ACA2601 Datasheet | ANADIGICS

Fiber-to-the-Home RF Amplifier PRELIMINARY DATA SHEET - Rev 1.4 Features - - - - - 50 - 870 MHz Operating Frequency High Linearity: 65 d Bc CTB/CSO (79 Chan.) Low Equivalent Input Noise: 4.5 p A/rt Hz 20 d B Gain Adjust 400 Ω Differential Input Impedance: No Transformer Required for Interface to Photodiode Single +5 V Supply 5 mm x 5 mm x 1 mm Surface Mount Package Ro HS pliant Package - - - APPLICATIONS - FTTH RF Amplifier Used in Conjunction With Triplexer in Fiber-Coax Line Terminals S29 Package 28 Pin QFN 5 mm x 5 mm x 1 mm PRODUCT DESCRIPTION The ANADIGICS ACA2601 amplifier for Fiber-to-the Home (FTTH) applications is intended to be used in conjunction with the triplexer in fiber-coax line terminals. The device is driven by, and amplifies the output of, the video downstream path photodiode. .. The high-impedance input of the ACA2601 maintain low CTB and CSO levels in full-bandwidth (132 channel) systems, even across a wide gain adjustment range. The ACA2601 is manufactured using ANADIGICS’s proven MESFET technology that offers state-of-theart reliability, temperature stability and ruggedness. The device operates from a single +5V supply and is offered in a 5 mm x 5 mm x 1 mm surface mount package. eliminates the need for a costly transformer usually needed to interface to the photodiode, and a low equivalent input noise level offers excellent sensitivity. The device provides sufficient linearity to Supply Attenuator Control Matching Circuit Voltage Controlled Attenuator Output Amplifier 1:1 Transmission Line Balun RF Output Figure 1: Application Block Diagram 01/2006 VCC_AGC VCC_IN1 GND GND 22 VAGC NC RFIN1 NC GND NC RFIN2 NC 1 2 3 4 5 6 7 10 11 12 13 14 8 9 21 20 19 18 17 16 15 VCC_OUT1 RFOUT1 GND GND GND RFOUT2 VCC_OUT2 VCC_IN2...