AT250457B - Selbstschwingende Transistormischstufe, besonders für Fernsehempfänger - Google Patents

Selbstschwingende Transistormischstufe, besonders für Fernsehempfänger

Info

Publication number
AT250457B
AT250457B AT1020964A AT1020964A AT250457B AT 250457 B AT250457 B AT 250457B AT 1020964 A AT1020964 A AT 1020964A AT 1020964 A AT1020964 A AT 1020964A AT 250457 B AT250457 B AT 250457B
Authority
AT
Austria
Prior art keywords
self
television receivers
mixer stage
oscillating transistor
transistor mixer
Prior art date
Application number
AT1020964A
Other languages
English (en)
Original Assignee
Telefunken Patent
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 Patent filed Critical Telefunken Patent
Application granted granted Critical
Publication of AT250457B publication Critical patent/AT250457B/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
AT1020964A 1963-12-07 1964-12-02 Selbstschwingende Transistormischstufe, besonders für Fernsehempfänger AT250457B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET25216A DE1222996B (de) 1963-12-07 1963-12-07 Selbstschwingende Transistormischstufe

Publications (1)

Publication Number Publication Date
AT250457B true AT250457B (de) 1966-11-10

Family

ID=7551926

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1020964A AT250457B (de) 1963-12-07 1964-12-02 Selbstschwingende Transistormischstufe, besonders für Fernsehempfänger

Country Status (5)

Country Link
US (1) US3270286A (de)
AT (1) AT250457B (de)
DE (1) DE1222996B (de)
ES (1) ES306754A1 (de)
GB (1) GB1022807A (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158590B (de) * 1960-08-25 1963-12-05 Telefunken Patent Schaltung zur Entkopplung der Schwingungskreise einer selbstschwingenden Transistor-Mischstufe

Also Published As

Publication number Publication date
DE1222996B (de) 1966-08-18
ES306754A1 (es) 1965-04-01
US3270286A (en) 1966-08-30
GB1022807A (en) 1966-03-16

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