RF Signal jammers are circuits used to jam RF signals of particular frequency.These circuits jam RF signals around us stopping the device from reception and decoding of these signals.These kind of jammers block signals from Cell Phones, Wireless…
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Hi guys, today we are going to be presenting a variation of a vacuum tube and it's applications.This is the EM80 (or alternatively EM84) magic eye vacuum tube.Historically it found use in early radio receivers, where frequency stability…
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I have come up with another amplifier circuit which is capable of delivering 15 Watts output power.I have built this using my favorite Pentode just like my previous circuits.This one is a big project with several sub-circuits, so…
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The above you see is a result of my work in which i tried to go Vintage with my design.I was talking about the usage of Vacuum tubes when i mention the word Vintage, am pretty sure you will…
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Am back with another oscialltor circuit, sawtooth waveform this time.I have designed a mini sawtooth generator using simple NPN and PNP transistors.The most highlighting feature about this circuit will be its miniature size and easy to use on…
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Oscillator circuits are the ones which produces certain waveform with specified frequency.These kind of circuits come in handy when there is a need of signal source for any specified application.Here i have built a primitive Wien bridge oscillator…
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Square waves are extensively used in many digital circuits.Many combinational logic circuits require this wave to operate.Here are few methods you can generate simple square wave using NAND, Inverter and Schmitt Trigger gates.These kind of square wave…
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