JPS6430923U - - Google Patents
Info
- Publication number
- JPS6430923U JPS6430923U JP12677287U JP12677287U JPS6430923U JP S6430923 U JPS6430923 U JP S6430923U JP 12677287 U JP12677287 U JP 12677287U JP 12677287 U JP12677287 U JP 12677287U JP S6430923 U JPS6430923 U JP S6430923U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- input
- input terminal
- short
- amplifiers
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Amplifiers (AREA)
Description
第１図はこの考案の一実施例による増幅器を示
す構成図、第２図はこの考案の他の実施例による
増幅器を示す構成図、第３図は従来の増幅器を示
す構成図、第４図は第３図の増幅器の入力回路の
一例を示す回路図、第５図は従来の増幅器の別の
一例を示す構成図、第６図は第５図の増幅器の入
力回路の一例を示す回路図である。
１，２は差動入力型増幅器、３は信号入力端、
４，５は信号出力端、６ａ，７ａ，１０は抵抗、
８ｃはコンデンサ、１１は短絡接続点。なお、図
中、同一符号は同一、または相当部分を示す。
FIG. 1 is a block diagram showing an amplifier according to one embodiment of this invention, FIG. 2 is a block diagram showing an amplifier according to another embodiment of this invention, FIG. 3 is a block diagram showing a conventional amplifier, and FIG. 4 is a block diagram showing an amplifier according to another embodiment of this invention. is a circuit diagram showing an example of the input circuit of the amplifier in FIG. 3, FIG. 5 is a block diagram showing another example of a conventional amplifier, and FIG. 6 is a circuit diagram showing an example of the input circuit of the amplifier in FIG. It is. 1 and 2 are differential input type amplifiers, 3 is a signal input terminal,
4 and 5 are signal output terminals, 6a, 7a, and 10 are resistors,
8c is a capacitor, 11 is a short-circuit connection point. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
動入力型増幅器で各々増幅し複数の出力信号を取
り出す増幅器において、 上記複数個の差動入力型増幅器各々の一方の入
力端と上記信号入力端との間にそれぞれ直列に抵
抗が接続され、 上記複数個の差動入力型増幅器各々の他方の入
力端が全て短絡接続され、該短絡接続点と上記信
号入力端との間に抵抗が接続され、該短絡接続点
と接地との間にコンデンサが接続されていること
を特徴とする増幅器。 (2) 上記全ての抵抗は、それぞれその両端に生
じる直流電圧が等しくなるような抵抗値を有する
ものであることを特徴とする実用新案登録請求の
範囲第１項記載の増幅器。[Claims for Utility Model Registration] (1) In an amplifier that amplifies an input signal applied to a signal input terminal using a plurality of differential input amplifiers and extracts a plurality of output signals, each of the plurality of differential input amplifiers described above A resistor is connected in series between one input terminal of the amplifier and the signal input terminal, and the other input terminals of each of the plurality of differential input amplifiers are all short-circuited, and the short-circuit connection point and the signal input terminal are connected in series. An amplifier characterized in that a resistor is connected between the input end and a capacitor is connected between the short-circuit connection point and ground. (2) The amplifier according to claim 1, wherein all of the resistors have resistance values such that DC voltages generated across the resistors are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12677287U JPS6430923U (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12677287U JPS6430923U (en) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430923U true JPS6430923U (en) | 1989-02-27 |
Family
ID=31378591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12677287U Pending JPS6430923U (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7484228B2 (en) | 2004-03-25 | 2009-01-27 | Pioneer Corporation | Optical pickup feeding device |
-
1987
- 1987-08-20 JP JP12677287U patent/JPS6430923U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7484228B2 (en) | 2004-03-25 | 2009-01-27 | Pioneer Corporation | Optical pickup feeding device |
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