JPS639684B2 - - Google Patents

Info

Publication number
JPS639684B2
JPS639684B2 JP55147250A JP14725080A JPS639684B2 JP S639684 B2 JPS639684 B2 JP S639684B2 JP 55147250 A JP55147250 A JP 55147250A JP 14725080 A JP14725080 A JP 14725080A JP S639684 B2 JPS639684 B2 JP S639684B2
Authority
JP
Japan
Prior art keywords
frequency
output
intermediate frequency
variable
circuit
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
Application number
JP55147250A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5769926A (en
Inventor
Shuichi Ninomya
Kyotake Fukui
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14725080A priority Critical patent/JPS5769926A/ja
Publication of JPS5769926A publication Critical patent/JPS5769926A/ja
Publication of JPS639684B2 publication Critical patent/JPS639684B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0245Discontinuous 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
    • H03J5/0272Discontinuous 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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
JP14725080A 1980-10-20 1980-10-20 Pll synthesizer receiver Granted JPS5769926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14725080A JPS5769926A (en) 1980-10-20 1980-10-20 Pll synthesizer receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14725080A JPS5769926A (en) 1980-10-20 1980-10-20 Pll synthesizer receiver

Publications (2)

Publication Number Publication Date
JPS5769926A JPS5769926A (en) 1982-04-30
JPS639684B2 true JPS639684B2 (en, 2012) 1988-03-01

Family

ID=15425974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14725080A Granted JPS5769926A (en) 1980-10-20 1980-10-20 Pll synthesizer receiver

Country Status (1)

Country Link
JP (1) JPS5769926A (en, 2012)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5478010A (en) * 1977-12-02 1979-06-21 Beltek Corp Radio receiver

Also Published As

Publication number Publication date
JPS5769926A (en) 1982-04-30

Similar Documents

Publication Publication Date Title
CA2104182C (en) Double conversion digital tuning system
US4580289A (en) Fully integratable superheterodyne radio receiver utilizing tunable filters
NO302599B1 (no) Frekvenssyntetiserer samt fremgangsmåte derved
JP2729028B2 (ja) Fm搬送波の復調方法および復調回路
JPS6024736A (ja) 同調装置
US7551906B2 (en) AM/FM radio receiver and local oscillator circuit used therein
JPH07307645A (ja) 自動周波数制御回路
US4097816A (en) Tuning system
US4095190A (en) Tuning system
JPS639684B2 (en, 2012)
JPS6131647B2 (en, 2012)
JPS6119184B2 (en, 2012)
JPH0156580B2 (en, 2012)
JP2848156B2 (ja) 周波数可変形高周波発振回路
KR0132903Y1 (ko) 안테나 자동 조정회로
JPS5829899B2 (ja) 発振器
GB2331643A (en) Local oscillator arrangement
JPS6161734B2 (en, 2012)
JPH08195918A (ja) デジタルアナログ共用受信装置
JP2003204263A (ja) 位相同期回路、および同調装置
JPS58100511A (ja) Fm復調回路
JPH04271520A (ja) マルチpllシンセサイザ
JPS60245319A (ja) シンセサイザ方式のfm受信装置
JPH01106524A (ja) 位相同期発振器
JPH0730375A (ja) Aft回路およびこれを用いた電子同調チューナ