8V19N490B Overview
The 8V19N490B is a fully integrated FemtoClock® NG jitter attenuator and clock synthesizer designed as a high-performance clock solution for conditioning and frequency/phase management of wireless base station radio equipment boards. The device is optimized to deliver excellent phase noise performance as required in GSM, WCDMA, LTE, and LTE-A radio board implementations. The device supports JESD204B subclass 0 and 1...
8V19N490B Key Features
- High-performance clock RF-PLL with support for JESD204B
- Optimized for low-phase noise: -150dBc/Hz (800kHz offset
- Integrated phase noise of 80fs RMS typical (12kHz to 20MHz)
- Dual-PLL architecture
- First PLL stage with external VCXO for clock jitter attenuation
- Second PLL with internal FemtoClock NG PLL: 2949.12MHz
- Four JESD204B channels (device clock and SYSREF output) with two, four and six outputs
- One clock channel with two outputs
- One VCXO output
- Configurable integer clock frequency dividers