ATA774473A - CIRCUIT ARRANGEMENT FOR A TELEVISION OR RADIO RECEIVER FOR SWITCHING THROUGH A TUNING VOLTAGE - Google Patents

CIRCUIT ARRANGEMENT FOR A TELEVISION OR RADIO RECEIVER FOR SWITCHING THROUGH A TUNING VOLTAGE

Info

Publication number
ATA774473A
ATA774473A AT774473A AT774473A ATA774473A AT A774473 A ATA774473 A AT A774473A AT 774473 A AT774473 A AT 774473A AT 774473 A AT774473 A AT 774473A AT A774473 A ATA774473 A AT A774473A
Authority
AT
Austria
Prior art keywords
television
switching
circuit arrangement
radio receiver
tuning voltage
Prior art date
Application number
AT774473A
Other languages
German (de)
Other versions
AT336708B (en
Original Assignee
Philips Nv
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
Priority claimed from DE19722244283 external-priority patent/DE2244283C3/en
Priority claimed from DE19732326655 external-priority patent/DE2326655C3/en
Application filed by Philips Nv filed Critical Philips Nv
Publication of ATA774473A publication Critical patent/ATA774473A/en
Application granted granted Critical
Publication of AT336708B publication Critical patent/AT336708B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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
    • H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/603—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors with coupled emitters
AT774473A 1972-09-09 1973-09-06 CIRCUIT ARRANGEMENT FOR A TELEVISION OR RADIO RECEIVER FOR SWITCHING THROUGH A TUNING VOLTAGE AT336708B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722244283 DE2244283C3 (en) 1972-09-09 1972-09-09 Circuit arrangement Me a television or radio receiver for switching through the tuning voltage
DE19732326655 DE2326655C3 (en) 1973-05-25 1973-05-25 Circuit arrangement for a television or radio receiver for switching through the tuning voltage

Publications (2)

Publication Number Publication Date
ATA774473A true ATA774473A (en) 1976-09-15
AT336708B AT336708B (en) 1977-05-25

Family

ID=25763812

Family Applications (1)

Application Number Title Priority Date Filing Date
AT774473A AT336708B (en) 1972-09-09 1973-09-06 CIRCUIT ARRANGEMENT FOR A TELEVISION OR RADIO RECEIVER FOR SWITCHING THROUGH A TUNING VOLTAGE

Country Status (6)

Country Link
JP (1) JPS5738048B2 (en)
AT (1) AT336708B (en)
FR (1) FR2204078B1 (en)
GB (1) GB1447869A (en)
IT (1) IT996660B (en)
NL (1) NL161939C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199967A (en) * 1975-02-28 1976-09-03 Mitsubishi Electric Corp ANAROGUDENATSUSENTAKUKAIRO
JPS52150952U (en) * 1976-05-13 1977-11-16
NL186789C (en) * 1979-02-16 1991-02-18 Philips Nv SWITCHING CIRCUIT FITTED WITH MULTIPLE INPUT CHANNELS AND AN OUTPUT CHANNEL.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4328598Y1 (en) * 1964-09-03 1968-11-25

Also Published As

Publication number Publication date
IT996660B (en) 1975-12-10
FR2204078B1 (en) 1976-05-14
NL161939C (en) 1980-03-17
AT336708B (en) 1977-05-25
NL7311991A (en) 1974-03-12
JPS5738048B2 (en) 1982-08-13
JPS4992904A (en) 1974-09-04
FR2204078A1 (en) 1974-05-17
GB1447869A (en) 1976-09-02
NL161939B (en) 1979-10-15

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Legal Events

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