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Low Noise Oscillators
Telecommunications Aerospace
Capital Equipment Medical Equipment
Consumer Electronics
EMC81057 SMT Clock Oscillator is a direct replacement 3.3V or 5V oscillator, plug compatible to standard 5x7 mm ceramic SMT packages. 8 to 128 MHz.  

Low Noise EMI Spread Spectrum "LOW COST"
EMC81057 Clock Oscillator


The EMC81057 Clock Oscillator is an advanced spread spectrum modulator with a standard TTL or CMOS compatible output that meets clock requirements of all major CISC, RISC, and DSP processors. It provides a modulated clock source that reduces electromagnetic emissions and associated harmonics at the source. The EMC81057 is a direct replacement for 3.3V or 5V crystal oscillators and is plug compatible to standard 5 X 7 mm ceramic Surface Mount packages. It is available in a wide range of Selectable Output Frequencies (8 to 128 Mhz).

The EMC81057 can reduce emissions up to 20 dB. Compliance with international regulations can be obtained with EMC81057 during pre-production and chamber testing, effectively eliminating multiple designs and testing cycles.

• Accelerate compliance approvals.

• Reduce engineering and compliance costs.

• Improve market launch schedules.


The EMC81057 Clock Oscillator is designed for installations into electronic equipment required to meet FCC or European EMC Directives and is particularly appropriate for applications in:

• Telecommunications

• Capital Equipment

• Consumer Electronics, Printers

• Aerospace

• Medical Equipment

Equipment previously classified as non-complying can be retrofitted at the compliance test lab or in the field with the EMC81057 Clock Oscillator. Once upgraded, this same equipment can be shipped into any country requiring compliance.

Output Data
Standard Oscillator compared to EMC Low Noise Oscillator

Mechanical Dimensions

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