RFMD's Programmable-Gain Upstream CATV Amplifier Consumes only 143mA

(Product News, 23 May 2008)

RF Micro Devices has launched S518324-44Z, a programmable-gain upstream power amplifier designed for cable applications including digital cable-ready televisions, set-top boxes and digital video recorders (DVRs) as well as DOCSIS(R) 2.0 compliant cable modems. The S518324-44Z enables cable operators to serve the rapidly growing consumer demand for interactive services and increased upstream data rates.

The S518324-44Z consumes only 143mA, thereby reducing the cable device's thermal profile and satisfying stringent OEM requirements for thermal management. The S518324-44Z also features a 63db dynamic range with an ultra-fine 0.5dB gain step resolution. Finally, the S518324-44Z exceeds the DOCSIS 2.0 specification, providing cable set-top box and modem designers with significant headroom for improving performance over current generation solutions.

Other technical features of the S518324-44Z include:
- Single 3.3V supply operation
- Operating frequency range of 5MHz to 65MHz
- Low harmonics of -60dBc typical at 60dBmV
- 3-wire serial interface for dynamic range control
- DOCSIS 2.0 and EuroDOCSIS 2.0 compliance

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