ES2020088A6 - Transceptor de frecuencia modulada. - Google Patents

Transceptor de frecuencia modulada.

Info

Publication number
ES2020088A6
ES2020088A6 ES909000077A ES9000077A ES2020088A6 ES 2020088 A6 ES2020088 A6 ES 2020088A6 ES 909000077 A ES909000077 A ES 909000077A ES 9000077 A ES9000077 A ES 9000077A ES 2020088 A6 ES2020088 A6 ES 2020088A6
Authority
ES
Spain
Prior art keywords
frequency
transmitter
modulated
local oscillator
output
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES909000077A
Other languages
English (en)
Spanish (es)
Inventor
Jarno Makinen
Reino Talarmo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Telenokia Oy
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 Telenokia Oy filed Critical Telenokia Oy
Publication of ES2020088A6 publication Critical patent/ES2020088A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
ES909000077A 1989-01-13 1990-01-12 Transceptor de frecuencia modulada. Expired - Lifetime ES2020088A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI890192A FI80550C (fi) 1989-01-13 1989-01-13 Frekvensmodulerad saendarmottagare.

Publications (1)

Publication Number Publication Date
ES2020088A6 true ES2020088A6 (es) 1991-07-16

Family

ID=8527720

Family Applications (1)

Application Number Title Priority Date Filing Date
ES909000077A Expired - Lifetime ES2020088A6 (es) 1989-01-13 1990-01-12 Transceptor de frecuencia modulada.

Country Status (6)

Country Link
AU (1) AU4792490A (it)
ES (1) ES2020088A6 (it)
FI (1) FI80550C (it)
FR (1) FR2641916A1 (it)
GB (1) GB2228378A (it)
IT (1) IT1238166B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2909795A (en) * 1994-06-29 1996-01-25 Honeywell Inc. Spurious response rejecting mixer using spread spectrum techniques
NO305499B1 (no) * 1996-11-06 1999-06-07 Nera Asa System og fremgangsmÕte ved nedomforming hvor det mottatte signalet nedomformes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1023434A (en) * 1973-03-02 1977-12-27 Salvatore Amoroso (Jr.) Single oscillator microwave transceiver
US3916412A (en) * 1974-08-29 1975-10-28 United Technologies Corp Frequency stabilized single oscillator transceivers
US4633511A (en) * 1983-08-24 1986-12-30 Toyo Communication Equipment Co. Signal transmission and reception system
WO1985002734A1 (en) * 1983-12-05 1985-06-20 Motorola, Inc. Duplex communication transceiver with modulation cancellation
GB8420210D0 (en) * 1984-08-09 1984-09-12 British Telecomm Duplex microwave equipment
JPS61220528A (ja) * 1985-03-26 1986-09-30 Nec Corp 同時送受話無線機

Also Published As

Publication number Publication date
FR2641916A1 (en) 1990-07-20
GB2228378A (en) 1990-08-22
AU4792490A (en) 1990-07-19
FI80550C (fi) 1990-06-11
GB9000640D0 (en) 1990-03-14
IT9019052A1 (it) 1990-07-14
FI80550B (fi) 1990-02-28
FI890192A0 (fi) 1989-01-13
IT1238166B (it) 1993-07-09
IT9019052A0 (it) 1990-01-12

Similar Documents

Publication Publication Date Title
WO1992017946A3 (en) Generating transmit injection from receiver first and second injections
US4520474A (en) Duplex communication transceiver with modulation cancellation
EP0729238A3 (en) Transmitter and transceiver
GB1518831A (en) Frequency stabilized single oscillator transceivers
DE59008497D1 (de) Übertragungsstrecke.
EP0862818A4 (en) INDIRECT HETERODYNE RECEIVER FOR SUBMILLIMETER RADIATION AND MIXER ELEMENT
CH653853GA3 (it)
DE69224216D1 (de) Verfahren zum sendefrequenzversatz mittels frequenzteilung zur verringerung der selbstinterferenz
CA2198337A1 (en) Frequency spreading clock modulation
SE7509372L (sv) Kombinerad sendar- och mottagarenhet for telekommunikationssystem av duplextyp
EP0082473A3 (en) Frequency modulation transmitter
WO1996027948A3 (en) Method and apparatus for controlling frequency of a multi-channel transmitter
ES2020089A6 (es) Transceptor de frecuencia modulada.
ES2020088A6 (es) Transceptor de frecuencia modulada.
NO924534L (no) Radiotestsloeyfe for en radiotransceiver
EP0325394A3 (en) Transmitter having pll circuit
US4357580A (en) Wideband microwave frequency divider
JPS55161429A (en) Signal transmitting and receiving system
JPS57192144A (en) Transmitter and receiver
US2985753A (en) Crystal saver circuit
US4542534A (en) Single-sideband FM
JPS57178435A (en) Fm transmitter and receiver
GB804605A (en) Radio location system
DE69734919D1 (de) Fsk-empfänger
JPS57193133A (en) Simultaneous transmitter and receiver

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991102