PL209269A1 - Waskopasmowy filtr kwarcowy w ukladzie mostkowym - Google Patents
Waskopasmowy filtr kwarcowy w ukladzie mostkowymInfo
- Publication number
- PL209269A1 PL209269A1 PL20926978A PL20926978A PL209269A1 PL 209269 A1 PL209269 A1 PL 209269A1 PL 20926978 A PL20926978 A PL 20926978A PL 20926978 A PL20926978 A PL 20926978A PL 209269 A1 PL209269 A1 PL 209269A1
- Authority
- PL
- Poland
- Prior art keywords
- vaskopasm
- bridge system
- quartz filter
- quartz
- filter
- Prior art date
Links
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Filters And Equalizers (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU77TE886A HU176718B (en) | 1977-08-29 | 1977-08-29 | Bridge crystal band-pass filter of narrow-band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL209269A1 true PL209269A1 (pl) | 1979-07-16 |
| PL121976B1 PL121976B1 (en) | 1982-06-30 |
Family
ID=11002078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1978209269A PL121976B1 (en) | 1977-08-29 | 1978-08-29 | Narrow-band crystal filter in bridge network |
Country Status (7)
| Country | Link |
|---|---|
| CS (1) | CS216845B2 (pl) |
| DD (1) | DD138399A5 (pl) |
| DE (1) | DE2836563A1 (pl) |
| GB (1) | GB2006565B (pl) |
| HU (1) | HU176718B (pl) |
| PL (1) | PL121976B1 (pl) |
| SE (1) | SE7809045L (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2006564B (en) * | 1977-08-30 | 1982-03-24 | Telefongyar | Process for the assembly and adjustment of a narrow band bridge-connected crystal band filter |
-
1977
- 1977-08-29 HU HU77TE886A patent/HU176718B/hu not_active IP Right Cessation
-
1978
- 1978-08-16 GB GB7833597A patent/GB2006565B/en not_active Expired
- 1978-08-21 DE DE19782836563 patent/DE2836563A1/de not_active Ceased
- 1978-08-24 DD DD78207462A patent/DD138399A5/xx unknown
- 1978-08-24 CS CS785520A patent/CS216845B2/cs unknown
- 1978-08-28 SE SE7809045A patent/SE7809045L/xx unknown
- 1978-08-29 PL PL1978209269A patent/PL121976B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7809045L (sv) | 1979-03-01 |
| DD138399A5 (de) | 1979-10-24 |
| HU176718B (en) | 1981-04-28 |
| DE2836563A1 (de) | 1979-03-08 |
| PL121976B1 (en) | 1982-06-30 |
| GB2006565A (en) | 1979-05-02 |
| CS216845B2 (en) | 1982-11-26 |
| GB2006565B (en) | 1982-01-27 |
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