JPS57123714A - Band-pass filter circuit - Google Patents
Band-pass filter circuitInfo
- Publication number
- JPS57123714A JPS57123714A JP825381A JP825381A JPS57123714A JP S57123714 A JPS57123714 A JP S57123714A JP 825381 A JP825381 A JP 825381A JP 825381 A JP825381 A JP 825381A JP S57123714 A JPS57123714 A JP S57123714A
- Authority
- JP
- Japan
- Prior art keywords
- parallel
- bpf
- quartz
- circuit
- attenuation
- 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.)
- Pending
Links
- 239000010453 quartz Substances 0.000 abstract 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 6
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP825381A JPS57123714A (en) | 1981-01-23 | 1981-01-23 | Band-pass filter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP825381A JPS57123714A (en) | 1981-01-23 | 1981-01-23 | Band-pass filter circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57123714A true JPS57123714A (en) | 1982-08-02 |
Family
ID=11687966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP825381A Pending JPS57123714A (en) | 1981-01-23 | 1981-01-23 | Band-pass filter circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57123714A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1455448A1 (en) * | 2001-12-14 | 2004-09-08 | Mitsubishi Denki Kabushiki Kaisha | Filter circuit |
-
1981
- 1981-01-23 JP JP825381A patent/JPS57123714A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1455448A1 (en) * | 2001-12-14 | 2004-09-08 | Mitsubishi Denki Kabushiki Kaisha | Filter circuit |
EP1455448A4 (en) * | 2001-12-14 | 2005-04-06 | Mitsubishi Electric Corp | FILTERING CIRCUIT |
US7061345B2 (en) | 2001-12-14 | 2006-06-13 | Mitsubishi Denki Kabushiki Kaisha | Filter circuit with series and parallel elements |
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