GB638004A - Improvements in mixing circuits for ultra-high frequencies - Google Patents
Improvements in mixing circuits for ultra-high frequenciesInfo
- Publication number
- GB638004A GB638004A GB1097/47A GB109747A GB638004A GB 638004 A GB638004 A GB 638004A GB 1097/47 A GB1097/47 A GB 1097/47A GB 109747 A GB109747 A GB 109747A GB 638004 A GB638004 A GB 638004A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- circuit
- push
- pull
- lecher
- 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
- 230000003534 oscillatory effect Effects 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
-
- 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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL250225X | 1943-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB638004A true GB638004A (en) | 1950-05-31 |
Family
ID=19781056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1097/47A Expired GB638004A (en) | 1943-10-27 | 1947-01-13 | Improvements in mixing circuits for ultra-high frequencies |
Country Status (7)
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2011943A (en) * | 1933-01-26 | 1935-08-20 | Rca Corp | Ultra short wave reception |
NL58874C (US07922777-20110412-C00004.png) * | 1938-01-29 | |||
US2307074A (en) * | 1938-09-22 | 1943-01-05 | George E Pray | Modulating circuit for high frequencies |
US2382693A (en) * | 1940-02-24 | 1945-08-14 | Dallenbach Walter | Oscillator-modulator circuit |
US2260844A (en) * | 1940-03-12 | 1941-10-28 | Gen Electric | Ultra high frequency converter |
BE445613A (US07922777-20110412-C00004.png) * | 1941-05-19 | |||
US2479537A (en) * | 1942-12-30 | 1949-08-16 | Gen Electric | Detector-oscillator circuit for ultra high frequency receivers |
-
1943
- 1943-10-27 NL NL113693A patent/NL68156C/xx active
-
1944
- 1944-10-24 DE DEN2208D patent/DE862028C/de not_active Expired
- 1944-10-25 CH CH250225D patent/CH250225A/de unknown
-
1945
- 1945-07-05 BE BE459216D patent/BE459216A/xx unknown
-
1946
- 1946-01-26 FR FR920715D patent/FR920715A/fr not_active Expired
- 1946-07-12 US US683001A patent/US2595997A/en not_active Expired - Lifetime
-
1947
- 1947-01-13 GB GB1097/47A patent/GB638004A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH250225A (de) | 1947-08-15 |
BE459216A (US07922777-20110412-C00004.png) | 1946-01-05 |
FR920715A (fr) | 1947-04-16 |
NL68156C (US07922777-20110412-C00004.png) | 1951-07-16 |
DE862028C (de) | 1953-01-08 |
US2595997A (en) | 1952-05-06 |
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