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Audio/Video to UHF TV Signal Converter (Modulator)

This is the circuit diagram of audio/video modulator. The circuit will convert an audio and video signal into a UHF TV signal. It’s desired to connect a video signal originating from a camera or other video source to a normal TV set. The audio and video signal is converted into a UHF TV signal so… Read More »

8W Fluorescent Lamp Inverter based ZTX652

This circuit is basically a 8W inverter circuit. The  circuit continues to be intended to drive an 8W fluorescent lamp from a 12V power supply, utilizing an cheap inverter primarily based on a ZTX652 transistor. The inverter will operate from supplies in the variety of 10V to 16.5V, obtaining efficiencies up to 78% as a… Read More »

DC to DC Converter +5V to +12V

This is the fixed 5V to 12V DC to DC converter. The circuit application converts input voltage of 5V (range 4.5V-5.5v) to 12V fixed regulated DC output. The circuit built based National regulator monolithic IC LM2586 which is specifically designed for flyback, step-up (boost), and forward converter circuit applications. The LM2586 will require a heat… Read More »