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GB903652A - Improvements in or relating to relaxation oscillator circuits - Google Patents

Improvements in or relating to relaxation oscillator circuits

Info

Publication number
GB903652A
GB903652A GB709661A GB709661A GB903652A GB 903652 A GB903652 A GB 903652A GB 709661 A GB709661 A GB 709661A GB 709661 A GB709661 A GB 709661A GB 903652 A GB903652 A GB 903652A
Authority
GB
United Kingdom
Prior art keywords
core
relating
coil
relaxation oscillator
control current
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
GB709661A
Inventor
David Robin Birt
Maurice Charles Gander
Peter Leonard Mothersole
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 Components Ltd
Original Assignee
Mullard 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 Mullard Ltd filed Critical Mullard Ltd
Priority to GB709661A priority Critical patent/GB903652A/en
Publication of GB903652A publication Critical patent/GB903652A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/54—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using a single semiconductor device with positive feedback through a transformer, e.g. blocking oscillator

Landscapes

  • Magnetic Treatment Devices (AREA)

Abstract

903,652. Inductances. MULLARD Ltd. Feb. 27, 1961, No. 7096/61. Class 38 (2). [Also in Groups XXXIX and XL (c)] The coil L1 of a tuned circuit in an oscillator (see Group XL (c)) is wound on the outer limbs of a shell-type ferrite core so as not to produce any coupling with a coil L2 passing a control current to variably saturate the core and shortcircuited turn L3 for smoothing the control current. The saturation of the core may also be varied by a rotatable permanent magnet M located in a U-shaped magnetic path P1, P2 straddling the core.
GB709661A 1961-02-27 1961-02-27 Improvements in or relating to relaxation oscillator circuits Expired GB903652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB709661A GB903652A (en) 1961-02-27 1961-02-27 Improvements in or relating to relaxation oscillator circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB709661A GB903652A (en) 1961-02-27 1961-02-27 Improvements in or relating to relaxation oscillator circuits

Publications (1)

Publication Number Publication Date
GB903652A true GB903652A (en) 1962-08-15

Family

ID=9826548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB709661A Expired GB903652A (en) 1961-02-27 1961-02-27 Improvements in or relating to relaxation oscillator circuits

Country Status (1)

Country Link
GB (1) GB903652A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325772A (en) * 1965-10-23 1967-06-13 Signetics Corp Plug and holder and assembly thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325772A (en) * 1965-10-23 1967-06-13 Signetics Corp Plug and holder and assembly thereof

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