GB1079917A - Transistor amplifier - Google Patents

Transistor amplifier

Info

Publication number
GB1079917A
GB1079917A GB4308364A GB4308364A GB1079917A GB 1079917 A GB1079917 A GB 1079917A GB 4308364 A GB4308364 A GB 4308364A GB 4308364 A GB4308364 A GB 4308364A GB 1079917 A GB1079917 A GB 1079917A
Authority
GB
United Kingdom
Prior art keywords
bridge
oct
transistor amplifier
transistor
collector
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
GB4308364A
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.)
BILLMAN REGULATOR AB
Original Assignee
BILLMAN REGULATOR AB
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 BILLMAN REGULATOR AB filed Critical BILLMAN REGULATOR AB
Publication of GB1079917A publication Critical patent/GB1079917A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Abstract

1,079,917. Transistor amplifier circuits. BILLMAN REGULATOR A.B. Oct. 22, 1964 [Oct. 28, 1963], No. 43083/64. Heading H3T. [Also in Division G1] An A.C.-energized resistance bridge for measuring temperature utilizes a thermistor Th in one arm of the bridge, and the unbalance diagonal is connected to the emitters of two complementary transistors T1, T2 having opposed windings N1, N2 of a transformer TR in the collector circuits. When the bridge is balanced, the collector currents are equal and opposite and there is no signal from output winding N3. When the bridge is unbalanced, each transistor is blocked in alternate halfcycles to give an output signal indicative of the temperature.
GB4308364A 1963-10-28 1964-10-22 Transistor amplifier Expired GB1079917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1185563 1963-10-28

Publications (1)

Publication Number Publication Date
GB1079917A true GB1079917A (en) 1967-08-16

Family

ID=20294735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4308364A Expired GB1079917A (en) 1963-10-28 1964-10-22 Transistor amplifier

Country Status (2)

Country Link
CH (1) CH412105A (en)
GB (1) GB1079917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426329A (en) * 2005-05-04 2006-11-22 Smiths Group Plc Thermal probe system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426329A (en) * 2005-05-04 2006-11-22 Smiths Group Plc Thermal probe system
US7393136B2 (en) 2005-05-04 2008-07-01 Smiths Group Plc Thermal probe systems
GB2426329B (en) * 2005-05-04 2009-12-09 Smiths Group Plc Thermal probe systems

Also Published As

Publication number Publication date
CH412105A (en) 1966-04-30

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