[go: up one dir, main page]

GB821531A - Improvements in or relating to transistor amplifiers - Google Patents

Improvements in or relating to transistor amplifiers

Info

Publication number
GB821531A
GB821531A GB11328/56A GB1132856A GB821531A GB 821531 A GB821531 A GB 821531A GB 11328/56 A GB11328/56 A GB 11328/56A GB 1132856 A GB1132856 A GB 1132856A GB 821531 A GB821531 A GB 821531A
Authority
GB
United Kingdom
Prior art keywords
transistor
meter
april
transistors
resistor
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
GB11328/56A
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 Electrical Industries Ltd
Original Assignee
Philips Electrical 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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB821531A publication Critical patent/GB821531A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

821,531. Measuring instruments. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 13, 1956 [April 16, 1955; Jan. 31, 1956], No. 11328/56. Class 37. [Also in Group XL (c)] In a circuit for indicating the value of a D.C. voltage V on a meter M, two transistors A, B are connected with their emittercollector paths in series, a resistor 1 being arranged between the collector of transistor A and the emitter of transistor B so that the operating points of the transistors are stabilized (see Group XL (c)). The meter M is connected to a potential divider 9, 10 to compensate for the drift of the meter with varying supply voltages. A similar drift compensation may be obtained by connecting a resistor in series with the base connection of transistor B.
GB11328/56A 1955-04-16 1956-04-13 Improvements in or relating to transistor amplifiers Expired GB821531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL821531X 1955-04-16

Publications (1)

Publication Number Publication Date
GB821531A true GB821531A (en) 1959-10-07

Family

ID=19840882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11328/56A Expired GB821531A (en) 1955-04-16 1956-04-13 Improvements in or relating to transistor amplifiers

Country Status (2)

Country Link
FR (1) FR1147700A (en)
GB (1) GB821531A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084316B (en) * 1958-06-24 1960-06-30 Sueddeutsche Telefon App Kabel Amplifier bw. Oscillator stage with several transistors of the same conductivity type fed in series with direct current
GB857643A (en) * 1958-08-20 1961-01-04 Gen Electric Improvements in push-pull power amplifier

Also Published As

Publication number Publication date
FR1147700A (en) 1957-11-28

Similar Documents

Publication Publication Date Title
SE7706475L (en) COMPENSATED SIGNAL INSULATOR
ES407761A1 (en) Current amplifier
GB1169521A (en) Electrical Voltage Divider Circuits.
GB1476498A (en) Detecting circuit
GB1478642A (en) Differential circuit with signal balance
GB821531A (en) Improvements in or relating to transistor amplifiers
GB897731A (en) Improvements in or relating to circuit arrangements suitable for amplifying mixing or modulating electric voltages
GB1071213A (en) Temperature independent amplifier and method
GB1297867A (en)
GB846711A (en) Semiconductor device
GB1491704A (en) Full wave rectifiers
GB1517246A (en) Temperature-compensated constant current circuit
GB769584A (en) Improvements in or relating to means for compensating transistor circuit arrangements in relation to external conditions
GB1092101A (en) Improvements in or relating to electric voltage measuring apparatus
GB892236A (en) Improvements in or relating to transistor modulators
SU413469A1 (en)
GB1000629A (en) Improvements in or relating to wattmeter circuit arrangements
GB778460A (en) Transistor amplifier
GB803915A (en) Improvements relating to arrangements for measuring current
GB1142893A (en) Direct coupled differential transistor amplifier with improved offset voltage temperature coefficient and method of compensation
GB720726A (en) Improvements in or relating to amplifiers having negative feed-back
GB1108987A (en) Semiconductive chopper circuit with improved error signal compensation
JPS55134513A (en) Input bias adjusting circuit of amplifier
GB886287A (en) Voltage or current-sensitive controlling device
GB940980A (en) Improvements in or relating to circuit arrangements embodying transistors