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	<title>udinmduro.com &#187; stereo sound</title>
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	<link>http://udinmduro.com</link>
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		<title>Skema Rangkaian Switch on/off Digital</title>
		<link>http://udinmduro.com/electronic/skema-rangkaian-switch-onoff-digital/</link>
		<comments>http://udinmduro.com/electronic/skema-rangkaian-switch-onoff-digital/#comments</comments>
		<pubDate>Mon, 22 Mar 2010 09:24:12 +0000</pubDate>
		<dc:creator>udinmduro</dc:creator>
				<category><![CDATA[electronic]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[audio]]></category>
		<category><![CDATA[circuit]]></category>
		<category><![CDATA[schematic]]></category>
		<category><![CDATA[Simple]]></category>
		<category><![CDATA[stereo sound]]></category>

		<guid isPermaLink="false">http://udinmduro.com/?p=540</guid>
		<description><![CDATA[Skema Rangkaian ini berfungsi untuk memutus dan menghubungkan arus listrik,
Baik digunakan untuk aplikasi Audio ataupun terserah anda akan diaplikasikan ke apa saja.
Seperti kebanyakan peralatan elektronika saat ini sudah tidak banyak yang dioperasikan secara manual, dan tergeser oleh peralatan elektronika yang dioperasikan digital. Rangkaian dibawah ini adalah salah satau contoh operasi digital yang berfungsi segaai saklar on/off.



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		<title>Skema Rangkaian, Headphone Dengan Infra Red</title>
		<link>http://udinmduro.com/electronic/skema-rangkaian-headphone-dengan-infra-red/</link>
		<comments>http://udinmduro.com/electronic/skema-rangkaian-headphone-dengan-infra-red/#comments</comments>
		<pubDate>Fri, 22 Jan 2010 12:39:14 +0000</pubDate>
		<dc:creator>udinmduro</dc:creator>
				<category><![CDATA[electronic]]></category>
		<category><![CDATA[audio]]></category>
		<category><![CDATA[circuit]]></category>
		<category><![CDATA[schematic]]></category>
		<category><![CDATA[Simple]]></category>
		<category><![CDATA[speakers]]></category>
		<category><![CDATA[stereo sound]]></category>

		<guid isPermaLink="false">http://udinmduro.com/?p=415</guid>
		<description><![CDATA[IR transmitter uses two-stage transistor amplifier to drive two series-connected IR LEDs. An audio output transformer is used (in reverse) to couple audio output from TV to the IR transmitter. Transistors T1 and T2 amplify the audio signals received from TV through the audio transformer. 
Low-impedance output windings (lower gauge or thicker wires) are used for connection to TV side while high-impedance windings are connected to IR transmitter. This IR transmitter can be powered from a 9-volt mains adapter or battery. Red LED1 in transmitter circuit functions as a zener diode (0.65V) as well as supply-on indicator.


IR receiver uses 3-stage transistor amplifier. The first two transistors (T4 and T5) form audio signal amplifier while the third transistor T6 is used to drive a headphone. Adjust potmeter VR2 for max. clarity.
Direct photo-transistor towards IR LEDs of transmitter for max. range. A 9-volt battery can be used with receiver for portable operation.

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		<title>Mono To Stereo</title>
		<link>http://udinmduro.com/electronic/mono-to-stereo/</link>
		<comments>http://udinmduro.com/electronic/mono-to-stereo/#comments</comments>
		<pubDate>Mon, 13 Jul 2009 13:10:40 +0000</pubDate>
		<dc:creator>udinmduro</dc:creator>
				<category><![CDATA[electronic]]></category>
		<category><![CDATA[circuit]]></category>
		<category><![CDATA[mono]]></category>
		<category><![CDATA[recordings]]></category>
		<category><![CDATA[stereo signal]]></category>
		<category><![CDATA[stereo sound]]></category>

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		<description><![CDATA[This circuit attempts to liven up mono sound sources by simulating a stereo signal. It does this by shifting certain frequencies between left and right to fool the ear. It can often produce a passable mock stereo sound to bring some depth to otherwise flat recordings. Of course, there is no way to produce real stereo sound from a purely mono source unless the synthesizer had a way to tell which direction the original sound came from, but an illusion is generally enough for all but the hard core audiophile.

R114.7K 1/4W Resistor R2110K 1/4W Resistor R3112K 1/4W Resistor R4, R6222K 1/4W Resistor R5111.K 1% 1/4W Resistor R7116K 1/4W Resistor R81100K 1/4W Resistor R9124K 1/4W Resistor R10118K 1/4W Resistor C110.1uF Ceramic Disc Capacitor C2, C320.47uF Ceramic Disc Capacitor C4, C5, C730.01uF Ceramic Disc Capacitor C610.013uF Ceramic Disc Capacitor C8, C924.7uF 25V Electrolytic Capacitor C1010.22uF Capacitor C11147uF 25V Electrolytic Capacitor C121100uF 25V ...]]></description>
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