JPS61104638U - - Google Patents
Info
- Publication number
- JPS61104638U JPS61104638U JP18816484U JP18816484U JPS61104638U JP S61104638 U JPS61104638 U JP S61104638U JP 18816484 U JP18816484 U JP 18816484U JP 18816484 U JP18816484 U JP 18816484U JP S61104638 U JPS61104638 U JP S61104638U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- output
- phase characteristic
- pass filter
- arithmetic circuit
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Networks Using Active Elements (AREA)
Description
第１図…この考案の第１の実施例のブロツク図
、第２図…その具体的な回路図、第３図…その位
相特性およびゲイン特性図、第４図…第２の実施
例の回路図、第５図…そのオールパスフイルター
の位相特性図、第６図…従来装置のブロツク図、
第７図…そのゲイス特性および位相特性図。
１……バツフアーアンプ、２……低域通過フイ
ルター、３……減算回路、４……オールパスフイ
ルター、５……加算回路、６……高域通過フイル
ター。
Fig. 1...Block diagram of the first embodiment of this invention, Fig. 2...Specific circuit diagram thereof, Fig. 3...Phase characteristics and gain characteristic diagram thereof, Fig. 4...Circuit of the second embodiment. Figure 5... Phase characteristic diagram of the all-pass filter, Figure 6... Block diagram of the conventional device,
FIG. 7: Its gain characteristic and phase characteristic diagram. 1...Buffer amplifier, 2...Low pass filter, 3...Subtraction circuit, 4...All pass filter, 5...Addition circuit, 6...High pass filter.
Claims (1)
該フイルターの位相特性と同特性または逆特性の
位相特性を有するオールパスフイルターと、前記
フイルターの出力とオールパスフイルターの出力
とを減算または加算する演算回路とを備え、演算
回路の出力に前記フイルターの位相特性による影
響が現れないようにしたことを特徴とするフイル
ター回路。 a filter having predetermined frequency band characteristics;
An all-pass filter having a phase characteristic that is the same as or opposite to the phase characteristic of the filter, and an arithmetic circuit that subtracts or adds the output of the filter and the output of the all-pass filter, and the output of the arithmetic circuit has a phase characteristic of the filter. A filter circuit characterized in that the influence of characteristics does not appear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18816484U JPS61104638U (en) | 1984-12-13 | 1984-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18816484U JPS61104638U (en) | 1984-12-13 | 1984-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61104638U true JPS61104638U (en) | 1986-07-03 |
Family
ID=30745634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18816484U Pending JPS61104638U (en) | 1984-12-13 | 1984-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02108313A (en) * | 1988-10-18 | 1990-04-20 | Saburo Okuma | Amplifier with phase correcting circuit |
| WO2010097845A1 (en) * | 2009-02-27 | 2010-09-02 | パナソニック株式会社 | Amplification device and sensor module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5289441A (en) * | 1976-01-22 | 1977-07-27 | Victor Co Of Japan Ltd | Frequency band dividing filter |
-
1984
- 1984-12-13 JP JP18816484U patent/JPS61104638U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5289441A (en) * | 1976-01-22 | 1977-07-27 | Victor Co Of Japan Ltd | Frequency band dividing filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02108313A (en) * | 1988-10-18 | 1990-04-20 | Saburo Okuma | Amplifier with phase correcting circuit |
| WO2010097845A1 (en) * | 2009-02-27 | 2010-09-02 | パナソニック株式会社 | Amplification device and sensor module |