
Michael Anthony Pugel
Original Assignee
Thomson Consumer Electronics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of SG90694A1 publication Critical patent/SG90694A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/025—Capacitor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/09—Filters comprising mutual inductance
SG9602077A 1992-08-28 1993-08-20 Double tuned circuit with balanced output and image trap SG90694A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/938,193 US5285179A (en) 1992-08-28 1992-08-28 Double tuned circuit with balanced output and image trap

Publications (1)

Publication Number Publication Date
SG90694A1 true SG90694A1 (en) 2002-08-20

Family

ID=25471064

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9602077A SG90694A1 (en) 1992-08-28 1993-08-20 Double tuned circuit with balanced output and image trap

Country Status (10)

Country Link
US (1) US5285179A (ko)
EP (1) EP0584732B1 (ko)
JP (1) JP3038460B2 (ko)
KR (1) KR100326802B1 (ko)
CN (1) CN1036970C (ko)
DE (1) DE69312602T2 (ko)
ES (1) ES2105018T3 (ko)
MX (1) MX9305193A (ko)
MY (1) MY111335A (ko)
SG (1) SG90694A1 (ko)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619283A (en) * 1994-08-08 1997-04-08 Thomson Consumer Electronics, Inc. Double tuned RF circuit with balanced secondary
US5499056A (en) * 1994-08-08 1996-03-12 Thomson Consumer Electronics, Inc. Bandswitchable double tuned RF circuit with balanced secondary
US5574413A (en) * 1995-03-02 1996-11-12 Motorola, Inc. Tunable filter having a capacitive circuit connected to ground
US5752179A (en) * 1995-08-17 1998-05-12 Zenith Electronics Corporation Selective RF circuit with varactor tuned and switched bandpass filters
US6035185A (en) * 1995-08-17 2000-03-07 Zenith Electronics Corporation Selective RF circuit with varactor tuned bandpass switched bandpass filters
US5715531A (en) * 1995-11-20 1998-02-03 Nextlevel Systems (Taiwan), Ltd. Synchronous tracking filter circuit for a broadcast satellite tuner
JPH11205700A (ja) * 1998-01-12 1999-07-30 Alps Electric Co Ltd 複同調回路
AU1347101A (en) * 1999-10-27 2001-05-08 Pulse Engineering, Inc. High frequency, large bandwidth balun and method of manufacturing
JP2002280878A (ja) * 2001-03-19 2002-09-27 Alps Electric Co Ltd 電子回路ユニット
JP2002359788A (ja) * 2001-05-31 2002-12-13 Alps Electric Co Ltd テレビジョン受信機
US7102464B1 (en) * 2002-04-04 2006-09-05 Triquint Semiconductor, Inc. Switched transformer for adjusting power amplifier loading
TW583846B (en) * 2002-08-01 2004-04-11 Realtek Semiconductor Corp Superheterodyne transceiver
JP3106132U (ja) 2004-06-23 2004-12-16 アルプス電気株式会社 テレビジョンチューナ
DE102005056486A1 (de) * 2005-11-20 2007-05-31 Atmel Germany Gmbh Eingangsfilter zur Spiegelfrequenzunterdrückung
US7773707B2 (en) * 2006-07-31 2010-08-10 Motorola, Inc. Tunable narrow band filter
FR2906946B1 (fr) * 2006-10-06 2008-12-19 Thales Sa Filtre tractable rapide
TWI345417B (en) * 2007-09-07 2011-07-11 Himax Tech Ltd Tuner and transformer formed by printed circuit board thereof
JP4473909B2 (ja) * 2007-12-28 2010-06-02 アルプス電気株式会社 テレビジョンチューナの複同調回路
US8873252B2 (en) * 2008-03-26 2014-10-28 Enphase Energy, Inc. Method and apparatus for extending zero-voltage switching range in a DC to DC converter
TWI360252B (en) * 2008-07-11 2012-03-11 Advanced Semiconductor Eng Transformer
EP2549645A1 (en) 2011-07-21 2013-01-23 Telefonaktiebolaget LM Ericsson (publ) Transformer filter arrangement
JP6077882B2 (ja) * 2013-02-26 2017-02-08 グンゼ株式会社 二重靴下
DE102014219374A1 (de) * 2014-09-25 2016-03-31 Siemens Aktiengesellschaft Vorrichtung mit einstellbarem Kapazitätswert zum Abstimmen eines schwingfähigen Systems, schwingfähiges System und Energieübertragungssystem
US10333410B2 (en) * 2016-09-15 2019-06-25 Futurewei Technologies, Inc. Common-mode (CM) electromagnetic interference (EMI) reduction in resonant converters
US20220021365A1 (en) * 2020-07-16 2022-01-20 Qualcomm Incorporated Matching network with tunable notch filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152714A (ja) * 1983-02-18 1984-08-31 Fujitsu General Ltd 可変複同調回路
US5020146A (en) * 1989-04-17 1991-05-28 Rca Licensing Corporation Lossy constant bandwidth tuned circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903487A (en) * 1974-05-01 1975-09-02 Gte International Inc Multi-circuit selection filter for two different frequency ranges
US4048598A (en) * 1976-05-28 1977-09-13 Rca Corporation Uhf tuning circuit utilizing a varactor diode
US4361909A (en) * 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
JPS58146107A (ja) * 1982-02-25 1983-08-31 Matsushita Electric Ind Co Ltd Ｆｍ復調装置
US4601062A (en) * 1985-02-28 1986-07-15 Rca Corporation Tracking image frequency trap
US4662001A (en) * 1985-08-15 1987-04-28 Zenith Electronics Corporation Tunable notch filter for image frequency and conducted local oscillator leakage rejection
US4783849A (en) * 1986-11-26 1988-11-08 Rca Licensing Corporation FET tuner
US5034994A (en) * 1989-04-13 1991-07-23 Rca Licensing Corporation Single balanced mixer with output filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152714A (ja) * 1983-02-18 1984-08-31 Fujitsu General Ltd 可変複同調回路
US5020146A (en) * 1989-04-17 1991-05-28 Rca Licensing Corporation Lossy constant bandwidth tuned circuit

Also Published As

Publication number Publication date
CN1036970C (zh) 1998-01-07
CN1084340A (zh) 1994-03-23
US5285179A (en) 1994-02-08
KR100326802B1 (ko) 2002-06-20
EP0584732A1 (en) 1994-03-02
JP3038460B2 (ja) 2000-05-08
ES2105018T3 (es) 1997-10-16
DE69312602T2 (de) 1997-12-04
MY111335A (en) 1999-11-30
EP0584732B1 (en) 1997-07-30
JPH077387A (ja) 1995-01-10
KR940004950A (ko) 1994-03-16
MX9305193A (es) 1994-05-31
DE69312602D1 (de) 1997-09-04

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