CN1052231A - 用于导入自动频率调谐信号的线路安排 - Google Patents

用于导入自动频率调谐信号的线路安排 Download PDF

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Publication number
CN1052231A
CN1052231A CN 90109262 CN90109262A CN1052231A CN 1052231 A CN1052231 A CN 1052231A CN 90109262 CN90109262 CN 90109262 CN 90109262 A CN90109262 A CN 90109262A CN 1052231 A CN1052231 A CN 1052231A
Authority
CN
China
Prior art keywords
capacitor
oscillator
circuit
parallel
diode
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
CN 90109262
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English (en)
Chinese (zh)
Inventor
库斯比特·卢特威希
舒尔茨·格奥克
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.)
Telefunken Electronic GmbH
Original Assignee
Telefunken Electronic GmbH
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 Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Publication of CN1052231A publication Critical patent/CN1052231A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes

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  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CN 90109262 1989-12-01 1990-11-20 用于导入自动频率调谐信号的线路安排 Pending CN1052231A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893939742 DE3939742C1 (enExample) 1989-12-01 1989-12-01
DE3939742.4 1989-12-01

Publications (1)

Publication Number Publication Date
CN1052231A true CN1052231A (zh) 1991-06-12

Family

ID=6394582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 90109262 Pending CN1052231A (zh) 1989-12-01 1990-11-20 用于导入自动频率调谐信号的线路安排

Country Status (3)

Country Link
EP (1) EP0434941A1 (enExample)
CN (1) CN1052231A (enExample)
DE (1) DE3939742C1 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1296226C2 (de) * 1967-12-09 1978-03-16 Philips" Patentverwaltung GmbH, 2000 Hamburg Abstimm-schaltungsanordnung mit einer schaltdiode
JPH0644185Y2 (ja) * 1988-02-10 1994-11-14 アルプス電気株式会社 電子同調チューナにおける局部発振回路

Also Published As

Publication number Publication date
DE3939742C1 (enExample) 1990-12-06
EP0434941A1 (de) 1991-07-03

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication