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	<title>Electronic Circuits and Diagram-Electronics Projects and Design &#187; Automotive Circuits</title>
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	<description>An Authentic Resource on Electronics</description>
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		<title>Car stereo amplifier circuit using TDA2040</title>
		<link>http://www.circuitstoday.com/car-stereo-circuit-using-tda2040</link>
		<comments>http://www.circuitstoday.com/car-stereo-circuit-using-tda2040#comments</comments>
		<pubDate>Wed, 09 Feb 2011 09:23:22 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Car Audio Amplifier Circuits]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=4873</guid>
		<description><![CDATA[Car Audio Amplifier Circuit: Given below is a car stereo amplifier circuit using  audio amplifier IC &#8211; TDA2040 Description of the circuit: A car stereo amplifier circuit using TDA2040 is shown here. TDA2040 is a monolithic integrated audio amplifier that operates in Class AB mode. The IC has built in circuitry for short circuit protection and thermal shut down and more over it can be operated from a single supply too. The amplifier can deliver 12 watts into to a 8 ohm speaker. In the circuit the IC is wired in order to operate from the cars 12V line. Capacitor...]]></description>
		<wfw:commentRss>http://www.circuitstoday.com/car-stereo-circuit-using-tda2040/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Car audio amplifier using TDA2003</title>
		<link>http://www.circuitstoday.com/car-stereo-amplifier-using-tda2003</link>
		<comments>http://www.circuitstoday.com/car-stereo-amplifier-using-tda2003#comments</comments>
		<pubDate>Tue, 08 Feb 2011 06:30:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Amplifier Circuits]]></category>
		<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Car Audio Amplifier Circuits]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=4811</guid>
		<description><![CDATA[Car Audio Amplifier Circuit Description. A simple low power car stereo amplifier circuit based on TDA 2003 is shown here. The circuit uses cheap, readily available components and it is very easy to construct. TDA2003 is an integrated car radio amplifier from ST Micro electronics that has a lot of good features like short circuit protection for all pins, thermal over range low harmonic distortion, low cross over distortion etc. In the circuit given here each TDA2003 is wired as a mono amplifier operating from a 12V supply. Resistors R2 and R3 forms a feedback network that sets the amplifiers...]]></description>
		<wfw:commentRss>http://www.circuitstoday.com/car-stereo-amplifier-using-tda2003/feed</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Car Stereo Amplifier Circuit</title>
		<link>http://www.circuitstoday.com/car-stereo-amplifier-circuit</link>
		<comments>http://www.circuitstoday.com/car-stereo-amplifier-circuit#comments</comments>
		<pubDate>Wed, 02 Feb 2011 10:42:21 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Amplifier Circuits]]></category>
		<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Car Audio Amplifier Circuits]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=4715</guid>
		<description><![CDATA[Car Stereo Amplifier Circuit Given below is the circuit of a car stereo amplifier that can be used in cars or other vehicles. We have used TDA1553, which is a Class-B audio amplifier. Description : Here is the circuit of a car stereo amplifier based on TDA1553. TDA1553 is a monolithic Class-B audio amplifier which contains 2 x 22 watt amplifiers in bridge tied load configuration. The amplifier operates from 12V DC and is developed intentionaly for car audio applications. The IC also has a load of good features like short circuit protection, load dump protection, reverse polarity protection, loud...]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>20W audio amplifier using LM1875</title>
		<link>http://www.circuitstoday.com/20w-audio-amplifier-using-lm1875</link>
		<comments>http://www.circuitstoday.com/20w-audio-amplifier-using-lm1875#comments</comments>
		<pubDate>Sat, 14 Aug 2010 09:51:19 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Electronic Circuits]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=4205</guid>
		<description><![CDATA[Description. This is just another 20W audio amplifier circuit , but this time based on the LM1875 audio amplifier IC from National Semiconductors. With a 25V dual power supply LM1875 can deliver 20W of audio power into a 4 ohm speaker. The LM1875 requires very less external components and has very low distortion. The IC is also packed with a lot good features like fast slew rate, wide supply voltage range, high output current, high output voltage swing, thermal protection etc. The IC is available in TO-220 plastic power package and is well suitable for a variety of applications like...]]></description>
		<wfw:commentRss>http://www.circuitstoday.com/20w-audio-amplifier-using-lm1875/feed</wfw:commentRss>
		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Car subwoofer filter</title>
		<link>http://www.circuitstoday.com/car-subwoofer-filter</link>
		<comments>http://www.circuitstoday.com/car-subwoofer-filter#comments</comments>
		<pubDate>Tue, 16 Feb 2010 12:38:46 +0000</pubDate>
		<dc:creator>jacky</dc:creator>
				<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Audio circuits]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>
		<category><![CDATA[Electronic Circuits]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=3008</guid>
		<description><![CDATA[Description. Here is the circuit diagram of a simple subwoofer filter that can be operated from a 12V DC supply. Such a circuit is very useful in automobile subwoofer applications. The circuit is nothing but a low pass filter whose pass frequency can be adjusted between 60 to 160 Hz. The circuit is designed around the TL072 dual BIFET opamp IC. Out of the two opamps inside the chip, IC1A is wired as a buffer. The left and right audio inputs after mixing is fed to the input of the IC1A using the DPDT switch S1. Switch S1 is the...]]></description>
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		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Tachometer circuit</title>
		<link>http://www.circuitstoday.com/tachometer-circuit</link>
		<comments>http://www.circuitstoday.com/tachometer-circuit#comments</comments>
		<pubDate>Mon, 21 Sep 2009 07:44:07 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=2221</guid>
		<description><![CDATA[Description. Here is a simple circuit that can be used as a tachometer. The circuit is basically a frequency to current converter which converts the incoming signal into a proportional current to drive the meter. The deflection on the ammeter will be proportional to the frequency of the incoming signal. For using this circuit as an automobile tachometer, the input terminal A should be connected to the spark plug cable and terminal B should be connected to the vehicles ground. For calibrating the circuit, set R2 at 25K and R4 at 5K.Power up the circuit and feed the input terminal...]]></description>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>F to V Converter</title>
		<link>http://www.circuitstoday.com/f-to-v-converter</link>
		<comments>http://www.circuitstoday.com/f-to-v-converter#comments</comments>
		<pubDate>Fri, 18 Sep 2009 09:40:28 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Test & Measurement Circuits]]></category>
		<category><![CDATA[555 timer]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>
		<category><![CDATA[Electronic Circuits]]></category>
		<category><![CDATA[NE555 timer]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=2163</guid>
		<description><![CDATA[F to V Converter Circuit using LM555 Timer Description. Here is a very simple circuit diagram of a frequency to voltage (F to V) converter. Such a circuit finds numerous applications in projects like digital frequency meters, tachometers etc. The circuit is mainly based on a LM555 timer IC. The IC is wired in mono shot mode to convert the input frequency into a fixed pulse width, variable frequency PWM signal. Resistors R4 and capacitor C2 provides the necessary timing for the circuit. The transistor T1 forms a discharge path parallel to C2 which is necessary for re triggering the...]]></description>
		<wfw:commentRss>http://www.circuitstoday.com/f-to-v-converter/feed</wfw:commentRss>
		<slash:comments>10</slash:comments>
		</item>
		<item>
		<title>10W amplifier using TDA2003.</title>
		<link>http://www.circuitstoday.com/10w-amplifier-using-tda2003</link>
		<comments>http://www.circuitstoday.com/10w-amplifier-using-tda2003#comments</comments>
		<pubDate>Mon, 17 Aug 2009 09:46:16 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[Audio Circuits]]></category>
		<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Audio circuits]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=1310</guid>
		<description><![CDATA[Description. Here is the circuit diagram of a 10W audio amplifier using the popular TDA2003 IC from SGS Thomson. The IC can easily deliver 10W to a 4 Ohms load at 18V DC supply voltage. The IC can be also operated from 12V and that makes it applicable in car audio systems. The useful features of TDA2003 includes short circuit protection between all pins, thermal overload protection, low harmonic distortion, low cross over distortion etc. The circuit given here is designed as per the datasheet from the manufacturer and found to be working fine. Capacitor C7 performs the job of...]]></description>
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		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Lamp flasher using LM317</title>
		<link>http://www.circuitstoday.com/lamp-flasher-using-lm317</link>
		<comments>http://www.circuitstoday.com/lamp-flasher-using-lm317#comments</comments>
		<pubDate>Fri, 14 Aug 2009 08:40:46 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Lighting Circuits]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=1282</guid>
		<description><![CDATA[Description. Here is a very useful lamp flasher circuit using the famous adjustable voltage regulator IC LM317T. LM317 can source up to 1A of current and so up to 12W lamps can be used with this flasher. Such a circuit finds huge application in automobiles. The frequency of the flashing depends on the value of resistors R1 to R3 and capacitors C2 to C4.With the given values; the flashing rate is around 5 flashes per second. Circuit diagram. Notes. The circuit can be assembled on a Vero board. Use 12V DC for powering the circuit. Use a proper heat sink...]]></description>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Lamp flasher using LM395</title>
		<link>http://www.circuitstoday.com/lamp-flasher-using-lm395</link>
		<comments>http://www.circuitstoday.com/lamp-flasher-using-lm395#comments</comments>
		<pubDate>Wed, 05 Aug 2009 18:50:15 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[Automotive Circuits]]></category>
		<category><![CDATA[Lighting Circuits]]></category>
		<category><![CDATA[circuit design]]></category>
		<category><![CDATA[circuit diagram]]></category>

		<guid isPermaLink="false">http://www.circuitstoday.com/?p=1262</guid>
		<description><![CDATA[Description. This powerful lamp flasher circuit is ideal for use in automobiles. The circuit is based on IC LM395 (also known as super transistor) which is a very powerful integrated monolithic power transistor with features such as thermal overload protection, current limiting etc. In fact this IC is almost indestructible.The IC can handle currents up to 1A and switch 40V in less than 500 nano seconds. Resistance R1 and capacitor C1 determines the frequency of flashing. With the stated values flash rate is around 1 flash per second. Circuit diagram with Parts list. Notes. The circuit can be assembled on...]]></description>
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		<slash:comments>0</slash:comments>
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