JPH0436472U - - Google Patents
Info
- Publication number
- JPH0436472U JPH0436472U JP7792690U JP7792690U JPH0436472U JP H0436472 U JPH0436472 U JP H0436472U JP 7792690 U JP7792690 U JP 7792690U JP 7792690 U JP7792690 U JP 7792690U JP H0436472 U JPH0436472 U JP H0436472U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- supply line
- input terminal
- resistor
- signal supply
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 2
Description
第１図は、本考案の一実施例を示す高周波検知
回路の回路構成図、第２図は、トランジスタの寄
生抵抗および寄生容量を説明するための等価的な
回路構成図、第３図は、実施例の高周波検知回路
の動作を説明するための信号波形図である。
１……コンパレータ、２……入力端子、３……
出力端子、４……信号供給線、５……分圧回路、
６……接続点、１０……バーチカルＰＮＰ トラ
ンジスタ、Ｒ１……第１の抵抗器、Ｒ２……第２
の抵抗器、Ｖｃｃ……プラス電源、ＧＮＤ……マ
イナス電源。
FIG. 1 is a circuit configuration diagram of a high frequency detection circuit showing an embodiment of the present invention, FIG. 2 is an equivalent circuit configuration diagram for explaining parasitic resistance and parasitic capacitance of a transistor, and FIG. FIG. 3 is a signal waveform diagram for explaining the operation of the high frequency detection circuit of the embodiment. 1... Comparator, 2... Input terminal, 3...
Output terminal, 4...signal supply line, 5...voltage divider circuit,
6...Connection point, 10...Vertical PNP transistor, R1 ...First resistor, R2 ...Second
resistor, Vcc...plus power supply, GND...minus power supply.
Claims (1)
さと比較入力端子に与えられる信号の大きさとを
比較し、上記比較結果に応じたレベルの出力信号
をその出力端子に導出するコンパレータと、 上記コンパレータの比較入力端子に入力高周波
信号を供給する信号供給線と、 上記信号供給線とプラス電源との間に接続され
た第１の抵抗器、および上記信号供給線とマイナ
ス電源との間に接続された第２の抵抗器よりなる
分圧回路と、 上記信号供給線に入力電極と制御電極とが接続
されているとともに、その出力電極が上記マイナ
ス電源に接続されているトランジスタとを具備す
ることを特徴とする高周波検知回路。[Claims for Utility Model Registration] The magnitude of the reference voltage applied to the reference input terminal and the magnitude of the signal applied to the comparison input terminal are compared, and an output signal of a level corresponding to the above comparison result is sent to the output terminal. a signal supply line that supplies an input high-frequency signal to the comparison input terminal of the comparator; a first resistor connected between the signal supply line and the positive power supply; and a first resistor connected between the signal supply line and the negative power supply. A voltage dividing circuit including a second resistor is connected between the power source and the input electrode and the control electrode are connected to the signal supply line, and the output electrode is connected to the negative power source. A high frequency detection circuit comprising a transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7792690U JPH0436472U (en) | 1990-07-23 | 1990-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7792690U JPH0436472U (en) | 1990-07-23 | 1990-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436472U true JPH0436472U (en) | 1992-03-26 |
Family
ID=31620749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7792690U Pending JPH0436472U (en) | 1990-07-23 | 1990-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS496178A (en) * | 1972-05-06 | 1974-01-19 |
-
1990
- 1990-07-23 JP JP7792690U patent/JPH0436472U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS496178A (en) * | 1972-05-06 | 1974-01-19 | ||
| JPS5142190B2 (en) * | 1972-05-06 | 1976-11-13 |
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