JPS51138144A - State variable type band pass filter - Google Patents
State variable type band pass filterInfo
- Publication number
- JPS51138144A JPS51138144A JP50062404A JP6240475A JPS51138144A JP S51138144 A JPS51138144 A JP S51138144A JP 50062404 A JP50062404 A JP 50062404A JP 6240475 A JP6240475 A JP 6240475A JP S51138144 A JPS51138144 A JP S51138144A
- Authority
- JP
- Japan
- Prior art keywords
- band pass
- pass filter
- state variable
- variable type
- type band
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
- H03H11/1252—Two integrator-loop-filters
Landscapes
- Networks Using Active Elements (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
PURPOSE:To manufacture band pass filters having various kinds of characteristics in a miniature construction and with good yield, by fitting the RC circuit which determines the characteristics of the band pass filter - and other circuits -which do not affect the characteristics- on separate ceramic substrates at the time of hybrid IC implementation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6240475A JPS5810012B2 (en) | 1975-05-23 | 1975-05-23 | The current state of affairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6240475A JPS5810012B2 (en) | 1975-05-23 | 1975-05-23 | The current state of affairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51138144A true JPS51138144A (en) | 1976-11-29 |
| JPS5810012B2 JPS5810012B2 (en) | 1983-02-23 |
Family
ID=13199155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6240475A Expired JPS5810012B2 (en) | 1975-05-23 | 1975-05-23 | The current state of affairs |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5810012B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58172009A (en) * | 1982-04-02 | 1983-10-08 | Nec Corp | Active filter |
-
1975
- 1975-05-23 JP JP6240475A patent/JPS5810012B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58172009A (en) * | 1982-04-02 | 1983-10-08 | Nec Corp | Active filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5810012B2 (en) | 1983-02-23 |
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