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RF amp meets emerging GPON market demands

Posted: 29 Feb 2008     Print Version  Bookmark and Share

Keywords:GPON  FTTH  RF amplifier 

Anadigics Inc. has unveiled the ACA2604 RF amplifier for fibre-to-the-home (FTTH) applications that offers improved frequency flatness over temperature as required for domestic U.S. telco gigabit passive optical network (GPON) deployments.

Based on the ACA2601, the ACA2604 contains an integrated AGC circuit. While competing products require an additional external circuit to implement AGC, using the ACA2604 will lower BOM costs by eliminating many discrete components. In addition, the new amplifier features a higher overall gain than the ACA2601, specifically 24dB vs. 21dB. This reduces the need for post amplification in the ONT/ONU or similar subscriber end equipment.

The ACA2604 also features 50- to 870MHz operating frequency and high linearity of 65dBc CTB/CSO (79 channels). The amplifier provides low equivalent input noise: 4.5pA/rtHz and 400Ω differential input impedance.

"Anadigics' specifically designed the ACA2604 amplifier to meet the ITU's stringent requirements for the higher electrical signaling demands of the emerging GPON market," said Ron Michels, senior VP and general manager, broadband business at Anadigics. "The amplifier's exceptional linearity and output power ensure optimal video performance for next generation digital TV content delivery systems. Many of our customers are already specifying the exact capabilities of the ACA2604 in their reference designs for optical assemblies."

The ACA2604 is packed in a 5-by-5-by-1mm RoHS compliant surface mount package. General availability of the ACA2604 amplifier is scheduled for Q1 08.

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