JPS6025223U - Audio amplifier output power display circuit - Google Patents
Audio amplifier output power display circuitInfo
- Publication number
- JPS6025223U JPS6025223U JP11506083U JP11506083U JPS6025223U JP S6025223 U JPS6025223 U JP S6025223U JP 11506083 U JP11506083 U JP 11506083U JP 11506083 U JP11506083 U JP 11506083U JP S6025223 U JPS6025223 U JP S6025223U
- Authority
- JP
- Japan
- Prior art keywords
- audio amplifier
- output power
- power display
- display circuit
- amplifier output
- 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
- Amplifiers (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図は従来の出力電力表示回路を示すブロック図、第
２図は本考案の一実施例を示すブロック図、第３図は本
考案の他の実施例を示すブロック図である。
１・・・オーディオ増幅器、３・・・表示計器、４・・
・対数増幅器、５・・・検波、駆動回路、６１＝６２・
・・電流検出器、ツー１９７２・・・アイドル電流値オ
フセット回路、８・・・合成回路、９・・・ホール素子
、１０…コイル。FIG. 1 is a block diagram showing a conventional output power display circuit, FIG. 2 is a block diagram showing one embodiment of the present invention, and FIG. 3 is a block diagram showing another embodiment of the present invention. 1...Audio amplifier, 3...Display instrument, 4...
・Logarithmic amplifier, 5...detection, drive circuit, 61=62・
...Current detector, two 1972...Idle current value offset circuit, 8...Composition circuit, 9...Hall element, 10...Coil.
Claims (1)
を差引き１．負荷に流れる電流のみを検出′ する負
荷電流検出回路と、該負荷電流検出回路の出力とオーデ
ィオ増幅器の出力電圧とを乗算する乗算手段とを備え、
前記乗算手段の出力により表示計器を駆動することを特
徴とするオーディオ増幅器出力電力表示回路。Subtract the idle current from the current flowing in the final stage of the audio amplifier.1. A load current detection circuit that detects only the current flowing through the load, and a multiplier that multiplies the output of the load current detection circuit and the output voltage of the audio amplifier,
An audio amplifier output power display circuit characterized in that a display meter is driven by the output of the multiplication means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11506083U JPS6025223U (en) | 1983-07-26 | 1983-07-26 | Audio amplifier output power display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11506083U JPS6025223U (en) | 1983-07-26 | 1983-07-26 | Audio amplifier output power display circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6025223U true JPS6025223U (en) | 1985-02-20 |
| JPS6348972Y2 JPS6348972Y2 (en) | 1988-12-16 |
Family
ID=30265738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11506083U Granted JPS6025223U (en) | 1983-07-26 | 1983-07-26 | Audio amplifier output power display circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311010U (en) * | 1986-07-04 | 1988-01-25 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013474U (en) * | 1983-07-06 | 1985-01-29 | ヤマハ株式会社 | Load power detection circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013474B2 (en) * | 1979-07-10 | 1985-04-08 | 理化学研究所 | Radiation dose measuring device |
-
1983
- 1983-07-26 JP JP11506083U patent/JPS6025223U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013474U (en) * | 1983-07-06 | 1985-01-29 | ヤマハ株式会社 | Load power detection circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311010U (en) * | 1986-07-04 | 1988-01-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6348972Y2 (en) | 1988-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6025223U (en) | Audio amplifier output power display circuit | |
| JPS5892678U (en) | Watt meter | |
| JPS5927612U (en) | AC amplifier | |
| JPS5956572U (en) | current detection device | |
| JPS60624U (en) | electronic load device | |
| JPS5821867U (en) | Insulation resistance measuring device | |
| JPS6086087U (en) | power supply | |
| JPS59108276U (en) | Indication error compensation circuit | |
| JPS5849276U (en) | DC motor load meter | |
| JPS60135914U (en) | DC constant voltage circuit | |
| JPS5939526U (en) | Power amplifier output display device | |
| JPS594522U (en) | Camera information introduction circuit | |
| JPS59115357U (en) | resistance measuring device | |
| JPS5982823U (en) | electronic weighing machine | |
| JPS582020U (en) | constant voltage program power supply | |
| JPS59103279U (en) | voltage level detection circuit | |
| JPS58144274U (en) | Configuration of pass-through wattmeter | |
| JPS58120971U (en) | Resistance deviation measuring device | |
| JPS5956997U (en) | DC motor speed control circuit | |
| JPS6013474U (en) | Load power detection circuit | |
| JPS6098077U (en) | Leakage current measuring device for semiconductor devices | |
| JPS58187772U (en) | Signal output detection circuit | |
| JPS59166172U (en) | multimeter | |
| JPS58195310U (en) | Automatic compensation circuit for unbalanced voltage | |
| JPS60181604U (en) | Strain measurement device |