JPS5843032U - filter circuit - Google Patents
filter circuitInfo
- Publication number
- JPS5843032U JPS5843032U JP13712581U JP13712581U JPS5843032U JP S5843032 U JPS5843032 U JP S5843032U JP 13712581 U JP13712581 U JP 13712581U JP 13712581 U JP13712581 U JP 13712581U JP S5843032 U JPS5843032 U JP S5843032U
- Authority
- JP
- Japan
- Prior art keywords
- filter circuit
- reference potential
- circuit
- potential point
- switching
- 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
Landscapes
- Networks Using Active Elements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来のフィルタ回路の回路図、第2図は本考案
のフィルタ回路の一実施例の回路図、第3図、第4図は
本考案の他の実施例の回路図である。
図中符号1は入力端子、2は出力端子、5,5′、5“
は増幅器、7はスイッチ回路、R1,R3は抵抗、Q□
はトランジスタである。FIG. 1 is a circuit diagram of a conventional filter circuit, FIG. 2 is a circuit diagram of one embodiment of the filter circuit of the present invention, and FIGS. 3 and 4 are circuit diagrams of other embodiments of the present invention. In the figure, 1 is an input terminal, 2 is an output terminal, 5, 5', 5"
is an amplifier, 7 is a switch circuit, R1 and R3 are resistors, Q□
is a transistor.
Claims (1)
サと、帰還回路とを具備したフィルタ回路において、前
記コンデンサと前記基準電位点との間をオン、オフする
スイッチング手段を具備し、該スイッチング手段がオフ
とされたときフィルタ特性を広帯域とすべく前記帰還回
路を構成したことを特徴とするフィルタ回路。A filter circuit comprising a capacitor connected between an input side of an amplifier and a reference potential point, and a feedback circuit, comprising a switching means for turning on and off between the capacitor and the reference potential point, the switching A filter circuit characterized in that the feedback circuit is configured to have a wide band filter characteristic when the means is turned off.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13712581U JPS5843032U (en) | 1981-09-17 | 1981-09-17 | filter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13712581U JPS5843032U (en) | 1981-09-17 | 1981-09-17 | filter circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5843032U true JPS5843032U (en) | 1983-03-23 |
Family
ID=29930418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13712581U Pending JPS5843032U (en) | 1981-09-17 | 1981-09-17 | filter circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5843032U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62269407A (en) * | 1986-05-16 | 1987-11-21 | Sony Corp | Filtering device |
JPH07210152A (en) * | 1994-01-20 | 1995-08-11 | Yamaha Corp | Pedal timpani |
-
1981
- 1981-09-17 JP JP13712581U patent/JPS5843032U/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62269407A (en) * | 1986-05-16 | 1987-11-21 | Sony Corp | Filtering device |
JPH07210152A (en) * | 1994-01-20 | 1995-08-11 | Yamaha Corp | Pedal timpani |
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