For significantly reduced noise levels, Fox Electronics is now offering HCMOS XpressO oscillators with 2.5 volt operation. Featuring a third order delta-sigma modulator (DSM), the new oscillators are comparable to traditional bulk quartz and surface acoustic wave (SAW) oscillators at a lower cost, said Fox..
The noise-reducing DSM technology, combined with the series' low noise architecture, enables the oscillators to offer significantly lower levels of jitter and phase noise, making them suitable for applications including SONET, Ethernet, storage area network, broadband access, microprocessors/DSP/FPGA, industrial controllers, test and measurement equipment, fibre channel, wireless such as Bluetooth and WiMAX and portable products that require low power usage.
The new oscillators operate at the same voltage as the silicon chips to which they are providing timing, resulting in less current and heat generation. Other features include a frequency range of 0.750 MHz to 180.000 MHz, stabilities as tight as ±20 ppm and a frequency resolution to six decimal places. The oscillators offer operating temperatures of –20 °C to +70 °C (-4°F to +158°F) or –40 °C to +85°C (-40°F to +185°F). The RoHS-compliant series has a gold over nickel termination finish and features industry-standard packaging of 5.0 mm x 3.2 mm and 7.0 mm x 5.0 mm including footprint and pin-out.
Pricing for XpressO HCMOS versions will vary depending on the output, frequency and stability needed. A 2.5 V, ±50 ppm, HCMOS, 27 MHz oscillator costs $0.46 each in quantities of 50,000.
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