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GB1373362A - Circuit arrangment for automatic signal seeking and tuning - Google Patents

Circuit arrangment for automatic signal seeking and tuning

Info

Publication number
GB1373362A
GB1373362A GB5153771A GB5153771A GB1373362A GB 1373362 A GB1373362 A GB 1373362A GB 5153771 A GB5153771 A GB 5153771A GB 5153771 A GB5153771 A GB 5153771A GB 1373362 A GB1373362 A GB 1373362A
Authority
GB
United Kingdom
Prior art keywords
transistor
output
conductive
voltage
base
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
GB5153771A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1373362A publication Critical patent/GB1373362A/en
Expired legal-status Critical Current

Links

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
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
GB5153771A 1970-11-10 1971-11-05 Circuit arrangment for automatic signal seeking and tuning Expired GB1373362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702055238 DE2055238A1 (xx) 1970-11-10 1970-11-10

Publications (1)

Publication Number Publication Date
GB1373362A true GB1373362A (en) 1974-11-13

Family

ID=5787688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5153771A Expired GB1373362A (en) 1970-11-10 1971-11-05 Circuit arrangment for automatic signal seeking and tuning

Country Status (3)

Country Link
AU (1) AU3548771A (xx)
DE (1) DE2055238A1 (xx)
GB (1) GB1373362A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325444B2 (xx) * 1973-01-23 1978-07-27
JPS5242649B2 (xx) * 1973-09-13 1977-10-26
DE2363349C2 (de) * 1973-12-20 1983-12-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung für den automatischen Sendersuchlauf
NL182359C (nl) * 1974-12-24 1988-02-16 Fujitsu Ten Ltd Radio-ontvanger.

Also Published As

Publication number Publication date
DE2055238A1 (xx) 1972-05-18
AU3548771A (en) 1973-05-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee