GB533626A - Electron discharge device amplifying circuits - Google Patents
Electron discharge device amplifying circuitsInfo
- Publication number
- GB533626A GB533626A GB29314/39A GB2931439A GB533626A GB 533626 A GB533626 A GB 533626A GB 29314/39 A GB29314/39 A GB 29314/39A GB 2931439 A GB2931439 A GB 2931439A GB 533626 A GB533626 A GB 533626A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valves
- feed
- impedances
- amplifying circuits
- push
- 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
Links
- PGWMQVQLSMAHHO-UHFFFAOYSA-N sulfanylidenesilver Chemical compound [Ag]=S PGWMQVQLSMAHHO-UHFFFAOYSA-N 0.000 abstract 2
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
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
- H03G3/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
- H03G7/04—Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
533,626. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd. Nov. 3, 1939, No. 29314. Convention date, Jan. 27. [Class 40 (v)] [Also in Group XXXIX] An amplifying circuit with valves 10, 101 each having individual negative feed-back impedances 18, 181 is controlled by a variable impedance 19 which adjusts the output of the valves simultaneously and is in shunt to the fixed impedances 18, 181. As shown in Fig. 1, the valves are arranged in push-pull but according to Fig. 3 (not shown), three valves are arranged in tandem, the first and third having negative feed-back, and the variable impedance 19 is connected between the cathode sides of the usual feed-back impedances. The impedance 19 may be a silver sulphide non-linear resistance so as to be selfvariable. The push-pull arrangement can be used in the control circuit of an amplifier of carrier signals, its output being used to heat a silver sulphide resistance in the feed-back path of the carrier amplifier.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US253123A US2212337A (en) | 1939-01-27 | 1939-01-27 | Electron discharge device circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
GB533626A true GB533626A (en) | 1941-02-17 |
Family
ID=22958958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29314/39A Expired GB533626A (en) | 1939-01-27 | 1939-11-03 | Electron discharge device amplifying circuits |
Country Status (3)
Country | Link |
---|---|
US (1) | US2212337A (en) |
FR (1) | FR862542A (en) |
GB (1) | GB533626A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1064112B (en) * | 1956-01-28 | 1959-08-27 | Telefonbau & Normalzeit Gmbh | Push-pull B amplifier |
DE1215769B (en) * | 1959-03-06 | 1966-05-05 | Telefunken Patent | Counter-coupled transistor power amplifier |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2968274A (en) * | 1944-04-28 | 1961-01-17 | Nelson N Estes | Anti-torpedo system |
US2468552A (en) * | 1944-04-28 | 1949-04-26 | Automatic Elect Lab | Voice operated control circuit for two-way signal transmission systems |
US2676300A (en) * | 1951-12-06 | 1954-04-20 | Gen Precision Lab Inc | Vacuum tube voltmeter |
US2892042A (en) * | 1953-12-15 | 1959-06-23 | Siemens Ag | Amplification regulation in multistage amplifier apparatus |
US2802069A (en) * | 1954-09-07 | 1957-08-06 | Bell Telephone Labor Inc | Amplifier with high frequency compensation |
US2903522A (en) * | 1955-07-07 | 1959-09-08 | Gen Precision Lab Inc | Transistor amplifier |
US2902548A (en) * | 1955-09-09 | 1959-09-01 | Motorola Inc | Signal level control circuit |
US3034068A (en) * | 1956-11-30 | 1962-05-08 | Hughes Aircraft Co | Read amplifier |
DE1058559B (en) * | 1957-11-26 | 1959-06-04 | Philips Nv | Control circuit for electric amplifier |
NL113995C (en) * | 1958-02-19 | |||
US3032719A (en) * | 1958-04-14 | 1962-05-01 | Ibm | Automatic gain control circuits |
US3082381A (en) * | 1959-05-27 | 1963-03-19 | Goodyear Aircraft Corp | Automatic gain control circuit |
-
1939
- 1939-01-27 US US253123A patent/US2212337A/en not_active Expired - Lifetime
- 1939-11-03 GB GB29314/39A patent/GB533626A/en not_active Expired
- 1939-12-22 FR FR862542D patent/FR862542A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1064112B (en) * | 1956-01-28 | 1959-08-27 | Telefonbau & Normalzeit Gmbh | Push-pull B amplifier |
DE1215769B (en) * | 1959-03-06 | 1966-05-05 | Telefunken Patent | Counter-coupled transistor power amplifier |
Also Published As
Publication number | Publication date |
---|---|
US2212337A (en) | 1940-08-20 |
FR862542A (en) | 1941-03-08 |
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