GB730597A - Transistor oscillator circuits - Google Patents

Transistor oscillator circuits

Info

Publication number
GB730597A
GB730597A GB2105952A GB2105952A GB730597A GB 730597 A GB730597 A GB 730597A GB 2105952 A GB2105952 A GB 2105952A GB 2105952 A GB2105952 A GB 2105952A GB 730597 A GB730597 A GB 730597A
Authority
GB
United Kingdom
Prior art keywords
resistor
oscillator circuits
aug
capacitor
transistor oscillator
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
GB2105952A
Inventor
Robert Blake Jackson
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB2105952A priority Critical patent/GB730597A/en
Publication of GB730597A publication Critical patent/GB730597A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

730,597. Transistor oscillators. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Aug. 4, 1953 [Aug. 21, 1952], No. 21059/52. Class 40 (6). A feed-back circuit comprising a capacitor C and resistor R1 is arranged between a tap on potentiometer Rc in the collector lead and the emitter e. The resistor Rb is adjusted to give a substantially sine-wave output. By varying the value of resistor R1 and/or capacitor C, the frequency of oscillation may be varied. The emitter bias battery may be omitted and resistor R2 connected to earth.
GB2105952A 1952-08-21 1952-08-21 Transistor oscillator circuits Expired GB730597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2105952A GB730597A (en) 1952-08-21 1952-08-21 Transistor oscillator circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2105952A GB730597A (en) 1952-08-21 1952-08-21 Transistor oscillator circuits

Publications (1)

Publication Number Publication Date
GB730597A true GB730597A (en) 1955-05-25

Family

ID=10156494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2105952A Expired GB730597A (en) 1952-08-21 1952-08-21 Transistor oscillator circuits

Country Status (1)

Country Link
GB (1) GB730597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955213A (en) * 1956-08-10 1960-10-04 Barber Colman Co Transistor amplifier with stepped qutput

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955213A (en) * 1956-08-10 1960-10-04 Barber Colman Co Transistor amplifier with stepped qutput

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