Output of DC-AC Pure Sine Wave Inverter Circuit

Output of DC-AC Pure Sine Wave Inverter Circuit

The output shown was for an input voltage of 12V and a 300 ohm load after the filter. The amplitude of the output wave was only 14V pkpk, a discrepancy easily explained by the low ratio of sine wave to triangle wave control signals. Once tuned for high voltage peration, the gain on the noninverting amplifier for the reference sine will be increased to output a 340V pk-pk signal when the input is 200V. If necessary, the frequency of the signal can be adjusted by changing resistor values in the sine wave generator (Bubba) circuit.

This schematic diagram come from circuit: Report: DC/AC Pure Sine Wave Inverter.
Go to that page to read the explanation about above circuit design.

In the electrical sector, a schematic diagram is usually used to describe the design or model of equipment. Schematic diagrams are usually utilized for the maintenance and repair of electronic and electromechanical devices / units. Original schematics were made by hand, using standardized templates or pre-printed adhesive symbols, but nowadays Electrical CAD computer software is often used.

In electronic design automation, until the 1980s schematics were virtually the only formal representation for circuits. More lately, using the progress of computer system technology, other representations were introduced and specialized computer languages were developed, because with the explosive development of the complexity of electronic circuits, classic schematics are getting less practical. As an example, hardware description languages are indispensable for contemporary digital circuit design.

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