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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Hittite Press Release - August 8, 2011

Hittite's New High Linearity Digital Attenuator for Infrastructure Applications

--  New 6-Bit Digital Attenuator Serves IF Frequencies From 60 to 500 MHz

Click to visit the Hittite website


Hittite HMC624LFLP4E GaAs MMIC High Linearity 6-Bit Digital AttenuatorChelmsford, MA, August 8, 2011 - Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets, has introduced a new 6-bit GaAs MMIC Digital Attenuator which is ideal for Intermediate Frequency (IF) applications in automotive, broadband, cellular/3G, LTE/4G, test & measurement equipment and military applications.

The HMC624LFLP4E is a GaAs MMIC High Linearity 6-Bit Digital Attenuator which operates from 60 to 500 MHz, and can be programmed to provide from 0.5 to 31.5 dB of relative attenuation with 0.5 dB resolution. The HMC624LFLP4E exhibits low insertion loss of 1.2 dB, high input IP3 of +55 dBm, and outstanding accuracy of 0.1 dB step error. The dual mode control interface is CMOS/TTL compatible, and accepts either a three-wire serial input or a 6 bit parallel word with either 0/+3V or 0/+5V logic for added flexibility. The HMC624LFLP4E also features user selectable power up states and a serial output for cascading other Hittite serially controlled components.

Hittite HMC624LFLP4E Block DiagramThe HMC624LFLP4E is housed in a RoHS compliant 4 x 4 mm QFN leadless package, and requires no external matching components. The HMC624LFLP4E complements Hittite's broad line of MMIC analog and digital attenuators which are available in die, SMT and module formats, and serve IF and RF applications to 40 GHz.

Samples and evaluation PC boards for all SMT packaged products are available from stock and can be ordered via the company's e-commerce site or via direct purchase order. Released data sheets are available on-line at www.hittite.com.









Contact
Beth McGreevy
MarCom Manager
mcgreevy@hittite.com
Hittite Microwave Corporation
20 Alpha Road
Chelmsford, MA 01824
Phone: 978-250-3343
FFax: 978-250-3373
sales@hittite.com www.hittite.com







Posted  8/9/2011
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