JPS6085412U - Detection circuit - Google Patents
Detection circuitInfo
- Publication number
- JPS6085412U JPS6085412U JP17940283U JP17940283U JPS6085412U JP S6085412 U JPS6085412 U JP S6085412U JP 17940283 U JP17940283 U JP 17940283U JP 17940283 U JP17940283 U JP 17940283U JP S6085412 U JPS6085412 U JP S6085412U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- emitter
- transistor
- utility
- model registration
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の検波回路図、第２図はこの考案の実施例
に係る回路図、第３図はその入出力電圧の特性図、第４
図はこの考案の変形実施例を示す回路図である。
図中、１はトランジスタ、２は直流電源、１０．１３は
負荷抵抗、１１，１２．１４は分圧抵抗である。Fig. 1 is a conventional detection circuit diagram, Fig. 2 is a circuit diagram according to an embodiment of this invention, Fig. 3 is a characteristic diagram of its input/output voltage, and Fig. 4 is a diagram of a conventional detection circuit.
The figure is a circuit diagram showing a modified embodiment of this invention. In the figure, 1 is a transistor, 2 is a DC power supply, 10.13 is a load resistor, and 11 and 12.14 are voltage dividing resistors.
Claims (3)
なるように動作点が設定されたトランジスタを検波器と
して用い、そのベースに加えられた信号の検波出力が前
記コレクタとエミッタとを含む電流路に挿入された負荷
抵抗から取り出されるようにされた検波回路において、
前記ベースとエミッタ間には、バイアス抵抗が接続され
、該バイアス抵抗に直流電源から供給される電流により
前記動作点をカットオフ以下の一部電圧レベルに維持す
るための所定のバイアス電圧を発生させることを特徴と
する検波回路。(1) A transistor whose operating point is set so that the current between the collector and emitter is almost cut off is used as a detector, and the detected output of the signal applied to the base of the transistor is a current path including the collector and emitter. In a detection circuit designed to be extracted from a load resistor inserted in
A bias resistor is connected between the base and the emitter, and a predetermined bias voltage for maintaining the operating point at a partial voltage level below the cutoff is generated by a current supplied to the bias resistor from a DC power supply. A detection circuit characterized by:
荷抵抗は、前記トランジスタのエミッタ側に接続されて
いることを特徴とする検波回路。(2) Utility Model Registration The detection circuit according to claim (1), wherein the load resistor is connected to the emitter side of the transistor.
荷抵抗は、前記トランジスタのコレクタ側に接続されて
いることを特徴とする検波回路。(3) Utility Model Registration The detection circuit according to claim (1), wherein the load resistor is connected to the collector side of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17940283U JPS6085412U (en) | 1983-11-18 | 1983-11-18 | Detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17940283U JPS6085412U (en) | 1983-11-18 | 1983-11-18 | Detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6085412U true JPS6085412U (en) | 1985-06-12 |
Family
ID=30389261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17940283U Pending JPS6085412U (en) | 1983-11-18 | 1983-11-18 | Detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6085412U (en) |
-
1983
- 1983-11-18 JP JP17940283U patent/JPS6085412U/en active Pending
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