MB88151A Datasheet, PDF (1/4 Pages) Fujitsu Component Limited. – Spread Spectrum Clock Generator

The Fujitsu Spread Spectrum Clock Generator
EMI
Capacitor
EMI
Shield parts
EMI
EMI
EMI
ASIC
CPU, etc.
Less parts = Less cost
BUS
Memory
Ferrite bead,
Choke coil
EMI
EMI
ASIC
CPU, etc.
SSCG
BUS
Memory
EMI
Description
Electromagnetic interference (EMI), which is due to
electromagnetic radiation emitted from an external
source, is an unwanted disturbance in an electrical
circuit. In general, EMI is generated when the clock
oscillator outputs a high-frequency signal. To reduce
EMI, various components need to be added to the
board, increasing the time and resources to complete
design and measurement.
The Fujitsu Spread Spectrum Clock Generator (SSCG)
reduces radiated EMI that results from system clock
operation. It minimizes the need for other shielding
components like bypass capacitors, choke coil and
ferrite bead, resulting in system-level cost savings.
Applications
Industrial/Home Office
• FAX
• Digital copiers
• Scanners
• Printers
• Projectors
Consumer
• LCD monitors
• HDTVs
• PDAs
• Mobile phones
Networking
• Ethernet appliances
• LAN switches and hubs
• Servers