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 Electric fish shocker circuit

Saturday, October 18th, 2014

This is the simple electric fish shocker circuit or fish stunner. It helps in catching fish easier, it use 12V battery to convert to 220V AC. We use few parts so easy and cheap. How it works This circuit convert voltage from 12V battery to AC 220 volts. Both transistors will alternately work ON and […]


 NE5532 datasheet; Dual low noise operational amplifier

Friday, October 17th, 2014

NE/SA/SE5532/5532A: Internally-compensated dual low noise operational amplifier The 5532 is a dual high-performance low noise operational amplifier. Compared to most of the standard operational amplifiers, such as the 1458, it shows better noise performance, improved output drive capability and considerably higher small-signal and power bandwidths. This makes the device especially suitable for application in high-quality […]


 5 watts Class A amplifier using NE5532 and MJ2955

Thursday, October 16th, 2014

      Here is the 5 watts really class A amplifier using NE5532 and MJ2955 as based. This is best of quality sound.       We used popularly the many type of power amplifier. For example: Class A, Class B, Class AB etc. The Class A amplifier is the best of quality sound.       But the class A to the […]


 How to build the PCB by yourself

Saturday, October 11th, 2014

Creating a PCB is difficult. If you want to create your own PCB. I find good information on various websites. For the benefit of friends. This week, I collaborated with Xander to show you how to make your own printed circuit boards (PCBs) using a laserjet printer.


 Automatic duty factor controlled circuit

Saturday, October 11th, 2014

We can use the schmitt trigger to generate the simple square wave. The duty factor of output waveform will be determined by the input waveform. But the threshold level is the importance. In Figure 1 will have the output while input waveform as Figure 2 cannot have output. Figure 1 Automatic duty factor controlled circuit […]



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