BE406823A - - Google Patents

Info

Publication number
BE406823A
BE406823A BE406823DA BE406823A BE 406823 A BE406823 A BE 406823A BE 406823D A BE406823D A BE 406823DA BE 406823 A BE406823 A BE 406823A
Authority
BE
Belgium
Prior art keywords
primary
transformers
secondary windings
relative
vary
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE406823A publication Critical patent/BE406823A/fr

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0153Electrical filters; Controlling thereof
    • H03H7/0161Bandpass filters

Landscapes

  • Transmitters (AREA)
BE406823D BE406823A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
BE406823A true BE406823A (cg-RX-API-DMAC7.html)

Family

ID=71744

Family Applications (1)

Application Number Title Priority Date Filing Date
BE406823D BE406823A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
BE (1) BE406823A (cg-RX-API-DMAC7.html)

Similar Documents

Publication Publication Date Title
US2981838A (en) Combined channel selector and fine tuner
BE406823A (cg-RX-API-DMAC7.html)
US2158493A (en) Artificial line for use on radio and other high frequencies
US2224193A (en) Tuning control system for radio receivers
US2175554A (en) Variable inductance
US2483105A (en) Combined inductance and capacity tuner
US2340393A (en) Automatic tuning mechanism
US2103517A (en) Drive mechanism
US2791124A (en) Fine tuning unit
US2203329A (en) Tuning arrangement for high frequency apparatus
US2849712A (en) Antenna structure
US2695963A (en) Fine tuner
FR2589650A1 (fr) Circuit a ligne microbande resonnante
US3712147A (en) Mechanical drive mechanism with programmable output function
US2163647A (en) High frequency tuner
US4054983A (en) Helical spring retracting tool
US2658394A (en) Tuner
US2108538A (en) Means and method for turning rotatable objects to predetermined positions
US2092991A (en) Tuning device for broadcast receivers
US2485464A (en) Variable pitch drive screw and tuning system
US2716897A (en) Differential mechanism
US2970481A (en) Tuner control
US2101247A (en) Amplifier coupling circuits
US3074011A (en) Turret device for electric circuits
US2205844A (en) Mechanical push-button control