JPS6134689B2 - - Google Patents
Info
- Publication number
- JPS6134689B2 JPS6134689B2 JP14870879A JP14870879A JPS6134689B2 JP S6134689 B2 JPS6134689 B2 JP S6134689B2 JP 14870879 A JP14870879 A JP 14870879A JP 14870879 A JP14870879 A JP 14870879A JP S6134689 B2 JPS6134689 B2 JP S6134689B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- variable resistor
- input terminal
- circuit
- coupled
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000010354 integration Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14870879A JPS5672518A (en) | 1979-11-16 | 1979-11-16 | Continuously variable frequency filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14870879A JPS5672518A (en) | 1979-11-16 | 1979-11-16 | Continuously variable frequency filter |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16923385A Division JPS61142813A (ja) | 1985-07-31 | 1985-07-31 | 連続可変周波数フイルタ回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5672518A JPS5672518A (en) | 1981-06-16 |
JPS6134689B2 true JPS6134689B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-08-08 |
Family
ID=15458815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14870879A Granted JPS5672518A (en) | 1979-11-16 | 1979-11-16 | Continuously variable frequency filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5672518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61142813A (ja) * | 1985-07-31 | 1986-06-30 | Nippon Audio:Kk | 連続可変周波数フイルタ回路 |
-
1979
- 1979-11-16 JP JP14870879A patent/JPS5672518A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5672518A (en) | 1981-06-16 |