JPS6013474U - Load power detection circuit - Google Patents
Load power detection circuitInfo
- Publication number
- JPS6013474U JPS6013474U JP10514683U JP10514683U JPS6013474U JP S6013474 U JPS6013474 U JP S6013474U JP 10514683 U JP10514683 U JP 10514683U JP 10514683 U JP10514683 U JP 10514683U JP S6013474 U JPS6013474 U JP S6013474U
- Authority
- JP
- Japan
- Prior art keywords
- load
- load power
- detection circuit
- resistors
- power detection
- 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.)
- Granted
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の負荷電力検出回路の構成を示すブロック
図、第２図はこの考案の一実施例の基本的構成を示すブ
ロック図、第３図は同実施例の具体的な構成を示すブロ
ック図である。
１０・・・・・・第１のトランジスタ（ＮＰＮ トラン
ジスタ）、１１・・・・・・第１の抵抗（抵抗）、１２
・・・・・・第２の抵抗（抵抗）、１３・・・・・・第
２のトランジスタ（ＰＮＰトランジスタ）、１４・・・
・・・電流検出部、２２・・・・・・乗算部（乗算回路
） 、ｉａ、 ｉｂ、 ｉｄ・・・・・・分流信号（電
流）。Fig. 1 is a block diagram showing the structure of a conventional load power detection circuit, Fig. 2 is a block diagram showing the basic structure of an embodiment of this invention, and Fig. 3 shows the specific structure of the same embodiment. It is a block diagram. 10...First transistor (NPN transistor), 11...First resistor (resistance), 12
...Second resistor (resistance), 13...Second transistor (PNP transistor), 14...
. . . Current detection section, 22 . . . Multiplication section (multiplying circuit), ia, ib, id . . . Shunt signal (current).
Claims (1)
トランジスタのエミッタが接続され、前記第１、第２の
抵抗の接続点と基準電位点との間に負荷が接続されるシ
スグルエンプツトプッシュプル回路における前記第１、
第２のトランジスタのエミッタおよび前記第１、第２の
抵抗の接続点から各々分流信号を取り出し、これらの分
流信号に基づいて負荷電流に比例する負荷電流比信号を
検出する電流検出部と、負荷電圧を検出するとともに、
この負荷電圧と前記負荷電流比例信号とを乗算し、これ
により、負荷電力に比例する負荷電力比例信号を得る乗
算部とを具備することを特徴とする負荷電力検出回路。The emitters of the first and second transistors are connected via first and second resistors connected in series, and a load is connected between the connection point of the first and second resistors and a reference potential point. the first in the system empty push-pull circuit;
a current detection unit that extracts shunt signals from the emitter of the second transistor and the connection point of the first and second resistors, and detects a load current ratio signal proportional to the load current based on these shunt signals; Along with detecting the voltage,
A load power detection circuit comprising: a multiplier that multiplies the load voltage and the load current proportional signal to thereby obtain a load power proportional signal proportional to the load power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10514683U JPS6013474U (en) | 1983-07-06 | 1983-07-06 | Load power detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10514683U JPS6013474U (en) | 1983-07-06 | 1983-07-06 | Load power detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6013474U true JPS6013474U (en) | 1985-01-29 |
| JPS6315819Y2 JPS6315819Y2 (en) | 1988-05-06 |
Family
ID=30246586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10514683U Granted JPS6013474U (en) | 1983-07-06 | 1983-07-06 | Load power detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6013474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025223U (en) * | 1983-07-26 | 1985-02-20 | パイオニア株式会社 | Audio amplifier output power display circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567660A (en) * | 1978-11-17 | 1980-05-21 | Hitachi Ltd | Power maker circuit |
-
1983
- 1983-07-06 JP JP10514683U patent/JPS6013474U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567660A (en) * | 1978-11-17 | 1980-05-21 | Hitachi Ltd | Power maker circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025223U (en) * | 1983-07-26 | 1985-02-20 | パイオニア株式会社 | Audio amplifier output power display circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6315819Y2 (en) | 1988-05-06 |
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