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| 型号： | H-38-11 |
| 厂商： | Bourns Inc. |
| 文件页数： | 32/73页 |
| 文件大小： | 0K |
| 描述： | HDWR NUT MOUNTING FOR ECW ENCODR |
| 产品变化通告： | H-38-11 Hardware Change 26/Jul/2010 |
| 标准包装： | 1,000 |
| 产品目录页面： | 2575 (CN2011-ZH PDF) |
| 配用： | ECW1DB24BC0024-ND - ENCODER DIGITAL CONT 24 CPR ECW1JB24BC0024-ND - ENCODER DIGITAL CONT 24 CPR |
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Application Notes
Multiple-Input Position Sensor
In this application, a multiple-input circuit takes
outputs from two or more position-indicating
potentiometers, resulting in a control voltage output
proportional to the sum of the shaft positions. The
Regulated Power Supply Voltage Control
A regulated power supply control uses a highly linear
10-turn precision potentiometer. A digital turns-
counting dial can be used to indicate the output
voltage. See Figure 9.
selected series resistor value must be large compared
to potentiometer value for maximum accuracy.
Different resistors give weighted sums while opposite
polarities give differences. See Figure 7.
Figure 9: Regulated PS Voltage Control Circuit
RC Frequency Control (Calibrated)
A frequency control in a bridge oscillator requires
that the two potentiometers track each other closely.
Figure 7: Multiple-Input Position Sensor Circuit
Shaft Angle Sensor
As a shaft angle sensor, the shaft position or
direction indicator for rotatable antenna, control
surface, valve, tool, etc. The position signal may be
indicated, displayed or used to control some related
function. See Figure 8.
Good linearity is necessary if a calibrated dial is to be
used. Wirewound potentiometers work well for
frequencies up to a few tens of kHz. At higher
frequencies, winding inductance causes problems
dictating use of ?lm elements. The resolution of
wirewound potentiometers should be considered at
the low R (high frequency) end of rotation. Both
potentiometers are controlled with a single shaft. See
Figure 10.
Figure 8: Shaft Angle Sensor Circuit
Figure 10: RC Frequency Control Circuit
31
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相关代理商/技术参数 |
参数描述 |
|---|---|
| H-381-14 | 制造商:ETC MOLEX-INACTIVE 功能描述:Cross Referenced to MOLEX - Part: MOL19193-0330 |
| H-381-38 | 制造商:ETC MOLEX-INACTIVE 功能描述:Cross Referenced to MOLEX - Part: MOL19193-0331 制造商:Molex 功能描述:Ring Tongue Terminal (1/0)AWG 48.77mm 21.34mm Electro-Tin Bag |
| H-38-14 | 功能描述:电位计工具及硬件 H-038 HARDWARE RoHS:否 制造商:Vishay/Spectrol 产品:Adapter Kit |
| H-38-15 | 功能描述:电位计工具及硬件 HARDWARE - NUT RoHS:否 制造商:Vishay/Spectrol 产品:Adapter Kit |
| H-381-56 | 制造商:ETC MOLEX-INACTIVE 功能描述:Cross Referenced to MOLEX - Part: MOL19193-0333 |
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