Electronic Design

110 V LED Controller Has Spread Spectrum Frequency Modulation

The LT3795 from Linear Te chnology is a 110 V, high-side current sense DC/DC converter designed to regulate a current or voltage to a constant value, ideal for driving high brightness (HB) LEDs. Its 4 ...
EDN

Spread-spectrum clock source uses active CMOS circuitry, replaces crystal, PLL

Sunnyvale, Calif—Using patented CMOS Harmonic Oscillator (CHO) technology, a frequency/clock source from Mobius Microsystems Inc. provides accurate, stable clocking with spread-spectrum capability, in ...
EDN

Spread-Spectrum Clock Generator with VCXO

The BU3087FV is a Spread-Spectrum Clock Generator with a built-in VCXO, a device necessary for Digital TV signal reception. Connecting a 27 MHz crystal oscillator generates clock signals up to 74.25 ...
Electronic Design

Spread-Spectrum DC-DC Converter Combats EMI

Electromagnetic radiation (called electromagnetic interference or EMI when unwanted) is emitted by almost all electronic systems, including switching regulators. The conventional approach to ...
Semiconductor Engineering

Air-Gap Covert Channel Attack On Spread Spectrum Modulated Clocks (IETR, Lab-STICC)

A new technical paper titled “Clock-to-Clock Modulation Covert Channel” was published by researchers at University of Rennes-INSA Rennes-IETR-UMR and University of South Brittany/Lab-STICC- UMR CNRS. ...