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/2011/02/03/5-v-fet-regulator-and-how-it-works/ http://www.simplecircuitdiagram.com/2011/02/03/5-v-fet-regulator-and-how-it-works/#comments Thu, 03 Feb 2011 03:02:53 +0000 Rend http://www.simplecircuitdiagram.com/?p=2336 Using a FET and two additional transistors (cascaded to improve the gain), a 5V FET voltage regulator can be formed. The additional Tr2 and Tr3 transistors will improve the output current handling and decrease the output impedance. The output voltage … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/02/03/5-v-fet-regulator-and-how-it-works/feed/ 0 http://www.simplecircuitdiagram.com/2011/02/01/50v-precision-regulator-using-lm10-ic/ http://www.simplecircuitdiagram.com/2011/02/01/50v-precision-regulator-using-lm10-ic/#comments Tue, 01 Feb 2011 02:09:50 +0000 Rend http://www.simplecircuitdiagram.com/?p=2183 This voltage regulator arrangement is unique, since the op-amp is configured not to see either the source voltage or the output voltage directly, making it possible to regulate higher voltage while the IC is only suffering the transistors bias voltage. … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/02/01/50v-precision-regulator-using-lm10-ic/feed/ 0 http://www.simplecircuitdiagram.com/2011/01/04/lm10-negative-regulator/ http://www.simplecircuitdiagram.com/2011/01/04/lm10-negative-regulator/#comments Tue, 04 Jan 2011 01:44:49 +0000 Rend http://www.simplecircuitdiagram.com/?p=2182 It is possible to build a negative regulator using LM10 comparator and voltage reference IC. A transistor is employed to shift the reference current, increasing the minimum operating voltage to approximately 1.8V. The transistor should has high gain for better … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/01/04/lm10-negative-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/12/29/shunt-regulator/ http://www.simplecircuitdiagram.com/2010/12/29/shunt-regulator/#comments Wed, 29 Dec 2010 04:17:01 +0000 Rend http://www.simplecircuitdiagram.com/?p=2184 Shunt regulator is equivalent with zener diode regulator, where you can connect the circuit in series with a resistor and tap the output at the junction. With LM10, we can build more stable regulator (compared to zener diode version). Here … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/12/29/shunt-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/12/23/lm10-voltage-regulator/ http://www.simplecircuitdiagram.com/2010/12/23/lm10-voltage-regulator/#comments Thu, 23 Dec 2010 05:55:13 +0000 Rend http://www.simplecircuitdiagram.com/?p=2179 As long as we have a stable voltage reference, a stable voltage source can be produced by amplifying the reference. LM10 provide both the reference and the amplifier, so it need no additional external components to build such system. Here … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/12/23/lm10-voltage-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/11/20/transistor-buffer-for-zener-diode-voltage-regulator/ http://www.simplecircuitdiagram.com/2010/11/20/transistor-buffer-for-zener-diode-voltage-regulator/#comments Sat, 20 Nov 2010 03:22:05 +0000 Rust http://www.simplecircuitdiagram.com/?p=1960 Buffering for the zener is provided by the impedance matching and current amplifying characteristics of the emitter follower and draw less current from it. To a Zener regulator, it’s a useful adjunct. The capacitor on the right circuit is used … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/11/20/transistor-buffer-for-zener-diode-voltage-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/11/15/lm317-variable-output-1-2-17v-regulator/ http://www.simplecircuitdiagram.com/2010/11/15/lm317-variable-output-1-2-17v-regulator/#comments Mon, 15 Nov 2010 02:43:47 +0000 Rust http://www.simplecircuitdiagram.com/?p=1794 Variable output regulator is valuable for your test bench tools. This regulator produce variable voltage source from 1.2 to 17Volts. Series type regulator consist of something equivalent to variable-resistance device, an LM317 for this case. Since series-pass regulator dissipates power … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/11/15/lm317-variable-output-1-2-17v-regulator/feed/ 0 http://www.simplecircuitdiagram.com/2010/11/02/voltage-regulator-with-op-amp-and-transistors/ http://www.simplecircuitdiagram.com/2010/11/02/voltage-regulator-with-op-amp-and-transistors/#comments Tue, 02 Nov 2010 02:02:51 +0000 Rust http://www.simplecircuitdiagram.com/?p=1801 With feedback, we can do very much better and achieve a nearly perfect voltage source. We can see this principle which is shown in the circuit below. Using a voltage divider on the output or the voltage reference, the output … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/11/02/voltage-regulator-with-op-amp-and-transistors/feed/ 0 http://www.simplecircuitdiagram.com/2010/10/04/linear-power-supply/ http://www.simplecircuitdiagram.com/2010/10/04/linear-power-supply/#comments Mon, 04 Oct 2010 06:19:37 +0000 Rend http://www.simplecircuitdiagram.com/?p=1570 A diode bridge, a step down transformer a linear regulator(U1) and some filtering capacitors can be used to build a Linear power supply. This circuit has some advantages such as this circuit has high output current and can give multiple … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/10/04/linear-power-supply/feed/ 0 http://www.simplecircuitdiagram.com/2010/03/20/low-cost-ac-supply/ http://www.simplecircuitdiagram.com/2010/03/20/low-cost-ac-supply/#comments Sat, 20 Mar 2010 03:11:06 +0000 Rend http://www.simplecircuitdiagram.com/?p=806 Applying the filtered and rectified AC input to a high-input-voltage linear regulator is the simplest way to produce low current level from an AC source. However, it will causes the power dissipation in the regulator. The power dissipation can be … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/03/20/low-cost-ac-supply/feed/ 0