DD131988A5 - FM BAND FILTERS FROM SEVERAL CIRCLES - Google Patents

FM BAND FILTERS FROM SEVERAL CIRCLES

Info

Publication number
DD131988A5
DD131988A5 DD20114277A DD20114277A DD131988A5 DD 131988 A5 DD131988 A5 DD 131988A5 DD 20114277 A DD20114277 A DD 20114277A DD 20114277 A DD20114277 A DD 20114277A DD 131988 A5 DD131988 A5 DD 131988A5
Authority
DD
German Democratic Republic
Prior art keywords
band filters
several circles
circles
several
filters
Prior art date
Application number
DD20114277A
Other languages
German (de)
Inventor
Laszlo G Szabo
Andor Halasz
Sandor Szeghy
Gyoergy Messik
Original Assignee
Budapesti Radiotechnikai Gyar
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 Budapesti Radiotechnikai Gyar filed Critical Budapesti Radiotechnikai Gyar
Publication of DD131988A5 publication Critical patent/DD131988A5/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/09—Filters comprising mutual inductance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/02—Fixed inductances of the signal type  without magnetic core
    • H01F17/03—Fixed inductances of the signal type  without magnetic core with ceramic former
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
DD20114277A 1976-10-01 1977-09-21 FM BAND FILTERS FROM SEVERAL CIRCLES DD131988A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76BU819A HU173564B (en) 1976-10-01 1976-10-01 Multiple vhf band pass filter, in particular for the improvement of the pre-selection at the receivers of transceivers

Publications (1)

Publication Number Publication Date
DD131988A5 true DD131988A5 (en) 1978-08-09

Family

ID=10994008

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20114277A DD131988A5 (en) 1976-10-01 1977-09-21 FM BAND FILTERS FROM SEVERAL CIRCLES

Country Status (7)

Country Link
BG (1) BG43010A3 (en)
DD (1) DD131988A5 (en)
DE (1) DE2742905A1 (en)
DK (1) DK151668C (en)
GB (1) GB1557406A (en)
HU (1) HU173564B (en)
SE (1) SE413729B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583234B1 (en) * 1985-06-07 1995-01-06 Thomson Csf LOCALIZED CONSTANT FILTER
FR2638914B1 (en) * 1988-11-04 1990-12-28 Portenseigne Radiotechnique ADJUSTABLE OSCILLATING CIRCUIT WITH VARIABLE CAPACITOR

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1862078U (en) * 1961-06-19 1962-11-15 Vogt & Co K G Fabrik Fuer Meta INTERMEDIATE FREQUENCY FILTER WITH VIBRANT CIRCUIT CONDENSER.

Also Published As

Publication number Publication date
GB1557406A (en) 1979-12-12
DK414277A (en) 1978-04-02
HU173564B (en) 1979-06-28
DK151668C (en) 1988-05-24
DK151668B (en) 1987-12-21
DE2742905C2 (en) 1990-05-03
BG43010A3 (en) 1988-03-15
SE7710910L (en) 1978-04-02
DE2742905A1 (en) 1978-04-06
SE413729B (en) 1980-06-16

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee