Clock jitter cleaner family claims industry's lowest phase noise
March 21, 2011 // Paul Buckley
National Semiconductor has introduced a new family of clock jitter cleaners that claim to feature the industryís lowest phase noise and rms jitter performance: 111 fs from 12 kHz to 20 MHz, and a wideband noise floor of -162 dBc/Hz at 184 MHz output frequency. The level of phase noise enhances the performance of systems used in wireless and wired communications, test and measurement, medical imaging, software defined radio (SDR) and digital broadcast applications, while reducing overall bill of materials (BOM) cost.
The LMK04800 family comprises of four ICs including the LMK04808, LMK04806, LMK04805 and LMK04803, and is optimized for generating different frequencies up to 1.5 GHz for clocking ADCs, DACs, SerDes and FPGAs. With integrated features such as holdover, switchover, multiple inputs, digital delay, analogue delay, odd/even dividers and 12 programmable output format drivers, the LMK04800 ICs are highly flexible and configurable to support a variety of different architectures – all while reducing the number of components and design effort traditionally required to implement these functions.
The combination of performance and functional integration reduces clock architecture complexity and provides design engineers with multiple options to trade-off system performance, component count and cost. The LMK04800 clock jitter cleaners combine with National's high-speed op amps and ADCs (LMH6554, LMH6517, ADC12D1600, ADC12D1000, and ADC16DV160) to provide a complete signal-path system solution.
Availability and Pricing
Supplied in 64-pin LLP packages, the LMK04808, LMK04806, LMK04805 and LMK04803 are available now and priced at $9.15 each in 1,000-unit quantities.
More information about LMK04800 family of clock jitter cleaners at www.national.com/pf/LM/LMK04800.html
Biodegradable electronics debut
July 03, 2015
Today our landfills are being overrun by discarded electronic devices fabricated on silicon substrates that do not biodegrade ...
Power magnetics Lab Kit enters education
Automotive software design: new challenges through multiprocessing
Ultrasound sensor protects pedestrians
Dielectric material helps keep LED packages much cooler
PowerChip plans Chinese fab for display, sensor ICs
July 02, 2015
A former DRAM vendor, now foundry, is joining a trend towards supporting manufacturing in China, according to local reports. ...
XeThru Bot simulates breathing for sensor testing: built from Lego
Sony to raise $3.6bn to speed reinvention as component company
Startup's tech is Intel's Quark neural network
- Critical Requirements in High Speed Signal Generation Applications
- The 400XAC Series: Two Major Advantages that Simplify Functional Testing
- A Smart Way to Drive ECU Consolidation
- Autonomous Driving: An Eye on the Road Ahead
InterviewCEO interview: Cadence is about enablement, collaboration
EDA companies are being asked to provide expertise from the circuit- to the system-level observes Lip-Bu Tan, CEO of EDA software vendor Cadence Design Systems Inc. Covering such a breadth of endeavour ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Novelda is giving away two full XeThru Inspiration kits worth 1499 US Dollars each, for EETimes Europe's readers to experiment first hand with its XeThru technology.Based on the use of radio waves, rather than infrared, ultrasound or light, the company's X2M1000 Inspiration modules can detect presence just from the chest movement while breathing, and measure both the rate and... MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.