GB725646A - Improvements relating to frequency converters for radio frequencies - Google Patents

Improvements relating to frequency converters for radio frequencies

Info

Publication number
GB725646A
GB725646A GB28048/53A GB2804853A GB725646A GB 725646 A GB725646 A GB 725646A GB 28048/53 A GB28048/53 A GB 28048/53A GB 2804853 A GB2804853 A GB 2804853A GB 725646 A GB725646 A GB 725646A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
choke
mixer
radio frequencies
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
GB28048/53A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB725646A publication Critical patent/GB725646A/en
Expired legal-status Critical Current

Links

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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—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 the same two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
GB28048/53A 1952-10-10 1953-10-12 Improvements relating to frequency converters for radio frequencies Expired GB725646A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US314080A US2719916A (en) 1952-10-10 1952-10-10 High frequency converter

Publications (1)

Publication Number Publication Date
GB725646A true GB725646A (en) 1955-03-09

Family

ID=23218470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28048/53A Expired GB725646A (en) 1952-10-10 1953-10-12 Improvements relating to frequency converters for radio frequencies

Country Status (5)

Country Link
US (1) US2719916A (forum.php)
BE (1) BE523353A (forum.php)
DE (1) DE950072C (forum.php)
FR (1) FR1084831A (forum.php)
GB (1) GB725646A (forum.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894125A (en) * 1955-05-25 1959-07-07 Standard Coil Prod Co Inc Cascode television tuner with stages having inter-related space discharge currents and common gain control
US3333202A (en) * 1963-08-27 1967-07-25 Sarkes Tarzian Television tuner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB372414A (en) * 1931-02-12 1932-05-12 Marconi Wireless Telegraph Co Improvements in or relating to electrical modulation arrangements suitable for use in radio and other high frequency signalling systems
GB405019A (en) * 1932-07-28 1934-01-29 Marconi Wireless Telegraph Co Improvements in or relating to radio and other modulated carrier wave transmitters
US2266670A (en) * 1941-01-28 1941-12-16 Colonial Radio Corp Oscillator-translator system
US2583598A (en) * 1945-11-13 1952-01-29 Salzberg Bernard Modulation
US2568416A (en) * 1947-09-20 1951-09-18 Westinghouse Electric Corp Frequency converter with impedance matched output

Also Published As

Publication number Publication date
FR1084831A (fr) 1955-01-24
DE950072C (de) 1956-10-04
BE523353A (forum.php)
US2719916A (en) 1955-10-04

Similar Documents

Publication Publication Date Title
GB713674A (en) Improvements in frequency converters
GB725646A (en) Improvements relating to frequency converters for radio frequencies
GB785538A (en) Improvements in or relating to transistor circuits
GB613681A (en) Improved circuit arrangements for the amplification or frequency-transformation of electrical oscillations
GB668498A (en) Improvements in or relating to superheterodyne radio-receivers
GB718620A (en) Improvements in signal frequency dividers
GB1093538A (en) Improvements in or relating to switched frequency oscillators
GB877108A (en) Improvements in or relating to self oscillating mixing circuits
GB625908A (en) Multi-range oscillator system
GB940503A (en) Improvements in and relating to transistor mixer circuits
GB802104A (en) Improvements relating to transistor oscillator circuits
GB796075A (en) Improvements in or relating to heterodyne mixing circuits
GB1129879A (en) Mixer circuits
GB754226A (en) Improvements in or relating to a frequency-changing mixing circuit embodying a self-oscillating triode with intermediate-frequency feed-back
GB868995A (en) Improvements in and relating to frequency-changing circuits
GB783238A (en) Improvements in or relating to transistor mixing circuit-arrangements
GB880366A (en) Improvements in and relating to electrical mixer circuits
GB764813A (en) Improvements in or relating to electric oscillation generators
GB819335A (en) Circuit arrangement for the h.f. amplification and mixing of electric signal voltages
ES315068A1 (es) Un dispositivo electrënico mezclador y cambiador de frecuencia
GB777533A (en) Improvements in or relating to additive mixing circuit arrangements for frequency changing
GB897561A (en) Improvements in or relating to receiver circuit arrangements
GB899096A (en) Improvements in power conserving mixer and oscillator
GB754156A (en) Electric circuits employing transistors for the generation of frequency modulated oscillations
GB754187A (en) Improvements in or relating to transistor pulse oscillators