ELECTRONICS: Crystek’s CPLL58-3900-4300 PLL/Synthesizer operates from 3,900 to 4,300 MHz with a typical step size of 2,500 KHz. Engineered and manufactured in the U.S., it is housed in a compact 0.582 x 0.8 x 0.15-inch SMD package, which saves board space. Crystek’s PLL/Synthesizer construction essentially wraps a VCO around a PLL in a package that’s only marginally larger than a VCO on its own, and significantly smaller than separate VCO/PLL modules. The CPLL58-3900-4300 needs only an external frequency reference and supply voltages for the internal PLL (phase lock loop) and VCO (voltage controlled oscillator), and is programmed using a standard three line interface (Data, Clock and Load Enable). Typical phase noise for the CPLL58-3900-4300 is -95 dBc/Hz at 10 KHz offset with minimum output power of 3 dBm. VCO voltage is 5V dc; PLL voltage is 3V dc. Second harmonic suppression is -15 dBc typical. It is ideal for use in telecommunications, computers, radio equipment, base stations and other electronic applications.
Engineers throughout the US are in the midst of celebrating Engineers Week. But the celebration extends beyond the country’s borders, and even beyond the Earth itself; the crew of the International Space Station joined the festivities, too!
Many engineering professionals have come to view CAD as something of a commodity, not an area where much innovation can be expected. CAD tools continue to get better, however, with software delivering powerful capabilities for the evolving product design process.
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