JPS5293214A - Frequency synthesizer for transceiver - Google Patents

Frequency synthesizer for transceiver

Info

Publication number
JPS5293214A
JPS5293214A JP948576A JP948576A JPS5293214A JP S5293214 A JPS5293214 A JP S5293214A JP 948576 A JP948576 A JP 948576A JP 948576 A JP948576 A JP 948576A JP S5293214 A JPS5293214 A JP S5293214A
Authority
JP
Japan
Prior art keywords
frequency synthesizer
transceiver
syncronizing
multiplier
divider
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.)
Pending
Application number
JP948576A
Other languages
Japanese (ja)
Inventor
Isao Nakamura
Tokumi Ishikawa
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP948576A priority Critical patent/JPS5293214A/en
Publication of JPS5293214A publication Critical patent/JPS5293214A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transceivers (AREA)

Abstract

PURPOSE:To reduce the number of the crystal oscillators down to one by providing the frequency synthesizer having one reference frequency oscillator with a divider or a multiplier and the phase syncronizing circuits.
JP948576A 1976-01-30 1976-01-30 Frequency synthesizer for transceiver Pending JPS5293214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP948576A JPS5293214A (en) 1976-01-30 1976-01-30 Frequency synthesizer for transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP948576A JPS5293214A (en) 1976-01-30 1976-01-30 Frequency synthesizer for transceiver

Publications (1)

Publication Number Publication Date
JPS5293214A true JPS5293214A (en) 1977-08-05

Family

ID=11721531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP948576A Pending JPS5293214A (en) 1976-01-30 1976-01-30 Frequency synthesizer for transceiver

Country Status (1)

Country Link
JP (1) JPS5293214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63306720A (en) * 1987-06-09 1988-12-14 Oki Electric Ind Co Ltd Radio equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63306720A (en) * 1987-06-09 1988-12-14 Oki Electric Ind Co Ltd Radio equipment

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