TW327708B - Apparatus, method and manufacture for carrier frequency compensation in a FM radio transmitter - Google Patents

Apparatus, method and manufacture for carrier frequency compensation in a FM radio transmitter

Info

Publication number
TW327708B
TW327708B TW086106814A TW86106814A TW327708B TW 327708 B TW327708 B TW 327708B TW 086106814 A TW086106814 A TW 086106814A TW 86106814 A TW86106814 A TW 86106814A TW 327708 B TW327708 B TW 327708B
Authority
TW
Taiwan
Prior art keywords
digital
local oscillation
carrier frequency
manufacture
radio transmitter
Prior art date
Application number
TW086106814A
Other languages
English (en)
Inventor
Dwiht Dingsor Andrew
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of TW327708B publication Critical patent/TW327708B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
TW086106814A 1996-05-24 1997-05-21 Apparatus, method and manufacture for carrier frequency compensation in a FM radio transmitter TW327708B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/653,307 US5751114A (en) 1996-05-24 1996-05-24 Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter

Publications (1)

Publication Number Publication Date
TW327708B true TW327708B (en) 1998-03-01

Family

ID=24620331

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086106814A TW327708B (en) 1996-05-24 1997-05-21 Apparatus, method and manufacture for carrier frequency compensation in a FM radio transmitter

Country Status (13)

Country Link
US (1) US5751114A (zh)
EP (1) EP0901725B1 (zh)
JP (1) JP3393651B2 (zh)
KR (1) KR100295008B1 (zh)
CN (1) CN1157903C (zh)
BR (1) BR9709602A (zh)
CA (1) CA2248055C (zh)
CZ (1) CZ381298A3 (zh)
DE (1) DE69730708T2 (zh)
MY (1) MY116899A (zh)
PL (1) PL183141B1 (zh)
TW (1) TW327708B (zh)
WO (1) WO1997044940A1 (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6192087B1 (en) 1996-11-15 2001-02-20 Conexant Systems, Inc. Method and apparatus for spectral shaping in signal-point limited transmission systems
US6278744B1 (en) 1996-11-15 2001-08-21 Conexant Systems, Inc. System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
US5890057A (en) * 1996-11-27 1999-03-30 Sierra Wireless, Inc. Modulation signal calibration between modem and radio using loopback
ES2142753B1 (es) * 1998-04-17 2000-11-16 Iglesias Angel Sa Transmisor de señales fsk
US7149242B1 (en) 2000-05-31 2006-12-12 Bitrage, Inc. Communications system for improving transmission rates and transmission distances of data signals across communications links
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
FI20001774A (fi) * 2000-08-10 2002-02-11 Nokia Networks Oy Lähetinvastaanottimen testaaminen
US6801581B1 (en) * 2000-09-13 2004-10-05 Intel Corporation DC offset cancellation
US6785342B1 (en) * 2000-11-06 2004-08-31 Wideband Semiconductors, Inc. Nonlinear pre-distortion modulator and long loop control
KR100429981B1 (ko) * 2001-12-26 2004-05-03 엘지전자 주식회사 Ａｑｍ의 에러보상장치 및 방법
US6968490B2 (en) * 2003-03-07 2005-11-22 Intel Corporation Techniques for automatic eye-degradation testing of a high-speed serial receiver
US9479203B2 (en) * 2011-04-14 2016-10-25 Mediatek Inc. Transceiver capable of IQ mismatch compensation on the fly and method thereof
CN104935539B (zh) * 2014-03-17 2019-02-05 深圳市中兴微电子技术有限公司 一种校准射频收发机的系统及方法
CN104651905B (zh) * 2015-01-28 2017-11-07 永保纳米科技(深圳)有限公司 一种阳极铝匀染缓染助剂及其操作液，和阳极铝匀染缓染处理工艺
US10727980B2 (en) * 2018-05-08 2020-07-28 Ibiquity Digital Corporation Lumb service modes for FM HD radio broadcasts

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826692B2 (ja) * 1975-11-20 1983-06-04 ソニー株式会社 センキヨクソウチ
JPS5811131B2 (ja) * 1975-11-22 1983-03-01 ソニー株式会社 センキヨクソウチ
CA1217233A (en) * 1982-12-29 1987-01-27 Susumu Sasaki Qam with dc bias in one channel
US4870699A (en) * 1986-03-26 1989-09-26 General Electric Company Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device
US4905305A (en) * 1986-03-26 1990-02-27 General Electric Company Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
GB8830282D0 (en) * 1988-12-28 1989-02-22 Astec Int Ltd The setting of electronic circuits
FI83715C (fi) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Logikstyrd intrimning och kompensation av signalnivaoer och deviationer i en radiotelefon.
FI83718C (fi) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Foerfarande foer instaemning och kompensation av radiotelefonens nivaoindikator.
SE465494B (sv) * 1990-01-22 1991-09-16 Ericsson Telefon Ab L M Foerfarande att kompensera foer olineariteter i en slutfoerstaerkare
US5396251A (en) * 1992-12-15 1995-03-07 Texas Instruments Deutschland Gmbh Electronic transponder tuning procedure
US5550865A (en) * 1993-05-05 1996-08-27 National Semiconductor Corporation Frequency modulator for data transceiver
US5663989A (en) * 1993-10-28 1997-09-02 Plessey Semiconductors Limited Control arrangements for digital radio receivers
US5453748A (en) * 1993-11-15 1995-09-26 Westinghouse Norden Systems Method and apparatus for responding to an interrogation signal

Also Published As

Publication number Publication date
BR9709602A (pt) 1999-08-10
PL183141B1 (pl) 2002-05-31
MY116899A (en) 2004-04-30
DE69730708T2 (de) 2005-09-22
EP0901725A1 (en) 1999-03-17
CN1220797A (zh) 1999-06-23
CA2248055A1 (en) 1997-11-27
PL329933A1 (en) 1999-04-26
JP3393651B2 (ja) 2003-04-07
CZ381298A3 (cs) 1999-08-11
CA2248055C (en) 2004-10-26
EP0901725B1 (en) 2004-09-15
WO1997044940A1 (en) 1997-11-27
JPH11510676A (ja) 1999-09-14
DE69730708D1 (de) 2004-10-21
US5751114A (en) 1998-05-12
CN1157903C (zh) 2004-07-14
KR20000015961A (ko) 2000-03-25
KR100295008B1 (ko) 2001-08-07

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees