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Cable Modem Amp Delivers 64 dBmV From 5V Supply

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Operating on a 5V supply, the MAX3505 cable-modem upstream amplifier promises DOCSIS and EuroDOCSIS performance at 64 dBmV output power into 75_. At this power level, second- and third-harmonic distortion performance is -55 dBc typical. The device includes all power-down modes necessary to complete cable upstream transmission when combined with a modulator IC and an output transformer. Available in a 5 mm x 5 mm, 20-pin QFN package, price starts at $1.98 each/10,000. MAXIM INTEGRATED PRODUCTS, Sunnyvale, CA. (800) 998-8800.

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