DE69031827T2 - Abstimmdetektorschaltung - Google Patents

Abstimmdetektorschaltung

Info

Publication number
DE69031827T2
DE69031827T2 DE69031827T DE69031827T DE69031827T2 DE 69031827 T2 DE69031827 T2 DE 69031827T2 DE 69031827 T DE69031827 T DE 69031827T DE 69031827 T DE69031827 T DE 69031827T DE 69031827 T2 DE69031827 T2 DE 69031827T2
Authority
DE
Germany
Prior art keywords
band
tuning
transistor
resistors
mute
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 - Fee Related
Application number
DE69031827T
Other languages
German (de)
English (en)
Other versions
DE69031827D1 (de
Inventor
Masashi Kouyadai Heights Itoh
Shuuji - Watanabe
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69031827D1 publication Critical patent/DE69031827D1/de
Publication of DE69031827T2 publication Critical patent/DE69031827T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/341—Muting when no signals or only weak signals are present

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Prepayment Telephone Systems (AREA)
  • Amplifiers (AREA)
DE69031827T 1989-10-17 1990-10-17 Abstimmdetektorschaltung Expired - Fee Related DE69031827T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1269664A JPH03132105A (ja) 1989-10-17 1989-10-17 同調検出回路
PCT/JP1990/001335 WO1991006150A1 (fr) 1989-10-17 1990-10-17 Circuit detecteur d'accord

Publications (2)

Publication Number Publication Date
DE69031827D1 DE69031827D1 (de) 1998-01-29
DE69031827T2 true DE69031827T2 (de) 1998-05-07

Family

ID=17475494

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031827T Expired - Fee Related DE69031827T2 (de) 1989-10-17 1990-10-17 Abstimmdetektorschaltung

Country Status (6)

Country Link
US (1) US5239702A (enExample)
EP (1) EP0448729B1 (enExample)
JP (1) JPH03132105A (enExample)
KR (1) KR910008986A (enExample)
DE (1) DE69031827T2 (enExample)
WO (1) WO1991006150A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10136702B2 (en) 2012-01-16 2018-11-27 Kahtoola, Inc. Footwear accessory binding system
US11587781B2 (en) 2021-05-24 2023-02-21 Hamamatsu Photonics K.K. Laser-driven light source with electrodeless ignition
US12165856B2 (en) 2022-02-21 2024-12-10 Hamamatsu Photonics K.K. Inductively coupled plasma light source
US12144072B2 (en) 2022-03-29 2024-11-12 Hamamatsu Photonics K.K. All-optical laser-driven light source with electrodeless ignition
US12156322B2 (en) 2022-12-08 2024-11-26 Hamamatsu Photonics K.K. Inductively coupled plasma light source with switched power supply

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230309A (en) * 1975-09-03 1977-03-08 Nippon Gakki Seizo Kk Tuner
JPS5924200Y2 (ja) * 1978-08-03 1984-07-18 パイオニア株式会社 電子同調受信機
JPS5741043A (en) * 1980-08-25 1982-03-06 Nec Corp Frequency modulation radio receiver
DE3130341A1 (de) * 1980-09-17 1982-06-16 Hitachi, Ltd., Tokyo Rauschsperre und mit dieser versehener fm-funkempfaenger
JPS58164329A (ja) * 1982-03-24 1983-09-29 Mitsubishi Electric Corp Ｆｍミユ−テイング回路
JPH0744471B2 (ja) * 1984-12-13 1995-05-15 ソニー株式会社 ミユ−テイング回路

Also Published As

Publication number Publication date
EP0448729A4 (en) 1992-08-12
JPH0582087B2 (enExample) 1993-11-17
US5239702A (en) 1993-08-24
KR910008986A (ko) 1991-05-31
EP0448729B1 (en) 1997-12-17
EP0448729A1 (en) 1991-10-02
WO1991006150A1 (fr) 1991-05-02
DE69031827D1 (de) 1998-01-29
JPH03132105A (ja) 1991-06-05

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee