IT941760B - FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS - Google Patents

FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS

Info

Publication number
IT941760B
IT941760B IT3140871A IT3140871A IT941760B IT 941760 B IT941760 B IT 941760B IT 3140871 A IT3140871 A IT 3140871A IT 3140871 A IT3140871 A IT 3140871A IT 941760 B IT941760 B IT 941760B
Authority
IT
Italy
Prior art keywords
channels
receiver operating
transmitter receiver
modulation transmitter
vhf
Prior art date
Application number
IT3140871A
Other languages
Italian (it)
Original Assignee
Gte International 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 Gte International Inc filed Critical Gte International Inc
Priority to IT3140871A priority Critical patent/IT941760B/en
Priority to DE19722242321 priority patent/DE2242321A1/en
Application granted granted Critical
Publication of IT941760B publication Critical patent/IT941760B/en

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
IT3140871A 1971-11-20 1971-11-20 FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS IT941760B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT3140871A IT941760B (en) 1971-11-20 1971-11-20 FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS
DE19722242321 DE2242321A1 (en) 1971-11-20 1972-08-29 FREQUENCY GENERATOR FOR VHF MULTI-CHANNEL RECEIVER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3140871A IT941760B (en) 1971-11-20 1971-11-20 FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS

Publications (1)

Publication Number Publication Date
IT941760B true IT941760B (en) 1973-03-10

Family

ID=11233588

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3140871A IT941760B (en) 1971-11-20 1971-11-20 FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS

Country Status (2)

Country Link
DE (1) DE2242321A1 (en)
IT (1) IT941760B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2251742C2 (en) * 1972-10-21 1984-08-16 Robert Bosch Gmbh, 7000 Stuttgart Multi-channel walkie-talkie

Also Published As

Publication number Publication date
DE2242321A1 (en) 1973-05-30

Similar Documents

Publication Publication Date Title
IT1030818B (en) RECIVITOR FOR FREQUENCY MODULATED RF SIGNALS
CA989013A (en) Radio frequency communication systems
CA938371A (en) Receiver for a frequency modulated overlay track circuit
IT1015189B (en) FREQUENCY MODULATION RADIOR RECEIVER WIDTH MODULATION
IL41502A0 (en) A radio frequency antenna
NL7411875A (en) RADIO FREQUENCY TRANSMITTER.
IT1020340B (en) TUNING INDICATOR FOR A VITORE RADIO FREQUENCY RECEIVER
IT994626B (en) CIRCUITAL ARRANGEMENT FOR A FREQUENCY MODULATED SIGNAL RECEIVER
IT941760B (en) FREQUENCY GENERATOR FOR VHF FREQUENCY MODULATION TRANSMITTER RECEIVER OPERATING ON MULTIPLE RF CHANNELS
AU5413473A (en) A wide frequency range phase shifter device
CA984032A (en) Intrusion detection apparatus having a high frequency diode oscillator-mixer element
IT964197B (en) TUNING INDICATOR FOR RADIO FREQUENCY RECEIVERS
AU5323373A (en) A specific frequency signal detecting circuit
CA914768A (en) Voltage-controlled plural-band tuner for a wave signal receiver
CA996208A (en) Frequency selective circuit arrangement
ZA732389B (en) A receiver for a single side-band-modulated transmitter in a fixed carrier frequency raster
CA868028A (en) Radio frequency oscillator circuit
AU477385B2 (en) Radio frequency circuit
CA781009A (en) Radio frequency amplitude modulator
AU462922B2 (en) High frequency receiver
AU4959172A (en) Radio frequency circuit
CA881115A (en) Frequency independent antenna
CA913736A (en) Input stage for a receiver, particularly for the medium wave
CA879312A (en) Variable frequency multiple mode function signal generator
CA838296A (en) Radio frequency tuning device