CH253418A - Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. - Google Patents
Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen.Info
- Publication number
- CH253418A CH253418A CH253418DA CH253418A CH 253418 A CH253418 A CH 253418A CH 253418D A CH253418D A CH 253418DA CH 253418 A CH253418 A CH 253418A
- Authority
- CH
- Switzerland
- Prior art keywords
- noise
- transmission
- circuit
- frequency oscillations
- electrical high
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 230000010355 oscillation Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/82—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
- H01J43/025—Circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
-
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
- H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
-
- 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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Noise Elimination (AREA)
- Particle Accelerators (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL230376X | 1940-01-31 | ||
NL647464X | 1942-11-11 | ||
NL647463X | 1942-11-13 | ||
BE2547235X | 1944-12-29 | ||
NL673034X | 1949-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH253418A true CH253418A (de) | 1948-02-29 |
Family
ID=32234378
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH230376D CH230376A (de) | 1940-01-31 | 1941-05-13 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
CH261287D CH261287A (de) | 1940-01-31 | 1942-08-03 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
CH253418D CH253418A (de) | 1940-01-31 | 1943-11-09 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
CH253419D CH253419A (de) | 1940-01-31 | 1943-11-11 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH230376D CH230376A (de) | 1940-01-31 | 1941-05-13 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
CH261287D CH261287A (de) | 1940-01-31 | 1942-08-03 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH253419D CH253419A (de) | 1940-01-31 | 1943-11-11 | Schaltung mit erhöhter Rauschfreiheit zur Übertragung elektrischer Hochfrequenzschwingungen. |
Country Status (7)
Country | Link |
---|---|
US (3) | US2352956A (de) |
BE (1) | BE441205A (de) |
CH (4) | CH230376A (de) |
DE (5) | DE1081073B (de) |
FR (9) | FR874832A (de) |
GB (5) | GB645989A (de) |
NL (7) | NL60000C (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE441205A (de) * | 1940-01-31 | |||
US2523403A (en) * | 1942-11-13 | 1950-09-26 | Hartford Nat Bank & Trust Co | Negative feedback amplifier, including automatic volume control |
DE932250C (de) * | 1944-09-25 | 1955-08-29 | Siemens Ag | Laufzeitroehre zur Verstaerkung von Zentimeterwellen |
US2508416A (en) * | 1946-06-26 | 1950-05-23 | Rca Corp | Stabilized high-frequency amplifier |
US2598326A (en) * | 1946-11-20 | 1952-05-27 | Emi Ltd | Negative feedback amplifier |
NL163474B (nl) * | 1951-08-21 | Petrus Josef Klaren | Stokloos anker. | |
DE973118C (de) * | 1952-06-22 | 1959-12-03 | Telefunken Gmbh | Hochfrequenzvorstufe fuer ultrakurze Wellen |
DE975513C (de) * | 1954-02-28 | 1961-12-14 | Telefunken Patent | Eingangsschaltung eines Ultrakurzwellenempfaengers |
BE537486A (de) * | 1954-04-21 | |||
US2920280A (en) * | 1956-04-30 | 1960-01-05 | North American Aviation Inc | High selectivity reject network |
GB856892A (en) * | 1957-11-14 | 1960-12-21 | Collins Radio Co | Means for reducing the threshold of angular-modulation receivers |
US4232280A (en) * | 1979-03-08 | 1980-11-04 | Hughes Aircraft Company | Network for simulating low temperature resistors |
CN113258782B (zh) * | 2021-06-02 | 2022-07-15 | 中南大学 | 基于耦合电感的可变电感电路及方法 |
CN117060899B (zh) * | 2023-10-10 | 2024-01-30 | 江苏润石科技有限公司 | 动态比较器电路及逐次逼近式模数转换器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2227022A (en) * | 1936-10-09 | 1940-12-31 | Loewe Radio Inc | Voltage-controlled electron multiplier |
US2280824A (en) * | 1938-04-14 | 1942-04-28 | Univ Leland Stanford Junior | Radio transmission and reception |
US2243401A (en) * | 1938-04-14 | 1941-05-27 | Rca Corp | Selectivity control circuits |
USRE22974E (en) * | 1939-06-29 | 1948-02-10 | Electron beam discharge device sys | |
NL65108C (de) * | 1939-07-25 | 1950-01-16 | ||
US2375223A (en) * | 1939-08-24 | 1945-05-08 | Univ Leland Stanford Junior | Dielectric guide signaling |
BE441205A (de) * | 1940-01-31 | |||
NL144437B (nl) * | 1940-01-31 | Itt | Microschakeling. | |
US2293262A (en) * | 1940-02-29 | 1942-08-18 | Rca Corp | Wide band amplifier |
US2315040A (en) * | 1940-12-28 | 1943-03-30 | Bell Telephone Labor Inc | Electric wave amplification |
-
0
- BE BE441205D patent/BE441205A/xx unknown
-
1940
- 1940-01-31 NL NL96775A patent/NL60000C/xx active
- 1940-08-08 NL NL98586A patent/NL74363C/xx active
-
1941
- 1941-01-16 US US374712A patent/US2352956A/en not_active Expired - Lifetime
- 1941-02-05 DE DEP2158D patent/DE1081073B/de active Pending
- 1941-02-05 DE DEP2159D patent/DE1078639B/de active Pending
- 1941-02-05 DE DEP2160D patent/DE1078640B/de active Pending
- 1941-02-05 DE DEP23895D patent/DE1116743B/de active Pending
- 1941-05-13 CH CH230376D patent/CH230376A/de unknown
- 1941-08-07 FR FR874832D patent/FR874832A/fr not_active Expired
-
1942
- 1942-08-03 CH CH261287D patent/CH261287A/de unknown
- 1942-11-11 NL NL108458A patent/NL62442C/xx active
- 1942-11-12 NL NL108517A patent/NL67754C/xx active
- 1942-11-12 NL NL108495A patent/NL64006C/xx active
- 1942-11-21 NL NL108625A patent/NL69214C/xx active
-
1943
- 1943-11-09 CH CH253418D patent/CH253418A/de unknown
- 1943-11-09 FR FR53195D patent/FR53195E/fr not_active Expired
- 1943-11-11 FR FR53199D patent/FR53199E/fr not_active Expired
- 1943-11-11 CH CH253419D patent/CH253419A/de unknown
-
1945
- 1945-11-10 FR FR53197D patent/FR53197E/fr not_active Expired
-
1946
- 1946-02-18 FR FR54447D patent/FR54447E/fr not_active Expired
- 1946-02-19 FR FR71301D patent/FR71301E/fr not_active Expired
- 1946-07-15 US US683708A patent/US2555906A/en not_active Expired - Lifetime
- 1946-08-01 GB GB25360/48A patent/GB645989A/en not_active Expired
- 1946-08-13 GB GB24008/46A patent/GB647464A/en not_active Expired
- 1946-08-13 GB GB24007/46A patent/GB647463A/en not_active Expired
- 1946-09-06 GB GB26866/46A patent/GB645935A/en not_active Expired
-
1947
- 1947-01-02 FR FR71303D patent/FR71303E/fr not_active Expired
- 1947-01-02 FR FR71302D patent/FR71302E/fr not_active Expired
- 1947-02-15 US US728800A patent/US2547235A/en not_active Expired - Lifetime
-
1949
- 1949-01-20 NL NL144437A patent/NL79445C/xx active
-
1950
- 1950-01-17 GB GB1196/50A patent/GB673034A/en not_active Expired
- 1950-01-18 DE DEN412A patent/DE808132C/de not_active Expired
- 1950-01-18 FR FR71305D patent/FR71305E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2352956A (en) | 1944-07-04 |
FR53197E (fr) | 1945-09-20 |
DE1078639B (de) | 1960-03-31 |
US2547235A (en) | 1951-04-03 |
FR71301E (fr) | 1959-12-22 |
NL79445C (de) | 1954-12-15 |
FR53199E (fr) | 1945-09-20 |
GB647464A (en) | 1950-12-13 |
FR874832A (fr) | 1942-08-27 |
GB673034A (en) | 1952-05-28 |
CH253419A (de) | 1948-02-29 |
GB645935A (en) | 1950-11-15 |
FR54447E (fr) | 1950-05-02 |
CH261287A (de) | 1949-04-30 |
NL64006C (de) | 1948-11-15 |
NL69214C (de) | 1951-08-15 |
FR71303E (fr) | 1959-12-22 |
NL60000C (de) | 1946-11-15 |
DE1081073B (de) | 1960-05-05 |
NL74363C (de) | 1953-11-16 |
FR71305E (fr) | 1959-12-22 |
CH230376A (de) | 1943-12-31 |
FR53195E (fr) | 1945-09-20 |
FR71302E (fr) | 1959-12-22 |
GB645989A (en) | 1950-11-15 |
NL67754C (de) | 1950-04-15 |
NL62442C (de) | 1948-02-16 |
DE808132C (de) | 1951-07-12 |
GB647463A (en) | 1950-12-13 |
DE1116743B (de) | 1961-11-09 |
DE1078640B (de) | 1960-03-31 |
BE441205A (de) | |
US2555906A (en) | 1951-06-05 |
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