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Mini Amplifier

Mini Amplifier Audio circuit using LA4422 Mini Amplifier Audio circuit using LA4422 Mini Amplifier R 1,2 …… 10K R 3 …….. 2K2 VR 1 ……. 50K VR 2,3 ….. 100K C 1 …….. 22 nF C 2 …….. 10 nF C 3,8 …… 100 nF C 4 …….. 22 nf C 5,6 …… 100 uF […]

light switch project

light switch project using BC107 BC108 BC107 BC108 BC557 BC558 BC327 light switch project using BC107 BC108 BC107 BC108 BC557 BC558 BC327 Parts R light resistor R1 4,7 K R2 1,2 K R3 2,2 K R4 1,2 K R5 1,2 K R6 2,7 K R7 100 K C1 10 956/16V TR1 BC107-BC108 NPN (CV7644) TR2 […]

Amplifier Circuit Board Using LA4508

Amplifier Circuit Board Using LA4508 For compo TOSHIBA, SHARP, LG, SAMSUNG, PIONEER, PANASONIC, POLYTRON, PHILIPS, SONY 40W Sound Amplifier Circuit Board LA4508  Vcc 12v and 3A

How to make SWR measuring Transmitter output Power

How to make SWR measuring Transmitter output Power? SWR is not difficult to make, although the circuit is very simple SWR SWR but it has the function of the transmitter output power measured with any accuracy, and how to add components to SWR SWR-PWR schema. If you change the resistor values increase the componint that […]

Guitar Amplifiers

100W Guitar Amplifiers using BD139, MJ11016, MJ11015 100W Guitar Amplifiers circuit using BD139, MJ11016, MJ11015 R1     6K8    1W Resistor R2,R4  470R   1/4W Resistors R3     2K   1/2W Trimmer Cermet R5,R6  4K7  1/2W Resistors R7     220R   1/2W Resistor R8     2K2  1/2W Resistor R9     50K   1/2W Trimmer Cermet R10    68K   1/4W Resistor R11,R12R47   4W Wirewound Resistors C1,C2,C4,C5 47µF   […]

IR remote control light, using relay

IR remote control light, using relay IR remote control light, using relay

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