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[原创] Cypress CY29430可编PLL晶体振荡器解决方案

关键词:通信设备 PLL振荡器 OTN SONET/SDH xDSL GbE

时间:2017-03-03 13:01:59       作者:Cypress       来源:中电网

Cypress公司的CY29430是可编PLL晶体振荡器解决方案,输出频率可在15MHz和2.1GHz间灵活选择,工作电压1.8V-3.3V,工作温度–40 °C到105 °C,主要用在通信领域如OTN, SONET/SDH, xDSL, GbE,网络,无线基础设备以及测试测量,高速数据转换.本文介绍了CY29430主要特性, 逻辑框图以及评估板CY3677主要特性,框图,电路图与材料清单.

The CY29430 is a Programmable PLL based crystal oscillator solution with flexible output frequency options. It is field and factory programmable for any output frequency between 15 MHz and 2.1 GHz. Four frequencies are independently programmable on the differential output with the frequency select (FS) pins.

Additionally, other frequency options can be configured with the I2C interface. Using advanced design technology, it provides excellent jitter performance across the entire output frequency range working reliably at supply voltages from 1.8 V to 3.3 V for ambient temperatures from –40 °C to +105 °C. This makes it ideally suited for communications applications (for example, OTN, SONET/SDH, xDSL, GbE, Networking, Wireless Infrastructure), test and instrumentation applications, and high speed data converters. Additionally, the VCXO function enables the use of CY29430 in applications requiring a clock ..

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