JPS609332U - Balanced-unbalanced converter - Google Patents
Balanced-unbalanced converterInfo
- Publication number
- JPS609332U JPS609332U JP10047983U JP10047983U JPS609332U JP S609332 U JPS609332 U JP S609332U JP 10047983 U JP10047983 U JP 10047983U JP 10047983 U JP10047983 U JP 10047983U JP S609332 U JPS609332 U JP S609332U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- balanced
- unbalanced
- output
- unbalanced converter
- 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
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
- Dc Digital Transmission (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (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図は従来の平衡−不平衡変換器の回路図、第２図は
こ、の考案による平衡−不平衡変換器の一実施例のブロ
ック図、第３図はその回路図、第４図は本実施例の温度
変化に対する不平衡出力電圧変動特性図、第５図は本実
施例の電源電圧変動に対する不平衡出力電圧変動特性図
である。
１・・・・・・差動増幅回路部、２・・・・・・定電流
源、３゜４・・・・・・平衡入力端子、５・・・・・・
不平衡出力端子、６・・・・・・電源ライン、８・・・
・・・電源端子、９・・・・・・電流検出回路、１０・
・・・・・基準電圧源、１１・・・・・・比較回路、・
１２・・・・・・演算増幅器。Fig. 1 is a circuit diagram of a conventional balanced-unbalanced converter, Fig. 2 is a block diagram of an embodiment of the balanced-unbalanced converter devised by this author, Fig. 3 is its circuit diagram, and Fig. 4. 5 is an unbalanced output voltage fluctuation characteristic diagram with respect to temperature changes in this embodiment, and FIG. 5 is an unbalanced output voltage fluctuation characteristic diagram with respect to power supply voltage fluctuations in this embodiment. 1...Differential amplifier circuit section, 2...Constant current source, 3゜4...Balanced input terminal, 5...
Unbalanced output terminal, 6...Power line, 8...
...Power supply terminal, 9...Current detection circuit, 10.
...Reference voltage source, 11...Comparison circuit,...
12...Operation amplifier.
Claims (1)
第２のトランジスタと該第１および第２のトランジスタ
に対して定電流源として作用する第３のトランジスタは
より構成され、前記第１および第２のトランジスタに印
加される平衡入力信号に対応する不平衡出力信号を前記
第１および第２のトランジスタのいずれか一方から出力
する平衡−不平衡変換器において、 前記第１および第２のトランジスタに流れる電流の変化
を不平衡出力の同相電圧変動分として取出す取出手段と
１、該同相電圧変動分として取出した電圧をあらかじめ
定められた基準電圧と比較する比較手段とを設け、該比
較手段の出力にもとづいて前記第３のトランジスタの導
通状態を制御して前記同相電圧変動分を複償するように
したことを特徴とする平衡−不平衡変換器。[Claims for Utility Model Registration] First and second transistors of the same conductivity type having substantially the same characteristics, and a third transistor acting as a constant current source for the first and second transistors are: A balanced-to-unbalanced converter configured to output an unbalanced output signal corresponding to a balanced input signal applied to the first and second transistors from either one of the first and second transistors, Extracting means for extracting a change in the current flowing through the first and second transistors as a common mode voltage variation of the unbalanced output; 1, a comparing means for comparing the voltage extracted as the common mode voltage variation with a predetermined reference voltage. A balanced-to-unbalanced converter characterized in that the third transistor is controlled to be conductive based on the output of the comparing means to compensate for the common-mode voltage fluctuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047983U JPS609332U (en) | 1983-06-29 | 1983-06-29 | Balanced-unbalanced converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047983U JPS609332U (en) | 1983-06-29 | 1983-06-29 | Balanced-unbalanced converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS609332U true JPS609332U (en) | 1985-01-22 |
| JPH0241926Y2 JPH0241926Y2 (en) | 1990-11-08 |
Family
ID=30237681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10047983U Granted JPS609332U (en) | 1983-06-29 | 1983-06-29 | Balanced-unbalanced converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62125015U (en) * | 1986-01-20 | 1987-08-08 |
-
1983
- 1983-06-29 JP JP10047983U patent/JPS609332U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62125015U (en) * | 1986-01-20 | 1987-08-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241926Y2 (en) | 1990-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS609332U (en) | Balanced-unbalanced converter | |
| JPS6017018U (en) | IC circuit | |
| JPS6050520U (en) | high voltage output amplifier | |
| JPS5984912U (en) | voltage detection circuit | |
| JPS59129210U (en) | transistor circuit | |
| JPS5826212U (en) | differential amplifier | |
| JPS5899910U (en) | Muting circuit | |
| JPS59137616U (en) | intermediate frequency amplifier circuit | |
| JPS6061824U (en) | operational amplifier | |
| JPS60136523U (en) | amplifier | |
| JPS5956825U (en) | Battery voltage detection circuit | |
| JPS5835200U (en) | Sampling/hold circuit | |
| JPS6052715U (en) | high voltage output amplifier | |
| JPS6112117U (en) | DC stabilized power supply | |
| JPS5988923U (en) | differential amplifier | |
| JPS60624U (en) | electronic load device | |
| JPS60181914U (en) | audio power amplifier | |
| JPS6025224U (en) | variable gain amplifier | |
| JPS58132410U (en) | rear equalizer circuit | |
| JPS5896322U (en) | Muting circuit | |
| JPS5899915U (en) | gain control circuit | |
| JPS6040113U (en) | Differential amplifier power supply noise prevention circuit | |
| JPS6088620U (en) | level limit circuit | |
| JPS5920779U (en) | Detection circuit | |
| JPS5863892U (en) | inverter circuit |