KR900002656Y1 - Rf 변조기 - Google Patents

Rf 변조기 Download PDF

Info

Publication number
KR900002656Y1
KR900002656Y1 KR2019870003774U KR870003774U KR900002656Y1 KR 900002656 Y1 KR900002656 Y1 KR 900002656Y1 KR 2019870003774 U KR2019870003774 U KR 2019870003774U KR 870003774 U KR870003774 U KR 870003774U KR 900002656 Y1 KR900002656 Y1 KR 900002656Y1
Authority
KR
South Korea
Prior art keywords
diode
modulator
coil
pick
popped
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
KR2019870003774U
Other languages
English (en)
Korean (ko)
Other versions
KR880007097U (ko
Inventor
토오 마사 시 카
Original Assignee
알프스뎅키 가부시키가이샤
가다오카 가쓰다로오
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 알프스뎅키 가부시키가이샤, 가다오카 가쓰다로오 filed Critical 알프스뎅키 가부시키가이샤
Publication of KR880007097U publication Critical patent/KR880007097U/ko
Application granted granted Critical
Publication of KR900002656Y1 publication Critical patent/KR900002656Y1/ko
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/08Amplitude modulation by means of variable impedance element
    • H03C1/14Amplitude modulation by means of variable impedance element the element being a diode

Landscapes

  • Amplitude Modulation (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
KR2019870003774U 1986-09-09 1987-03-24 Rf 변조기 Expired KR900002656Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1986139094U JPS6344517U (enrdf_load_stackoverflow) 1986-09-09 1986-09-09
JP61-139094 1986-09-09

Publications (2)

Publication Number Publication Date
KR880007097U KR880007097U (ko) 1988-05-31
KR900002656Y1 true KR900002656Y1 (ko) 1990-03-31

Family

ID=15237353

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870003774U Expired KR900002656Y1 (ko) 1986-09-09 1987-03-24 Rf 변조기

Country Status (2)

Country Link
JP (1) JPS6344517U (enrdf_load_stackoverflow)
KR (1) KR900002656Y1 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947814A (ja) * 1982-09-10 1984-03-17 Alps Electric Co Ltd Rf変調器

Also Published As

Publication number Publication date
JPS6344517U (enrdf_load_stackoverflow) 1988-03-25
KR880007097U (ko) 1988-05-31

Similar Documents

Publication Publication Date Title
US4384263A (en) Leadless filter
EP0667685B1 (en) Branching filter, branching filter module and radio communication apparatus
US5386214A (en) Electronic circuit device
KR100343898B1 (ko) 복합 회로기판, 비가역 회로소자, 공진기, 필터, 듀플렉서, 통신장치, 회로모듈, 복합 회로기판의 제조방법 및 비가역 회로소자의 제조방법
US4835499A (en) Voltage tunable bandpass filter
EP0617568B1 (en) Capacitor mounting structure for printed circuit boards
KR100303176B1 (ko) 병렬공진회로로작동하는평형집적회로소자
US6087912A (en) High frequency multi-layer module comprising a dielectric resonator
KR900002656Y1 (ko) Rf 변조기
EP0301789B1 (en) 1/2 wavelength side coupling filter
US6232846B1 (en) Oscillator module and communications device using the same
US4461040A (en) Integrated single balanced mixer/oscillator with slot and hybrid coupler
KR900002655Y1 (ko) Rf 모듀레이터
KR900003012Y1 (ko) Rf 모듈레이터
JPS63306701A (ja) 誘電体フィルタ
US5457431A (en) Electronic tuning circuit and method of manufacture
JP2002158449A (ja) 高周波電子回路モジュールおよびモジュール用多層基板
JP2002534876A (ja) 2個の伝送コイルを持つ伝送コイル構成を備えたトランスポンダ通信ステーション
KR100286795B1 (ko) 비가역소자의 프레임
JPH0134419Y2 (enrdf_load_stackoverflow)
JPS6348446B2 (enrdf_load_stackoverflow)
JPH0233398Y2 (enrdf_load_stackoverflow)
JPS63141273A (ja) 同軸ケ−ブルの接続方法
JPH0332092Y2 (enrdf_load_stackoverflow)
KR900005652Y1 (ko) Rf 모듈레이터의 발진장치

Legal Events

Date Code Title Description
A201 Request for examination
R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

UA0108 Application for utility model registration

St.27 status event code: A-0-1-A10-A12-nap-UA0108

UA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-UA0201

UG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-UG1501

UG1604 Publication of application

St.27 status event code: A-2-2-Q10-Q13-nap-UG1604

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-UE0701

REGI Registration of establishment
UR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-UR0701

UR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-UR1002

Fee payment year number: 1

FPAY Annual fee payment

Payment date: 19930317

Year of fee payment: 4

UR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-UR1001

Fee payment year number: 4

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-UC1903

Not in force date: 19940401

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

UC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-UC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19940401

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

UN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-UN2301

St.27 status event code: A-5-5-R10-R11-asn-UN2301