GB604818A - A radio-frequency converter circuit arrangement - Google Patents

A radio-frequency converter circuit arrangement

Info

Publication number
GB604818A
GB604818A GB35131/45A GB3513145A GB604818A GB 604818 A GB604818 A GB 604818A GB 35131/45 A GB35131/45 A GB 35131/45A GB 3513145 A GB3513145 A GB 3513145A GB 604818 A GB604818 A GB 604818A
Authority
GB
United Kingdom
Prior art keywords
line
clips
lines
frequency
dec
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
GB35131/45A
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
Publication of GB604818A publication Critical patent/GB604818A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
    • H03D9/0625—Transference of modulation using distributed inductance and capacitance by means of diodes mounted in a coaxial resonator structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

604,818. Detectors. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 28, 1945, No. 35131. Convention date, Dec. 1, 1943. [Class 40 (v)] A mixing circuit comprises a pair of parallel coaxial lines with detectors arranged at opposite points of an electrical mid-point on the lines, a first frequency being fed between the mid-point and earth, a second frequency being applied to the tuned circuit comprising the lines. The rods 11, 12 tuned by shorting bars 15 and housed in a casing 13 with a dividing wall 14, constitute a line of three-quarters wavelength, the line being supported by insulators 17. The input from an aerial is fed over entry 22 to a quarter-wave stub 30, conductor 34 feeding energy in-phase to the line. Local oscillations, applied over conductor 20 to a tap one-quarter wavelength from the end of the line feed clips 42, 43 in push-pull since they are located a further quarter wavelength along the line. Each clip is attached to crystals 40, 41, the outer conductors resting in clips 45 insulated by thin mica washers 47 from the casing 13 which act as byepass capacitors at the signal frequency. The clips 45 are connected to the intermediate frequency amplifier. The input coupling may be varied by sliding the coaxial fitting 22 vertically and the tuning of the stub varied by rotation of knob 32 which moves the threaded rod 30 vertically, the rod engaging in a key-way to prevent rotation.
GB35131/45A 1943-12-01 1945-12-28 A radio-frequency converter circuit arrangement Expired GB604818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US512442A US2469222A (en) 1943-12-01 1943-12-01 Crystal rectifier converter

Publications (1)

Publication Number Publication Date
GB604818A true GB604818A (en) 1948-07-09

Family

ID=24039100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35131/45A Expired GB604818A (en) 1943-12-01 1945-12-28 A radio-frequency converter circuit arrangement

Country Status (2)

Country Link
US (1) US2469222A (en)
GB (1) GB604818A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061392B (en) * 1955-08-20 1959-07-16 Siemens Ag Mixing arrangement for very short electromagnetic waves
DE1137486B (en) * 1960-08-05 1962-10-04 Felten & Guilleaume Gmbh Push-pull mixing arrangement for microwaves

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547378A (en) * 1945-03-22 1951-04-03 Robert H Dicke Radio-frequency mixer
US2561417A (en) * 1945-05-31 1951-07-24 Alden H Ryan Impedance matched frequency converter
US2664502A (en) * 1945-06-23 1953-12-29 Roberts Shepard Ultrahigh-frequency mixer
US2605399A (en) * 1945-09-27 1952-07-29 Robert V Pound Ultrahigh frequency mixer
US2594037A (en) * 1946-08-28 1952-04-22 Rca Corp Ultrahigh-frequency filter
US2550409A (en) * 1946-10-03 1951-04-24 Rca Corp Balanced demodulator
US2527910A (en) * 1946-11-12 1950-10-31 Rca Corp Balanced microwave detector and mixer
US2567208A (en) * 1947-04-19 1951-09-11 Int Standard Electric Corp Crystal mixer for multiplex broadcasting
US2576481A (en) * 1948-07-28 1951-11-27 Bell Telephone Labor Inc Balanced crystal microwave converter
US2594167A (en) * 1948-07-30 1952-04-22 Rca Corp Ultrahigh-frequency bridge circuits
US2638544A (en) * 1948-09-15 1953-05-12 Raytheon Television And Radio Cavity tuner
US2712062A (en) * 1949-04-12 1955-06-28 Rca Corp Converter circuits
US2713636A (en) * 1951-02-27 1955-07-19 Raytheon Mfg Co Balanced detectors
US2716219A (en) * 1951-08-31 1955-08-23 Du Mont Allen B Lab Inc Mixer circuit
GB695616A (en) * 1952-01-01 1953-08-12 Standard Telephones Cables Ltd Improvements in or relating to frequency changing circuits for receivers of short electromagnetic waves
US2834884A (en) * 1954-04-08 1958-05-13 Raytheon Mfg Co Wave guide with crystal diode socket having captive clamping means
US2705304A (en) * 1954-04-19 1955-03-29 Rca Corp Bridge demodulator circuit
US2983814A (en) * 1956-02-01 1961-05-09 Raytheon Co Signal receivers
US2958051A (en) * 1957-09-19 1960-10-25 Collins Radio Co Low distortion balanced modulator
US3041452A (en) * 1960-10-13 1962-06-26 Univ Ohio State Res Found Tunnel diode frequency conversion circuit
FR2077833B1 (en) * 1970-02-17 1973-10-19 Comp Generale Electricite
US4050040A (en) * 1976-10-12 1977-09-20 The United States Of America As Represented By The Secretary Of The Army Fast-tuned multiplexer-power combiner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2142159A (en) * 1939-01-03 Apparatus for receiving electromag
US1418285A (en) * 1918-10-10 1922-06-06 American Telephone & Telegraph Translating circuit
US2106776A (en) * 1935-02-23 1938-02-01 Rca Corp Receiving system
US2097514A (en) * 1935-10-10 1937-11-02 Bell Telephone Labor Inc Electron discharge system for ultrashort waves
US2136606A (en) * 1935-12-23 1938-11-15 Siemens Ag Modulator
US2216964A (en) * 1938-05-31 1940-10-08 Telefunken Gmbh Coupling system
US2261879A (en) * 1939-07-26 1941-11-04 Bell Telephone Labor Inc High frequency by-pass arrangement
NL58997C (en) * 1940-05-30
US2410122A (en) * 1944-06-09 1946-10-29 Rca Corp Balanced detector for altimeters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061392B (en) * 1955-08-20 1959-07-16 Siemens Ag Mixing arrangement for very short electromagnetic waves
DE1137486B (en) * 1960-08-05 1962-10-04 Felten & Guilleaume Gmbh Push-pull mixing arrangement for microwaves

Also Published As

Publication number Publication date
US2469222A (en) 1949-05-03

Similar Documents

Publication Publication Date Title
GB604818A (en) A radio-frequency converter circuit arrangement
GB581976A (en) Improvements in or relating to circuit arrangements for mixing oscillations
US3289117A (en) Surge arrestor utilizing quarter wave stubs
US2236004A (en) Ultra high frequency signaling system
GB540773A (en) Improvements in or relating to radio transmitters for ultra-high frequencies
US2135672A (en) Ultra short wave system
US2544842A (en) Overload protection of highfrequency receivers
US2427107A (en) Centimeter wave apparatus
GB592402A (en) Improvements in apparatus for amplifying, generating, or changing the frequency of electric oscillations of ultra-high frequency
US2550524A (en) Balanced microwave detector
US2441452A (en) Frequency changing circuits
US2116996A (en) Variable tuned circuits
GB595098A (en) Improvements in variable reactance devices
US2458650A (en) Coaxial line generator
US2401634A (en) Ultra high frequency coupling device
US2404745A (en) Ultra high frequency electron discharge device system
US2617038A (en) Ultrahigh-frequency device
US2413836A (en) High-frequency tuning device
US2476803A (en) High stability receiver circuit
US2637813A (en) Balanced microwave detector
US3155914A (en) Coaxial reactive tuning stub for tuning a lower frequency signal without affecting a higher frequency signal
GB986426A (en) Parametric devices
US2567208A (en) Crystal mixer for multiplex broadcasting
GB580812A (en) Improvements in arrangements for coupling wide frequency band antennae to transmission lines
US2664502A (en) Ultrahigh-frequency mixer