MX9102892A - Sistema de control de frecuencia. - Google Patents

Sistema de control de frecuencia.

Info

Publication number
MX9102892A
MX9102892A MX9102892A MX9102892A MX9102892A MX 9102892 A MX9102892 A MX 9102892A MX 9102892 A MX9102892 A MX 9102892A MX 9102892 A MX9102892 A MX 9102892A MX 9102892 A MX9102892 A MX 9102892A
Authority
MX
Mexico
Prior art keywords
control system
frequency control
frequency
control
Prior art date
Application number
MX9102892A
Other languages
English (en)
Inventor
Theodore T Sanecki
Ralph D Amallwood
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
Publication of MX9102892A publication Critical patent/MX9102892A/es

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
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Superheterodyne Receivers (AREA)
MX9102892A 1990-12-31 1991-12-31 Sistema de control de frecuencia. MX9102892A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63631190A 1990-12-31 1990-12-31

Publications (1)

Publication Number Publication Date
MX9102892A true MX9102892A (es) 1992-06-01

Family

ID=24551346

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9102892A MX9102892A (es) 1990-12-31 1991-12-31 Sistema de control de frecuencia.

Country Status (6)

Country Link
JP (1) JPH05505088A (es)
KR (1) KR970007361B1 (es)
CA (1) CA2073341C (es)
GB (1) GB2258961B (es)
MX (1) MX9102892A (es)
WO (1) WO1992012578A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280644A (en) * 1992-12-22 1994-01-18 Motorola, Inc. Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts
KR100804843B1 (ko) * 2005-04-22 2008-02-20 헬쓰 앤드 라이프 컴퍼니 리미티드 무선 전자 의료 장치의 주파수 채널 변경 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662269A (en) * 1969-04-28 1972-05-09 Us Navy Remote drift rate compensator for frequency standards
US4618996A (en) * 1984-04-24 1986-10-21 Avnet, Inc. Dual pilot phase lock loop for radio frequency transmission
US4703520A (en) * 1986-10-31 1987-10-27 Motorola, Inc. Radio transceiver having an adaptive reference oscillator
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff

Also Published As

Publication number Publication date
GB2258961A (en) 1993-02-24
GB2258961B (en) 1995-03-08
WO1992012578A1 (en) 1992-07-23
CA2073341C (en) 1996-06-25
KR920704447A (ko) 1992-12-19
JPH05505088A (ja) 1993-07-29
GB9218094D0 (en) 1992-11-04
KR970007361B1 (ko) 1997-05-07

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees