JPH0243013U - - Google Patents
Info
- Publication number
- JPH0243013U JPH0243013U JP12132588U JP12132588U JPH0243013U JP H0243013 U JPH0243013 U JP H0243013U JP 12132588 U JP12132588 U JP 12132588U JP 12132588 U JP12132588 U JP 12132588U JP H0243013 U JPH0243013 U JP H0243013U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- driver
- diode attenuator
- circuit
- resistor
- 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
- 238000010586 diagram Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Attenuators (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
従来のダイオード減衰器駆動回路の構成図、第３
図はバイアス回路の出力電圧に対するダイオード
減衰器の減衰量の特性図、第４図は温度に対して
減衰量一定とするバイアス回路の出力電圧の特性
図、第５図は従来及び本考案の温度に対するバイ
アス回路の出力電圧の特性図、第６図は本考案の
変形例を示す構成図である。
１……信号入力端子、２……ダイオード減衰器
、３……信号出力端子、４……バイアス供給端子
、５，５Ａ，５Ｂ……バイアス回路、６……抵抗
、７……サーミスタ、８……抵抗、９……駆動器
、１０……ダイオード、１１……抵抗、１２……
ダイオード、１３……抵抗。
Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a block diagram of a conventional diode attenuator drive circuit, and Fig. 3 is a block diagram of an embodiment of the present invention.
The figure is a characteristic diagram of the attenuation amount of the diode attenuator with respect to the output voltage of the bias circuit, Figure 4 is a characteristic diagram of the output voltage of the bias circuit in which the attenuation amount is constant with respect to temperature, and Figure 5 is a characteristic diagram of the output voltage of the conventional and present invention. FIG. 6 is a configuration diagram showing a modification of the present invention. 1... Signal input terminal, 2... Diode attenuator, 3... Signal output terminal, 4... Bias supply terminal, 5, 5A, 5B... Bias circuit, 6... Resistor, 7... Thermistor, 8... ...Resistor, 9...Driver, 10...Diode, 11...Resistor, 12...
Diode, 13...resistance.
Claims (1)
衰量が変化されるダイオード減衰器と、一定電圧
を供給する駆動器と、この駆動器の電圧を変換し
て前記ダイオード減衰器のバイアス供給端子に供
給するバイアス回路とを備えるダイオード減衰器
駆動回路において、前記バイアス回路は駆動器と
直列に接続される抵抗回路と、帰線との間に接続
したダイオード及び抵抗よりなる直列回路とで構
成される回路を１つ以上縦続接続したことを特徴
とするダイオード減衰器駆動回路。 A diode attenuator whose attenuation is changed according to the voltage applied to a bias supply terminal, a driver that supplies a constant voltage, and a voltage of this driver that is converted and supplied to the bias supply terminal of the diode attenuator. In the diode attenuator drive circuit, the bias circuit includes a resistor circuit connected in series with the driver, and a series circuit including a diode and a resistor connected between a return wire and a return wire. A diode attenuator drive circuit characterized in that one or more are connected in cascade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12132588U JPH0243013U (en) | 1988-09-16 | 1988-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12132588U JPH0243013U (en) | 1988-09-16 | 1988-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243013U true JPH0243013U (en) | 1990-03-26 |
Family
ID=31368230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12132588U Pending JPH0243013U (en) | 1988-09-16 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243013U (en) |
-
1988
- 1988-09-16 JP JP12132588U patent/JPH0243013U/ja active Pending
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