GB556054A - High frequency amplifier - Google Patents

High frequency amplifier

Info

Publication number
GB556054A
GB556054A GB8436/42A GB843642A GB556054A GB 556054 A GB556054 A GB 556054A GB 8436/42 A GB8436/42 A GB 8436/42A GB 843642 A GB843642 A GB 843642A GB 556054 A GB556054 A GB 556054A
Authority
GB
United Kingdom
Prior art keywords
grid
anode
line
input
inductance
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
GB8436/42A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB556054A publication Critical patent/GB556054A/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
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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)
  • Microwave Amplifiers (AREA)

Abstract

556,054. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd. June 19, 1942, No. 8436. Convention date, June 21, 1941. [Classes 39 (i), 40 (iii) and 40 (v)] A high frequency amplifier comprises a triode valve with the anode earthed for high-frequency and a reactance, connected between the cathode and ground, constituted by the shielding conductor of a co-axial line section with the input applied between the grid and earth through the inner conductor of the line section and a second independent co-axial transmission line arranged to provide a tuning reactance between the grid and the anode. The Figure shows an arrangement in which input from a source 43 is applied over conductor 44 while the line formed of cylindrical conductors 47, 48, 49 constitutes the cathodeearth impedance the space between conductors 48, 49 serving to house the filament heating leads supplied from transformer 51. The load circuit may include a variable inductance 58 while an inductance 64 may be connected across the input line to increase the voltage applied to the grid. The anode 24 is provided with cooling fins and is earthed for high frequency by a condenser constituted by a glass cylinder 26 silver plated on both sides contained in a metal shell 27 provided with an air blower 30 the whole structure being mounted on rails 23. Grid bias is applied from a source 39 through a co-axial line 34, 35 which forms a neutralizing inductance to eliminate the feedback effect of the grid-anode capacity.
GB8436/42A 1941-06-21 1942-06-19 High frequency amplifier Expired GB556054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399114A US2314132A (en) 1941-06-21 1941-06-21 High frequency amplifier

Publications (1)

Publication Number Publication Date
GB556054A true GB556054A (en) 1943-09-17

Family

ID=23578204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8436/42A Expired GB556054A (en) 1941-06-21 1942-06-19 High frequency amplifier

Country Status (5)

Country Link
US (1) US2314132A (en)
BE (1) BE475546A (en)
FR (1) FR947928A (en)
GB (1) GB556054A (en)
NL (1) NL74380C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551715A (en) * 1945-10-16 1951-05-08 Rca Corp High-frequency amplifier

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735941A (en) * 1956-02-21 High frequency vacuum tube circuit
US2578973A (en) * 1946-12-11 1951-12-18 Belmont Radio Corp Antenna array
US3273068A (en) * 1963-07-01 1966-09-13 Sperry Rand Corp Remote cathode follower power amplifier with automatic adjustment of tuning and loading

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551715A (en) * 1945-10-16 1951-05-08 Rca Corp High-frequency amplifier

Also Published As

Publication number Publication date
BE475546A (en)
FR947928A (en) 1949-07-18
US2314132A (en) 1943-03-16
NL74380C (en)

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