Abstract This article presents a signal generator science Quad Mara Ranger. Using principle of signal circuit design is based on LC-circuit resistors in parallel with positive and negative type. Signal generator circuit consists of a conveyor belt flow pressure difference (VDCC) together with the 2 capacitors per 2 earthing and grounding resistance per 3 works in switched mode voltage and voltage-mode circuit by sources can be a science Quad Mara Ranger. Section motkrasaeongachon signal that science can have a phase difference together 180 º, and can adjust the size of the current output. The circuit can control the terms and the frequency of the signal freely from each other by electronic means. With total harmonic distortion (THD) Nick 0.97 percent lower power consumption at a frequency equal to 1.82 MHz mW 1.12 at 0.9 V voltage supply circuit properties can confirm works as well through PSICE programs.Key words: fungal signal generator circuit, Quad, Roger belt difference pressure flow.
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