DE2304058C3 - Regelbare aperiodische Hochfrequenz-Eingangsstufe - Google Patents

Regelbare aperiodische Hochfrequenz-Eingangsstufe

Info

Publication number
DE2304058C3
DE2304058C3 DE2304058A DE2304058A DE2304058C3 DE 2304058 C3 DE2304058 C3 DE 2304058C3 DE 2304058 A DE2304058 A DE 2304058A DE 2304058 A DE2304058 A DE 2304058A DE 2304058 C3 DE2304058 C3 DE 2304058C3
Authority
DE
Germany
Prior art keywords
diode
pin diode
input stage
transistor
pin
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
DE2304058A
Other languages
German (de)
English (en)
Other versions
DE2304058B2 (de
DE2304058A1 (de
Inventor
Willi 3151 Haemelerwald Heindorf
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.)
Blaupunkt Werke GmbH
Original Assignee
Blaupunkt Werke 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 Blaupunkt Werke GmbH filed Critical Blaupunkt Werke GmbH
Priority to DE2304058A priority Critical patent/DE2304058C3/de
Priority to FR7337831A priority patent/FR2215757B1/fr
Priority to SE7400934A priority patent/SE395810B/xx
Priority to ZA740550A priority patent/ZA74550B/xx
Publication of DE2304058A1 publication Critical patent/DE2304058A1/de
Publication of DE2304058B2 publication Critical patent/DE2304058B2/de
Application granted granted Critical
Publication of DE2304058C3 publication Critical patent/DE2304058C3/de
Expired legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H03G1/0058—PIN-diodes

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Attenuators (AREA)
DE2304058A 1973-01-27 1973-01-27 Regelbare aperiodische Hochfrequenz-Eingangsstufe Expired DE2304058C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2304058A DE2304058C3 (de) 1973-01-27 1973-01-27 Regelbare aperiodische Hochfrequenz-Eingangsstufe
FR7337831A FR2215757B1 (enExample) 1973-01-27 1973-10-24
SE7400934A SE395810B (sv) 1973-01-27 1974-01-24 Reglerbart, aperiodiskt hogfrekvenssteg
ZA740550A ZA74550B (en) 1973-01-27 1974-01-25 An adjustable aperiodic high-frequency input stage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2304058A DE2304058C3 (de) 1973-01-27 1973-01-27 Regelbare aperiodische Hochfrequenz-Eingangsstufe

Publications (3)

Publication Number Publication Date
DE2304058A1 DE2304058A1 (de) 1974-08-01
DE2304058B2 DE2304058B2 (de) 1979-05-17
DE2304058C3 true DE2304058C3 (de) 1980-01-10

Family

ID=5870151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2304058A Expired DE2304058C3 (de) 1973-01-27 1973-01-27 Regelbare aperiodische Hochfrequenz-Eingangsstufe

Country Status (4)

Country Link
DE (1) DE2304058C3 (enExample)
FR (1) FR2215757B1 (enExample)
SE (1) SE395810B (enExample)
ZA (1) ZA74550B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06326628A (ja) * 1993-05-13 1994-11-25 Toshiba Corp アンテナ入力切換回路
DE9419377U1 (de) * 1994-12-06 1995-02-09 Spaun-electronic GmbH, 78224 Singen Elektronisch veränderbares Dämpfungsglied für HF-Signale oberhalb etwa 1 MHz

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1219770A (en) * 1967-05-26 1971-01-20 Plessey Co Ltd Improvements in or relating to variable attenuators

Also Published As

Publication number Publication date
FR2215757A1 (enExample) 1974-08-23
SE395810B (sv) 1977-08-22
DE2304058B2 (de) 1979-05-17
ZA74550B (en) 1974-11-27
FR2215757B1 (enExample) 1979-04-13
DE2304058A1 (de) 1974-08-01

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee