The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very famous tube and great for power tube amplifier. The circuit…
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DC Motor Controller using Transistor TIP31
…The LED function is to indicate the direction of motor rotation, you may use any common LED type. The TIP31 transistors capable to handle 3A maximum electric current, you may…
Audio/Video to UHF TV Signal Converter (Modulator)
…up the windings on a gimlet of 3.5mm diameter. Download the application note of Audio/Video to UHF TV signal converter: Audio/Video Modulator – Valleman Kit 1 file(s) 328.45 KB Download…
Video Amplifier based LH0032
…to 0.1%. The LH0032 has the added advantage of FET input characteristics. Download LH0032 datasheet and application note from the following link: LH0032 Datasheet Document 1 file(s) 106.43 KB Download…
1 – 9V Variable Desktop Power Supply
Here the variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of a desktop computer into small output voltage (1.25 to 9…
Electronic Dice Based Microcontroller Atmel AT89C2051
…of a dice. Suggested LED arrangement for the electronic dice display is shown on the right side. This simple circuit -which come from EFY magazine- demonstrates the capability of an…
Ultrasonic Distance Detector / Sonar Ranging System
…is 3x more expensive than if you build your own sonar ranging system. Some application may use this circuit such as robot applications, body height measurement, blind shoes, etc. How…
20 Watt Audio Amplifier with LM1875
…a very wide supply range. The amplifier is internally compensated and stable for gains of 10 or greater. Download LM1875 datasheet for 20 Watt audio amplifier reference project: LM1875 Datasheet…
Low Impedance Microphone Amplifier
…470u R7= 10k C6= 10u P1= 1M C7= 100n C8= 47u UNIPOLAR PCB layout (bottom): PCB layout (top-component placement): Good luck with this low impedance microphone amplifier circuit project 🙂…
200 Watt High Quality Audio Amplifier
…Quality Audio Amplifier Schematic and PCB Layout Schematic diagram: Component part list: Description: Top PCB Layout: Bottom PCB Layout: Good luck in bultd 200W high quality audio amplifier project 🙂…
