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Post Amplifiers with Twice the Signal Gain of Previous Offerings

Tue, 12/18/2007 - 7:13am

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CML limiting post amplifiers with 2x signal gainMicrel's SY88343HL and SY88289HL high-sensitivity, low-power CML limiting post amplifiers are designed with twice the signal gain of the company's previously announced SY88343DL and SY88289CL. These products are targeted at applications using low-cost transimpedance amplifiers and/or low gain PIN diodes which occur in a variety of data and telecom markets including PON, Gigabit Ethernet, SFP/SFF optical transceivers, 1X and 2X Fiber Channel, and SONET/SDH: OC3/12/24/48 – STM 1/4/8/16 data rates. Both devices are currently in volume production with pricing for 1K quantities starting at $2.49.  In fiber optic modules, the devices connect to typical trans-impedance amplifiers (TIAs).  The linear signal output from TIAs can contain significant amounts of noise and may vary in amplitude over time.  The SY88289HL and SY88343HL quantize signals and output them in low noise CML-level waveforms. The SY88343HL and SY88289HL feature high input sensitivity and can amplify input signals as small as 4 mVpp to drive CML/PECL devices.   

Micrel Semiconductor
408-944-0800, www.micrel.com

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