Description

The CL9904A18L5M is a voltage controlled crystal oscillator (VCXO) in the SU-X36CXXX Series. This VCXO provides high frequency with PECL/LVPECL complementary outputs. It is designed for applications such as Fiber Channel, 10 GbE, Infiniband, Network Processors, SONET/SDH, and more. The CL9904A18L5M is known for its high reliability, low phase noise, and low jitter. It does not use any frequency multiplication, resulting in exceptional performance. The device is packaged in a miniature FR-4 based 9x14 mm SMD package.

Specifications and features

• Wide frequency range - 12.0MHz to 280.000MHz
• Fiber Channel, 10 GbE, Infiniband, Network Processors, SONET/SDH
• High reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions
• Extremely low phase noise, low jitter
• No multiplication
• SONET ±20ppm overall free-run stability available
• Absolute Pull Range (APR) to ±100 ppm
• High shock resistance, up to 1000g
• RoHS compliant, lead-free construction

Application Scenarios

The CL9904A18L5M is suitable for various applications that require high-frequency oscillators with low phase noise and low jitter. Some possible application scenarios include:

• Fiber Channel communication systems
• 10 GbE (10 gigabit Ethernet) equipment
• Infiniband networking devices
• Network processors
• SONET/SDH (Synchronous Optical Network/Synchronous Digital Hierarchy) systems

Comparison

• Wide frequency range allows flexibility in different applications
• High reliability with NEL HALT/HASS qualification
• Exceptionally low phase noise and jitter
• Stable performance without frequency multiplication
• Shock resistance up to 1000g
• Compliant with RoHS standards

• No specific disadvantages known