JPH03125527U - - Google Patents
Info
- Publication number
- JPH03125527U JPH03125527U JP3363990U JP3363990U JPH03125527U JP H03125527 U JPH03125527 U JP H03125527U JP 3363990 U JP3363990 U JP 3363990U JP 3363990 U JP3363990 U JP 3363990U JP H03125527 U JPH03125527 U JP H03125527U
- Authority
- JP
- Japan
- Prior art keywords
- phase shift
- circuit
- shift circuit
- input
- element connected
- 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
- 230000010363 phase shift Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Networks Using Active Elements (AREA)
Description
第１図はこの考案の一実施例を示す回路図であ
る。第２図は移相回路の変形例を示す回路図であ
る。第３図は従来技術を示す回路図である。
図において、１０……アクテイブフイルタ、１
２……入力端、１４……出力端、１６ａ，１６ｂ
……移相回路、１８ａ，１８ｂ，１８ｃ……スト
リツプライン共振器、２２ａ，２２ｂ……増幅回
路素子を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is a circuit diagram showing a modification of the phase shift circuit. FIG. 3 is a circuit diagram showing the prior art. In the figure, 10... active filter, 1
2...Input end, 14...Output end, 16a, 16b
. . . phase shift circuit, 18a, 18b, 18c . . . stripline resonator, 22a, 22b . . . amplifier circuit elements.
Claims (1)
素子、および 前記移相回路の或る箇所と他の箇所とに両端が
接続されかつ正帰還回路を構成する増幅回路素子
を備える、アクテイブフイルタ。[Claims for Utility Model Registration] An input/output terminal, a phase shift circuit inserted between the input/output terminals, a series resonant circuit element connected to both ends of the phase shift circuit, and a certain part of the phase shift circuit. An active filter comprising an amplifier circuit element connected at both ends to another point and forming a positive feedback circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3363990U JPH03125527U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3363990U JPH03125527U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125527U true JPH03125527U (en) | 1991-12-18 |
Family
ID=31537460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3363990U Pending JPH03125527U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125527U (en) |
-
1990
- 1990-03-29 JP JP3363990U patent/JPH03125527U/ja active Pending