Posted on Apr 14, 2012

The power bandwidth of the HA-5147 extends the circuit`s frequency range to approximately 500 kHz. R, can be made adjustable to vary the frequency ifdesired. Any timing errors because of Vas or hu., have been minimized by the precision characteristics of the HA-5147. Dl and D2, if used, should be matched to prevent additional timing errors.

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These clamping diodes can be omitted by tying R, and positive feedback resistor R1 directly to the output.

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