GB518552A - Improvements in radio tuning circuits - Google Patents

Improvements in radio tuning circuits

Info

Publication number
GB518552A
GB518552A GB2517238A GB2517238A GB518552A GB 518552 A GB518552 A GB 518552A GB 2517238 A GB2517238 A GB 2517238A GB 2517238 A GB2517238 A GB 2517238A GB 518552 A GB518552 A GB 518552A
Authority
GB
United Kingdom
Prior art keywords
auxiliary
controlled
condensers
reactances
separate
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
GB2517238A
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.)
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
Priority to BE436153D priority Critical patent/BE436153A/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB2517238A priority patent/GB518552A/en
Publication of GB518552A publication Critical patent/GB518552A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Oscillators With Electromechanical Resonators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB2517238A 1938-08-26 1938-08-26 Improvements in radio tuning circuits Expired GB518552A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE436153D BE436153A (enrdf_load_stackoverflow) 1938-08-26
GB2517238A GB518552A (en) 1938-08-26 1938-08-26 Improvements in radio tuning circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2517238A GB518552A (en) 1938-08-26 1938-08-26 Improvements in radio tuning circuits

Publications (1)

Publication Number Publication Date
GB518552A true GB518552A (en) 1940-02-29

Family

ID=10223394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2517238A Expired GB518552A (en) 1938-08-26 1938-08-26 Improvements in radio tuning circuits

Country Status (2)

Country Link
BE (1) BE436153A (enrdf_load_stackoverflow)
GB (1) GB518552A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE436153A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB559717A (en) Improvements in or relating to variable tuning systems for radio signal receiving apparatus and the like
GB450247A (en) Improvements in radio receivers
GB502178A (en) Improvements in or relating to radio receivers and the like
GB518552A (en) Improvements in radio tuning circuits
GB472502A (en) Improvements in multi-band radio receivers
GB574407A (en) Improvements in or relating to antenna input circuits for radio receivers
GB546248A (en) Improvements in or relating to electric tuning systems
US2230557A (en) Multiband superheterodyne receiver
US2357442A (en) Radio receiver
GB447104A (en) Improvements in or relating to tuning systems for wireless receivers of the supersonic-heterodyne type
GB464970A (en) Improvements in coupling coil systems for oscillatory electric circuits
US2074447A (en) Control device for radio receivers
GB542395A (en) Improvements in the tuning arrangements of radio receivers
US2093544A (en) Convertible band pass receiver
US1895247A (en) Method and means of extending frequency range of radio apparatus
GB149283A (en) Improvements in variable electrical controlling elements especially suitable for usein wireless telegraphy
US2301324A (en) Radio frequency coupling system
GB542611A (en) Improvements in band-spread tuning circuits for radio receivers
GB409756A (en) Improvements in or relating to super-heterodyne radio receivers
GB442477A (en) Superheterodyne receiver for wireless reception
GB605353A (en) Improvements in or relating to tuning devices for superheterodyne receivers
GB269686A (en) Improvements in tuning devices for radio receivers
US1872343A (en) Coupling system
GB867233A (en) Improvements in or relating to printed circuits incorporating high frequency coils
GB804874A (en) Improvements in multi-band radio receivers