JPH0386629U - - Google Patents
Info
- Publication number
- JPH0386629U JPH0386629U JP14836689U JP14836689U JPH0386629U JP H0386629 U JPH0386629 U JP H0386629U JP 14836689 U JP14836689 U JP 14836689U JP 14836689 U JP14836689 U JP 14836689U JP H0386629 U JPH0386629 U JP H0386629U
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- amplification
- amplifier circuit
- circuit
- filter
- 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
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Networks Using Active Elements (AREA)
Description
第１図は本考案の実施例に係るアクテイブフイ
ルタの回路図、第２図は従来例に係るアクテイブ
フイルタの回路図である。
１１，１２……フイルタ部、１３……共振器、
１６……増幅帰還回路、１９，２０……位相調節
用マイクロストリツプライン、２１……増幅回路
、２２……負帰還回路。
FIG. 1 is a circuit diagram of an active filter according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional active filter. 11, 12...filter section, 13...resonator,
16...Amplification feedback circuit, 19, 20...Microstripline for phase adjustment, 21...Amplification circuit, 22...Negative feedback circuit.
Claims (1)
幅帰還回路１６、および負帰還回路２２を有し、 共振器１３は、当該アクテイブフイルタの高周
波信号伝送ライン３を伝送してくる高周波信号の
所要の周波数入力に応じて共振動作するものであ
り、 増幅帰還回路１６は、前記共振器１３に接続さ
れているとともに、共振器１３出力の位相調節と
増幅とを行つたうえでその共振器１３出力を該共
振器１３に正帰還するものであつて、かつ、前記
増幅のための増幅回路２１を有しており、 負帰還回路２２は、増幅回路２１の入出力部間
に接続されており、かつ、増幅回路２１の出力を
該増幅回路２１の入力部に負帰還するものである ことを特徴とするアクテイブフイルタ。[Claims for Utility Model Registration] It has filter parts 11 and 12, and the filter parts 11 and 12 have a resonator 13, an amplification feedback circuit 16, and a negative feedback circuit 22, and the resonator 13 has the active The amplification feedback circuit 16 is connected to the resonator 13 and operates in resonance according to the required frequency input of the high frequency signal transmitted through the high frequency signal transmission line 3 of the filter. After performing phase adjustment and amplification, the output of the resonator 13 is positively fed back to the resonator 13, and has an amplifier circuit 21 for the amplification, and a negative feedback circuit 22. An active filter is connected between the input and output portions of the amplifier circuit 21 and provides negative feedback of the output of the amplifier circuit 21 to the input portion of the amplifier circuit 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14836689U JPH0386629U (en) | 1989-12-22 | 1989-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14836689U JPH0386629U (en) | 1989-12-22 | 1989-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386629U true JPH0386629U (en) | 1991-09-02 |
Family
ID=31694821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14836689U Pending JPH0386629U (en) | 1989-12-22 | 1989-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386629U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5379452A (en) * | 1976-12-24 | 1978-07-13 | Hitachi Denshi Ltd | Band pass filter |
-
1989
- 1989-12-22 JP JP14836689U patent/JPH0386629U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5379452A (en) * | 1976-12-24 | 1978-07-13 | Hitachi Denshi Ltd | Band pass filter |