Crystal Filter Yields Pure Sine Waves


Posted on Aug 6, 2012

Electronic applications such as distortion and communications measurements require pure (distortionless) sine waves as input test signals. Distortion contained in test signals causes two problems. First, the test signal distortion content must be calibrated so it can be subtracted out of the measurement. Second, processing a distorted test signal usually creates unique harmonics which cause false readings because they cant be calibrated out.






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