GB862570A - Improvements in or relating to amplifiers - Google Patents

Improvements in or relating to amplifiers

Info

Publication number
GB862570A
GB862570A GB3614257A GB3614257A GB862570A GB 862570 A GB862570 A GB 862570A GB 3614257 A GB3614257 A GB 3614257A GB 3614257 A GB3614257 A GB 3614257A GB 862570 A GB862570 A GB 862570A
Authority
GB
United Kingdom
Prior art keywords
valve
amplifier
coupled
cathodefollower
grid
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
GB3614257A
Inventor
David Horace Chandler
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB3614257A priority Critical patent/GB862570A/en
Priority to FR1210473D priority patent/FR1210473A/en
Publication of GB862570A publication Critical patent/GB862570A/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
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only

Landscapes

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

Abstract

862,570. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. July 31, 1958 [Nov. 20, 1957], No. 36142/57. Class 40(6) In an amplifying circuit in which a cathodefollower 5 is directly coupled to a preceding amplifier 3 via a standing-bias correcting network comprising a series resistor 8 and a shunt arm, the shunt arm comprises a further valve 14. The grid of the valve 14 is held at a fixed potential by means of a bias potentiometer 24, 25, and it forms one valve of a pair 14, 19 cathode-coupled by resistor 16. The valve 14 is driven from the input terminal 13 via potentiometer 20, 22, amplifier 12 preceding the amplifier 3 providing phase-reversal so that the output from valve 14 augments that from the amplifier 3. The valves 14, 19 are provided with individual cathode feedback resistors 15, 21 respectively. In a modification (Fig. 3, not shown) in which the amplifier 12 does not provide phase reversal and may be omitted, the grid of the cathodefollower 5 is coupled to the anode of the valve 14, instead of that of the valve 19.
GB3614257A 1957-11-20 1957-11-20 Improvements in or relating to amplifiers Expired GB862570A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3614257A GB862570A (en) 1957-11-20 1957-11-20 Improvements in or relating to amplifiers
FR1210473D FR1210473A (en) 1957-11-20 1958-11-20 Advanced amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3614257A GB862570A (en) 1957-11-20 1957-11-20 Improvements in or relating to amplifiers

Publications (1)

Publication Number Publication Date
GB862570A true GB862570A (en) 1961-03-15

Family

ID=10385381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3614257A Expired GB862570A (en) 1957-11-20 1957-11-20 Improvements in or relating to amplifiers

Country Status (2)

Country Link
FR (1) FR1210473A (en)
GB (1) GB862570A (en)

Also Published As

Publication number Publication date
FR1210473A (en) 1960-03-09

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