GB710612A - Temperature and voltage control capacitors - Google Patents

Temperature and voltage control capacitors

Info

Publication number
GB710612A
GB710612A GB17692/52A GB1769252A GB710612A GB 710612 A GB710612 A GB 710612A GB 17692/52 A GB17692/52 A GB 17692/52A GB 1769252 A GB1769252 A GB 1769252A GB 710612 A GB710612 A GB 710612A
Authority
GB
United Kingdom
Prior art keywords
dielectric
capacitance
frequency
error voltage
temperature
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
GB17692/52A
Inventor
James Howard Foster
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.)
Erie Resistor Corp
Original Assignee
Erie Resistor Corp
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 Erie Resistor Corp filed Critical Erie Resistor Corp
Priority to GB17692/52A priority Critical patent/GB710612A/en
Publication of GB710612A publication Critical patent/GB710612A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/06—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Temperature (AREA)

Abstract

710,612. Automatic frequency control systems. ERIE RESISTOR CORPORATION. July 14, 1952, No. 17692/52. Class 38(4) [Also in Group XXXVI] A capacitor unit having both a voltage and temperature coefficient of capacity and comprising a resistance heating element for heating the dielectric (see Group XXXVI) is used in Fig. 4 for stabilizing oscillator frequency. The tank circuit comprises at 2, 3 the capacitance of the said capacitor unit and the dielectric heating resistance 5 is in the output circuit of a D.C. amplifier 11. With occurrence of frequency drift in tank circuit 2, 3/13/14 an error voltage representative of the drift is amplified at 11 and applied across the dielectric heater 5 and the capacitance electrodes 2, 3 whereby the frequency is connected as the capacitance between 2, 3 changes firstly and directly with the error voltage and secondly with the change in dielectric temperature due to change in current through the heater 5 responsively to the error voltage.
GB17692/52A 1952-07-14 1952-07-14 Temperature and voltage control capacitors Expired GB710612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB17692/52A GB710612A (en) 1952-07-14 1952-07-14 Temperature and voltage control capacitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17692/52A GB710612A (en) 1952-07-14 1952-07-14 Temperature and voltage control capacitors

Publications (1)

Publication Number Publication Date
GB710612A true GB710612A (en) 1954-06-16

Family

ID=10099545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17692/52A Expired GB710612A (en) 1952-07-14 1952-07-14 Temperature and voltage control capacitors

Country Status (1)

Country Link
GB (1) GB710612A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1078236B (en) * 1955-09-07 1960-03-24 Steatit Magnesia Ag Voltage dependent capacitor with ceramic dielectric
DE1116821B (en) * 1954-07-02 1961-11-09 Siemens Ag Arrangement for stabilizing electrical switching elements or electrical circuit arrangements to a certain temperature
GB2237923A (en) * 1989-09-01 1991-05-15 Eev Ltd Transmission lines with non-linear dielectric
US8988849B2 (en) 2009-12-21 2015-03-24 Epcos Ag Varactor and method for producing a varactor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116821B (en) * 1954-07-02 1961-11-09 Siemens Ag Arrangement for stabilizing electrical switching elements or electrical circuit arrangements to a certain temperature
DE1078236B (en) * 1955-09-07 1960-03-24 Steatit Magnesia Ag Voltage dependent capacitor with ceramic dielectric
GB2237923A (en) * 1989-09-01 1991-05-15 Eev Ltd Transmission lines with non-linear dielectric
US8988849B2 (en) 2009-12-21 2015-03-24 Epcos Ag Varactor and method for producing a varactor

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