JPH0469935U - - Google Patents
Info
- Publication number
- JPH0469935U JPH0469935U JP1990113311U JP11331190U JPH0469935U JP H0469935 U JPH0469935 U JP H0469935U JP 1990113311 U JP1990113311 U JP 1990113311U JP 11331190 U JP11331190 U JP 11331190U JP H0469935 U JPH0469935 U JP H0469935U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- circuit
- output current
- carrier wave
- current 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.)
- Pending
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Transmitters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は振幅変調された高周波信号の波形の一例を示
す波形図、第３図は第２図に示す振幅変調された
高周波信号の整流波形の一例を示す波形図、第４
図は従来のＡＭラジオ放送機用の搬送波出力電流
検出回路の一例を示す回路図である。
Ｓａｍ……振幅変調された高周波信号、Ｄ……
ダイオード、Ｒａ，Ｒｂ……抵抗、Ｃ……コンデ
ンサ、Ｌ……チヨークコイル、Ｍ……ムービング
コイル型直流電流計、Ｄ１……ダイオード、Ｒ１
……負荷抵抗、Ｃ１……高周波側路コンデンサ、
Ｍ１……ムービングコイル型直流電流計。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a waveform diagram showing an example of the waveform of an amplitude-modulated high-frequency signal, FIG. 3 is a waveform diagram showing an example of the rectified waveform of the amplitude-modulated high-frequency signal shown in FIG.
The figure is a circuit diagram showing an example of a conventional carrier wave output current detection circuit for an AM radio broadcaster. S am ...amplitude modulated high frequency signal, D...
Diode, R a , R b ... Resistor, C ... Capacitor, L ... Chiyoke coil, M ... Moving coil type DC ammeter, D 1 ... Diode, R 1
...Load resistance, C1 ...High frequency bypass capacitor,
M1 ...Moving coil type DC ammeter.
Claims (1)
回路と、第２の抵抗とコンデンサとの第２の直列
回路とを並列接続した並列回路と、この並列回路
を負荷回路とする検波ダイオードとを有すること
を特徴とするＡＭラジオ放送機用の搬送波出力電
流検出回路。 ２ 前記チヨークコイルの容量値／前記コンデン
サの容量値＝前記第１の抵抗の抵抗値＝前記第２
の抵抗の抵抗値となるように設定されていること
を特徴とする請求項１記載のＡＭラジオ放送機用
の搬送波出力電流検出回路。[Claims for Utility Model Registration] 1. A parallel circuit in which a first series circuit of a first resistor and a chiyoke coil and a second series circuit of a second resistor and a capacitor are connected in parallel; A carrier wave output current detection circuit for an AM radio broadcaster, comprising a detection diode serving as a load circuit. 2 Capacitance value of the chiyoke coil/capacitance value of the capacitor=resistance value of the first resistor=resistance value of the second resistor
2. The carrier wave output current detection circuit for an AM radio broadcasting machine according to claim 1, wherein the carrier wave output current detection circuit is set to have a resistance value of the resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113311U JPH0469935U (en) | 1990-10-29 | 1990-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113311U JPH0469935U (en) | 1990-10-29 | 1990-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469935U true JPH0469935U (en) | 1992-06-22 |
Family
ID=31860879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990113311U Pending JPH0469935U (en) | 1990-10-29 | 1990-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469935U (en) |
-
1990
- 1990-10-29 JP JP1990113311U patent/JPH0469935U/ja active Pending
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