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Copyright: 1996 - 2024
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    Kirt Blattenberger,

    BSEE - KB3UON

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 - November 4, 2011

Hittite's New Time-Delay/Phase Shifter Delivers 500° over 8-23 GHz

--  Ideal for Fiber Optic Clock & LO Synchronization Applications

Click to visit the Hittite website

Chelmsford, MA, 11/4/2011 - Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets announces the release of the HMC877LC3 8 to 23 GHz Time Delay/Phase Shifter. The HMC877LC3 is ideal for clock chain and skew adjustment in 10G-RZ, 40G/100G RZ-DQPSK fiber optic applications.

The HMC877LC3 is the first Time Delay/Phase Shifter product in the market to provide up to 1.4 UI (500°) continuously adjustable delay over a wide 8 to 23 GHz frequency range, while maintaining a constant differential output voltage. The device accepts either single-ended or differential input signals, while providing a 500 to 900 mVp-p programmable differential output swing.

THMC877LC3 8 to 23 GHz Time Delay/Phase Shifterhe HMC877LC3 provides a time delay/phase shift which is linearly monotonic with respect to the differential delay control voltage, over a ±0.6V tuning range. On chip compensation circuitry ensures an extremely stable programmable time delay over both frequency and temperature. A high delay control modulation bandwidth (3 dB rolloff point) of 2.5 GHz combined with single +3.3V operation also make the HMC877LC3  ideal for phase modulation in military & space, test & measurement and broadband applications.

HMC877LC3 block diagramThe HMC877LC3 complements many of Hittite's previously released limiting amplifiers, modulator drivers and high speed logic products to provide a complete solution set for fiber optic and test equipment applications. The HMC877LC3  is housed in a ceramic 3 x 3 mm SMT package (RoHS compliant), and is fully specified for operation from -40 °C to +85 °C.

 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.


About Hittite Microwave

Hittite Microwave Corporation is an innovative designer and manufacturer of high performance integrated circuits, or ICs, modules, subsystems and instrumentation for technically demanding digital, RF, microwave and millimeterwave applications covering DC to 110 GHz. The Company's standard and custom products apply analog, digital and mixed-signal semiconductor technologies, which are used in a wide variety of wireless / wired communication and sensor applications for Automotive, Broadband, Cellular Infrastructure, Fiber Optics & Networking, Microwave & Millimeterwave Communications, Military, Test & Measurement, and Space markets. The Company is headquartered in Chelmsford, Massachusetts.



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





Posted  11/7/2011
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