ATE173118T1 - Transientenunterdrückende schaltung für einen duplex sender-empfänger im zeitbereich - Google Patents

Transientenunterdrückende schaltung für einen duplex sender-empfänger im zeitbereich

Info

Publication number
ATE173118T1
ATE173118T1 AT91915051T AT91915051T ATE173118T1 AT E173118 T1 ATE173118 T1 AT E173118T1 AT 91915051 T AT91915051 T AT 91915051T AT 91915051 T AT91915051 T AT 91915051T AT E173118 T1 ATE173118 T1 AT E173118T1
Authority
AT
Austria
Prior art keywords
down mixer
coupled
pass filter
signal
low pass
Prior art date
Application number
AT91915051T
Other languages
English (en)
Inventor
Joseph P Heck
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE173118T1 publication Critical patent/ATE173118T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/16—Single control means independently performing two or more functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
AT91915051T 1990-08-29 1991-08-13 Transientenunterdrückende schaltung für einen duplex sender-empfänger im zeitbereich ATE173118T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/574,628 US5222253A (en) 1990-08-29 1990-08-29 Transient suppression circuit for a time domain duplex transceiver

Publications (1)

Publication Number Publication Date
ATE173118T1 true ATE173118T1 (de) 1998-11-15

Family

ID=24296935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91915051T ATE173118T1 (de) 1990-08-29 1991-08-13 Transientenunterdrückende schaltung für einen duplex sender-empfänger im zeitbereich

Country Status (11)

Country Link
US (1) US5222253A (de)
EP (1) EP0545992B1 (de)
JP (1) JP2855480B2 (de)
KR (1) KR960015573B1 (de)
AT (1) ATE173118T1 (de)
CA (1) CA2089259C (de)
DE (1) DE69130456T2 (de)
DK (1) DK0545992T3 (de)
ES (1) ES2123513T3 (de)
MY (1) MY110436A (de)
WO (1) WO1992004773A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444865A (en) * 1991-04-01 1995-08-22 Motorola, Inc. Generating transmit injection from receiver first and second injections
US5325405A (en) * 1991-08-27 1994-06-28 Motorola, Inc. Burst mode receiver control
JP2800858B2 (ja) * 1991-09-18 1998-09-21 日本電気株式会社 無線電話装置
JPH05130158A (ja) * 1991-11-08 1993-05-25 Sony Corp 送受信装置
US5423064A (en) * 1992-10-13 1995-06-06 Fujitsu Limited Received signal strength indicator level monitor circuit for digital mobile communication system
DE4396900T1 (de) * 1992-12-22 1997-07-31 Motorola Inc HF-Antennenschalter und Verfahren zu dessen Betrieb
US5390363A (en) * 1993-04-30 1995-02-14 Motorola, Inc. Transmitter and receiver circuit and method therefor
US5471665A (en) * 1994-10-18 1995-11-28 Motorola, Inc. Differential DC offset compensation circuit
US5724653A (en) * 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
US5901347A (en) * 1996-01-17 1999-05-04 Motorola, Inc. Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same
US6035005A (en) * 1997-02-10 2000-03-07 Motorola, Inc. Receiver with baseband I and Q demodulator
US5893029A (en) * 1997-02-10 1999-04-06 Motorola, Inc. Baseband phase-locked direct conversion receiver with frequency offset
US6144845A (en) * 1997-12-31 2000-11-07 Motorola, Inc. Method and circuit for image rejection
US6219088B1 (en) * 1998-11-03 2001-04-17 Broadcom Corporation NTSC interference rejection filter
US6363241B1 (en) 2000-04-13 2002-03-26 California Amplifier, Inc. Muting systems and methods for communication transceivers
WO2003090370A1 (en) 2002-04-22 2003-10-30 Cognio, Inc. Multiple-input multiple-output radio transceiver
US7190943B2 (en) * 2003-09-16 2007-03-13 Microtune (Texas), L.P. System and method for frequency translation with harmonic suppression using mixer stages
CN110188389B (zh) * 2019-04-28 2023-01-03 上海芷锐电子科技有限公司 一种用于人工智能处理器芯片的功能验证系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665507A (en) * 1971-01-04 1972-05-23 Gen Electric Signal processor for reception of amplitude or frequency modulated signals
US4287599A (en) * 1976-08-02 1981-09-01 Motorola, Inc. Multi-channel communication device with manual and automatic scanning electronic channel selection
JPS5945266B2 (ja) * 1977-06-02 1984-11-05 ソニー株式会社 Ａｍ・ｓｓｂ共用送受信機
US4385402A (en) * 1980-04-16 1983-05-24 Redifon Telecommunications Limited Switchable filter circuits
US4476585A (en) * 1982-01-25 1984-10-09 International Telephone And Telegraph Corporation Baseband demodulator for FM signals
JPS6055742A (ja) * 1983-09-07 1985-04-01 Hitachi Ltd 送受信機
JPS60169234A (ja) * 1984-02-10 1985-09-02 Matsushita Electric Works Ltd ワイヤレス通信装置
US4653117A (en) * 1985-11-18 1987-03-24 Motorola, Inc. Dual conversion FM receiver using phase locked direct conversion IF
US4761829A (en) * 1985-11-27 1988-08-02 Motorola Inc. Adaptive signal strength and/or ambient noise driven audio shaping system
DE3606250A1 (de) * 1986-02-24 1987-08-27 Hansen Elektronic & Co Verfahren und vorrichtung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
JPH0834448B2 (ja) * 1986-04-18 1996-03-29 株式会社日立製作所 デユプレツクス送受信機
US4903257A (en) * 1987-05-27 1990-02-20 Fujitsu Limited Digital two-way radio-communication system using single frequency
US4837853A (en) * 1987-06-05 1989-06-06 Motorola, Inc. Dual port FM demodulation in phase locked receivers
US4852123A (en) * 1988-02-05 1989-07-25 Motorola, Inc. Nearly DC IF phase locked transceiver
GB8806194D0 (en) * 1988-03-16 1988-04-13 Shaye Communications Ltd Transceivers
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
US4944025A (en) * 1988-08-09 1990-07-24 At&E Corporation Direct conversion FM receiver with offset

Also Published As

Publication number Publication date
KR930701867A (ko) 1993-06-12
ES2123513T3 (es) 1999-01-16
US5222253A (en) 1993-06-22
DE69130456T2 (de) 1999-07-08
MY110436A (en) 1998-05-30
CA2089259C (en) 1997-09-16
WO1992004773A1 (en) 1992-03-19
DK0545992T3 (da) 1999-07-19
EP0545992A1 (de) 1993-06-16
JPH06500215A (ja) 1994-01-06
EP0545992A4 (de) 1994-01-05
DE69130456D1 (de) 1998-12-10
KR960015573B1 (ko) 1996-11-18
JP2855480B2 (ja) 1999-02-10
EP0545992B1 (de) 1998-11-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time