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Dallas single-chip oscillator reduces EMI to 20dB

Posted: 04 Jul 2003 ?? ?Print Version ?Bookmark and Share

Keywords:dallas semiconductor? ds1087l? econoscillator? oscillator?

Dallas Semiconductor has introduced the DS1087L spread-spectrum EconOscillator, which is claimed by the company as the world's only 3V single-chip oscillator that requires no programming.

The clock generator produces a spread-spectrum square-wave fixed output of 260kHz to 133MHz, and can replace crystal or crystal/oscillator to reduce radiated-emission peaks up to 20dB by dithering the output frequency 2 percent or 4 percent below the operating frequency.

Available in a 3V version, the DS1087L has a power-down mode and an output-enable control for power-sensitive applications, and comes in an 8-pin microSOP that is pin- and layout-compatible with previous and future EconOscillators. Prices start at 75 cents (1000-up).

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