With the circuit shown here you can create high frequency electromagnetic waves with very high output power. Possible applications are experiments with wireless power transmission, RFID Transponder, tesla coils and the like. Dependent on the coil, capacitor and cooling of the transistors output power in the range of 20W and more can be obtained. At [...]
Mosfet 25W Audio Amplifier Part List: R1,R4_________47K 1/4W Resistors R2____________4K7 1/4W Resistor R3____________1K5 1/4W Resistor R5__________390R 1/4W Resistor R6__________470R 1/4W Resistor R7___________33K 1/4W Resistor R8__________150K 1/4W Resistor R9___________15K 1/4W Resistor R10__________27R 1/4W Resistor R11_________500R 1/2W Trimmer Cermet R12,R13,R16__10R 1/4W Resistors R14,R15_____220R 1/4W Resistors R17___________8R2 2W Resistor R18____________R22 4W Resistor (wirewound) C1___________470nF 63V Polyester Capacitor C2___________330pF [...]
This power inverter circuit will provide a very stable “Square Wave” Output Voltage. Frequency of operation is determined by a pot and is normally set to 60 Hz. Various “off the shelf” transformers can be used. Or Custom wind your own for best results. Additional MosFets can be paralleled for higher power. It is recommended [...]
Mosfet 300W Audio Power Amplifiers Schematics Mosfet 300W Audio Power Amplifiers Schematics Specification: Maximum Output: 240 watts rms into 8 Ohms, 380 watts rms into 4 Ohms Audio Frequency Linearity: 20 Hz – 20 kHz (+0, -0.2 dB) Closed Loop Gain: 32 dB Hum and Noise: -90 dB (input short circuit) Output Offset Voltage: Less [...]
