KR900001124A - Tuner Band Switching Circuit - Google Patents

Tuner Band Switching Circuit Download PDF

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Publication number
KR900001124A
KR900001124A KR1019890008000A KR890008000A KR900001124A KR 900001124 A KR900001124 A KR 900001124A KR 1019890008000 A KR1019890008000 A KR 1019890008000A KR 890008000 A KR890008000 A KR 890008000A KR 900001124 A KR900001124 A KR 900001124A
Authority
KR
South Korea
Prior art keywords
band
circuit
switch circuit
switching circuit
band switching
Prior art date
Application number
KR1019890008000A
Other languages
Korean (ko)
Inventor
가즈히꼬 마에지마
Original Assignee
오가 노티오
소니 가부시기가이샤
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 오가 노티오, 소니 가부시기가이샤 filed Critical 오가 노티오
Publication of KR900001124A publication Critical patent/KR900001124A/en

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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
    • H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음No content

Description

튜너의 밴드전환회로Tuner Band Switching Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본원 발명의 일실시예를 나타내는 회로구성도.1 is a circuit diagram showing an embodiment of the present invention.

제2도 및 제3도는 각각 본원 발명의 다른 실시예를 나타내는 회로구성도.2 and 3 are circuit diagrams showing another embodiment of the present invention, respectively.

Claims (3)

고주파증폭회로의 출력이 부여되는 공통의 배리캡회로를 사이에 두고 상단측(上段側)및 하단측(下段側)에 제1과 제2의 밴드전환회로를 각각 용량접속한 것을 특징으로 하는 튜너의 밴드전환회로.A tuner characterized in that the first and second band switching circuits are capacitively connected to an upper side and a lower side, respectively, with a common barrier cap circuit to which the output of the high frequency amplification circuit is applied. Band switching circuit. 제1항에 있어서, 제1의 밴드전환회로가 하이밴드용의 밴드전환회로인 것을 특징으로 하는 튜너의 밴드전환회로.2. The band switch circuit of a tuner according to claim 1, wherein the first band switch circuit is a band switch circuit for a high band. 제2항에 있어서, 제1의 밴드전환회로가 고주파증폭회로의 출력측에 직류접속되어 있는 것을 특징으로 하는 튜너의 밴드전환회로.3. The band switch circuit of a tuner according to claim 2, wherein the first band switch circuit is connected directly to the output side of the high frequency amplification circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890008000A 1988-06-20 1989-06-10 Tuner Band Switching Circuit KR900001124A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP88-151531 1988-06-20
JP63151531A JPH01318422A (en) 1988-06-20 1988-06-20 Band switching circuit for tuner

Publications (1)

Publication Number Publication Date
KR900001124A true KR900001124A (en) 1990-01-31

Family

ID=15520550

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890008000A KR900001124A (en) 1988-06-20 1989-06-10 Tuner Band Switching Circuit

Country Status (2)

Country Link
JP (1) JPH01318422A (en)
KR (1) KR900001124A (en)

Also Published As

Publication number Publication date
JPH01318422A (en) 1989-12-22

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