DD131988A5 - FM BAND FILTERS FROM SEVERAL CIRCLES - Google Patents
FM BAND FILTERS FROM SEVERAL CIRCLESInfo
- 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
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
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)
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)
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. |
-
1976
- 1976-10-01 HU HU76BU819A patent/HU173564B/en not_active IP Right Cessation
-
1977
- 1977-09-19 DK DK414277A patent/DK151668C/en not_active IP Right Cessation
- 1977-09-21 DD DD20114277A patent/DD131988A5/en not_active IP Right Cessation
- 1977-09-23 DE DE19772742905 patent/DE2742905A1/en active Granted
- 1977-09-26 BG BG037424A patent/BG43010A3/en unknown
- 1977-09-29 SE SE7710910A patent/SE413729B/en not_active IP Right Cessation
- 1977-09-29 GB GB4057977A patent/GB1557406A/en not_active Expired
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK114877A (en) | TOBACCO ROOF FILTER | |
BE856183A (en) | SLIDE FILTER | |
AT364638B (en) | CIGARETTE FILTER | |
EG12826A (en) | Filter element | |
SE7604853L (en) | BAND PASS FILTER | |
AT364736B (en) | GAS FILTER ELEMENT | |
SE7711491L (en) | DIFFRACTIVE SUBTRACTIVE FILTER | |
FI773371A (en) | FILTER FOER TOBAKSROEK | |
BE852940A (en) | FILTER ASSEMBLY | |
SE419944B (en) | disc filters | |
IT1078700B (en) | FILTER | |
FI772956A (en) | FILTER MATERIAL | |
BE859432A (en) | FILTER ELEMENT | |
LU80227A1 (en) | BAND FILTER | |
BR7701150A (en) | ELECTROMECANIC FILTER | |
SE431826B (en) | FILTER ELEMENT | |
DD131988A5 (en) | FM BAND FILTERS FROM SEVERAL CIRCLES | |
FR2350732A1 (en) | IMPROVEMENTS TO ELECTROMECHANICAL BAND PASS FILTERS | |
SE7708410L (en) | GAS FILTER | |
JPS52129068A (en) | Filter element | |
SE7700566L (en) | FILTER PASS | |
SE419039B (en) | FILTER ELEMENT | |
SE7609364L (en) | FILTER | |
JPS52136544A (en) | Device having band pass filter | |
NL7707801A (en) | BACKWASH FILTER. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |