http://www.simplecircuitdiagram.com Free Simple Circuit Diagram Tue, 24 Jan 2012 02:31:05 +0000 en hourly 1 http://wordpress.org/?v=abc http://www.simplecircuitdiagram.com/2011/01/21/resistance-thermometer-current-loop-transmitter/ http://www.simplecircuitdiagram.com/2011/01/21/resistance-thermometer-current-loop-transmitter/#comments Fri, 21 Jan 2011 03:31:50 +0000 Rust http://www.simplecircuitdiagram.com/?p=2215 Resistance temperature sensor (RTD, resistive temperature device)  comes in NTC (negative temperature coefficient) and PTC (positive temperature coefficient) forms. A schematic diagram below show a signal conditioner circuit for such thermometer. This sensor conditioning circuit works in current mode (current … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/01/21/resistance-thermometer-current-loop-transmitter/feed/ 0 http://www.simplecircuitdiagram.com/2011/01/17/4-20ma-current-loop-bridge-sensor-transmitter/ http://www.simplecircuitdiagram.com/2011/01/17/4-20ma-current-loop-bridge-sensor-transmitter/#comments Mon, 17 Jan 2011 01:46:35 +0000 Rust http://www.simplecircuitdiagram.com/?p=2209 Bridged resistive sensing elements is common in resistive type sensors/transducers. This sensor type need a biasing voltage to operate. LM10 provide low reference voltage, which is suitable for powering usually low resistance bridge type sensors such as strain gauges. The … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/01/17/4-20ma-current-loop-bridge-sensor-transmitter/feed/ 0 http://www.simplecircuitdiagram.com/2011/01/12/precision-current-loop-thermocouple-transmitter/ http://www.simplecircuitdiagram.com/2011/01/12/precision-current-loop-thermocouple-transmitter/#comments Wed, 12 Jan 2011 02:46:03 +0000 Rust http://www.simplecircuitdiagram.com/?p=2212 Current loop analog data transmission is used in industrial environment because of its robustness (good noise immunity), while providing wiring fault detection (short and broken wiring) with a simple mechanism by detecting out range current level. In 4-20mA current loop … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/01/12/precision-current-loop-thermocouple-transmitter/feed/ 0 http://www.simplecircuitdiagram.com/2011/01/06/logarithmic-light-photodiode-sensor-signal-conditioner/ http://www.simplecircuitdiagram.com/2011/01/06/logarithmic-light-photodiode-sensor-signal-conditioner/#comments Thu, 06 Jan 2011 02:37:24 +0000 Rust http://www.simplecircuitdiagram.com/?p=2224 There are many measurement system that would be more suitable if we use logarithmic scale, especially when we try to mimics human sensory response. Most physical phenomenon that sensible to human’s biological sensor system is wide range in nature. Human … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/01/06/logarithmic-light-photodiode-sensor-signal-conditioner/feed/ 0 http://www.simplecircuitdiagram.com/2010/12/27/lm10-thermocouple-current-loop-transmitter/ http://www.simplecircuitdiagram.com/2010/12/27/lm10-thermocouple-current-loop-transmitter/#comments Mon, 27 Dec 2010 02:38:39 +0000 Rust http://www.simplecircuitdiagram.com/?p=2221 Current loop transmitter is the term associated with sensor system that is used in industrial 4-20mA current loop technology. This transmitter contain the signal conditioning circuit for the sensor (chromel-alumel thermocouple), and a current regulator to maintain the current  loop … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/12/27/lm10-thermocouple-current-loop-transmitter/feed/ 0 http://www.simplecircuitdiagram.com/2010/12/24/lm10-current-regulator/ http://www.simplecircuitdiagram.com/2010/12/24/lm10-current-regulator/#comments Fri, 24 Dec 2010 02:24:55 +0000 Rend http://www.simplecircuitdiagram.com/?p=2180 Current regulator acts like a load when connected to a voltage source, or in series between voltage source and real load. The main characteristic of a current regulator circuit is that it will try to keep the current flowing through … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/12/24/lm10-current-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/08/13/tmp01-4-to-20ma-current-loop/ http://www.simplecircuitdiagram.com/2010/08/13/tmp01-4-to-20ma-current-loop/#comments Fri, 13 Aug 2010 02:48:19 +0000 Rend http://www.simplecircuitdiagram.com/?p=1289 This is a 4 mA TO 20 mA CURRENT LOOP circuit. This circuit is used to transmit  a signal over long distances. The accuracy of this circuit is not compromised by voltage drops across the line. This circuit must consume … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/08/13/tmp01-4-to-20ma-current-loop/feed/ 0 http://www.simplecircuitdiagram.com/2010/05/07/temperature-sensor-current-loop-transmitter/ http://www.simplecircuitdiagram.com/2010/05/07/temperature-sensor-current-loop-transmitter/#comments Fri, 07 May 2010 03:14:07 +0000 Rust http://www.simplecircuitdiagram.com/?p=1100 LM134 makes a good temperature sensor because it has a highly linear output characteristic. Because it is a current output device and is therefore not affected by long wire runs, LM134 is particularly useful in remote sensing applications. LM134 is … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/05/07/temperature-sensor-current-loop-transmitter/feed/ 0 http://www.simplecircuitdiagram.com/2010/01/15/4ma%e2%80%9320ma-loop-powered-temperature-sensor/ http://www.simplecircuitdiagram.com/2010/01/15/4ma%e2%80%9320ma-loop-powered-temperature-sensor/#comments Fri, 15 Jan 2010 01:40:31 +0000 Adam http://www.simplecircuitdiagram.com/?p=480 This circuit is used to allow  a 4mA–20mA to power an analog temperature sensor. To provide a 4mA–20mA output over a 3.75V–28V compliance range this circuit uses an op-amp, low-dropout linear regulator, transistor and an analog temperature sensor. It  is … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/01/15/4ma%e2%80%9320ma-loop-powered-temperature-sensor/feed/ 0 http://www.simplecircuitdiagram.com/2009/12/11/computer-controlled-4-20ma-current-loop/ http://www.simplecircuitdiagram.com/2009/12/11/computer-controlled-4-20ma-current-loop/#comments Fri, 11 Dec 2009 00:22:29 +0000 Adam http://www.simplecircuitdiagram.com/?p=212 In some industries, to control the some equipments they are use computer-controlled 4-20mA current loop. This current loop is used transmit  a signal over a long distance wires. With current loop, the signal will be resistant from noise interference. To … Continue reading →]]> http://www.simplecircuitdiagram.com/2009/12/11/computer-controlled-4-20ma-current-loop/feed/ 0