JPS5333029A - Cut-off frequency variable filter - Google Patents
Cut-off frequency variable filterInfo
- Publication number
- JPS5333029A JPS5333029A JP10808776A JP10808776A JPS5333029A JP S5333029 A JPS5333029 A JP S5333029A JP 10808776 A JP10808776 A JP 10808776A JP 10808776 A JP10808776 A JP 10808776A JP S5333029 A JPS5333029 A JP S5333029A
- Authority
- JP
- Japan
- Prior art keywords
- cut
- variable filter
- frequency variable
- frequency
- capacitor
- 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
- H03H11/1291—Current or voltage controlled filters
Landscapes
- Filters And Equalizers (AREA)
- Networks Using Active Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10808776A JPS5923126B2 (ja) | 1976-09-09 | 1976-09-09 | しや断周波数可変濾波器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10808776A JPS5923126B2 (ja) | 1976-09-09 | 1976-09-09 | しや断周波数可変濾波器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5333029A true JPS5333029A (en) | 1978-03-28 |
JPS5923126B2 JPS5923126B2 (ja) | 1984-05-31 |
Family
ID=14475530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10808776A Expired JPS5923126B2 (ja) | 1976-09-09 | 1976-09-09 | しや断周波数可変濾波器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5923126B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5740926A (en) * | 1980-08-26 | 1982-03-06 | Nec Corp | Device for projection and exposure |
JPS5882320A (ja) * | 1981-10-28 | 1983-05-17 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 切換自在の平滑フィルタ手段を具えている回路 |
JPS59208407A (ja) * | 1983-05-13 | 1984-11-26 | Toshiba Corp | マスク欠陥検査装置 |
JPS6062716A (ja) * | 1983-09-16 | 1985-04-10 | Fuji Facom Corp | 入力フイルタ装置 |
JPH01235418A (ja) * | 1988-03-15 | 1989-09-20 | Sharp Corp | Dcオフセット除去回路 |
-
1976
- 1976-09-09 JP JP10808776A patent/JPS5923126B2/ja not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5740926A (en) * | 1980-08-26 | 1982-03-06 | Nec Corp | Device for projection and exposure |
JPS5882320A (ja) * | 1981-10-28 | 1983-05-17 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 切換自在の平滑フィルタ手段を具えている回路 |
JPH0468810B2 (ja) * | 1981-10-28 | 1992-11-04 | Fuiritsupusu Furuuiranpenfuaburiken Nv | |
JPS59208407A (ja) * | 1983-05-13 | 1984-11-26 | Toshiba Corp | マスク欠陥検査装置 |
JPS6062716A (ja) * | 1983-09-16 | 1985-04-10 | Fuji Facom Corp | 入力フイルタ装置 |
JPH01235418A (ja) * | 1988-03-15 | 1989-09-20 | Sharp Corp | Dcオフセット除去回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS5923126B2 (ja) | 1984-05-31 |
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