product news ♦ RF electronics
an output third-order intercept point (IP3) of typically +33 dBm to 12 GHz and typically +31 dBm to 20 GHz. For applications requiring a wide dynamic range, it can handle high input signal levels to +23 dBm with minimal distortion, and maintains a low noise figure of typically 3.5 dB through 12 GHz and typically 5.0 dB through 20 GHz. The distributed PA produces saturated output power levels of typically +28 dBm to 12 GHz and typically +25 dBm to 20 GHz.
Highly Efficient & Linear Power Amp for WiMAX CPE & Small-Cell Infrastructure Markets introduced from ANADIGICS
New AWB7221 Device Delivers High Performance for Broadband Wireless Home Connectivity and Expands the Reach of 3G and 4G Network Coverage
Responding to demand from service providers to expand the footprint of high performance wireless broadband, ANADIGICS, Inc. today introduced a new power amplifier for use in WiMAX customer premises equipment (CPE) and small cell infrastructure solutions. ANADIGICS’ AWB7221 is the most power efficient PA available for WiMAX CPEs, and also enables cost efficient femtocells for 3G and 4G networks.
The model EWH2001ZZ incorporates built-in temperature sensing circuitry to monitor device temperature under changing operating conditions. The versatile distributed PA is internally matched to 50 ohms and is unconditionally stable. It has typical input return loss of 15 dB through 12 GHz and 12 dB through 20 GHz, with typical output return loss of 14 dB through 12 GHz and 12 dB through 20 GHz. It operates with typical drain voltages of +7.5 to +8.5 VDC and typical supply current of 270 to 290 mA.
The broadband amplifier requires gate voltages of typically -0.55 and +3 VDC, which can be varied to achieve a gain-control range of about 10 dB.
Model EWH2001ZZ is supplied as a RoHS- compliant die measuring 3.12 x 1.63 x 0.1 mm. The MMIC PA is rated for storage temperatures from -65 to +150°C. It is 100% DC and RF tested and visually inspected to MIL-STD-883, Method 2010 requirements. For more information on the model EWH2001ZZ GaAs MMIC distributed PA, and to download datasheets on this amplifier or any of the company’s other MMIC and module products, visit
www.endwave.com.
The high linear transmit power of the AWB7221 enables CPEs with a powerful uplink that supports wide, high data rate network coverage. The device’s excellent power efficiency reduces the overall power consumption of a CPE or femtocell, leading to a reduction in system cooling requirements and less costly designs. The AWB7221 PA enhances network performance in key global WiMAX markets such as North America, Japan and Korea, and also supports new LTE or TD-LTE networks in the 2.30 GHz to 2.70 GHz frequency bands.
“A growing consumer appetite for enhanced wireless broadband applications is creating more demand for customer premises and small cell infrastructure equipment that delivers faster data speeds over greater distances,” said Joe Cozzarelli, Senior Director, Broadband RF Product Line, ANADIGICS. “Our AWB7221 PA provides a practical and effective way for service providers to answer this demand, and to continue to roll out 4G to a broader market.”
WiMAX CPEs provide an alternative to DSL and cable modems, and also play a key role in the transition to 4G, by offering consumers high speed wireless connectivity for their homes, shops or businesses. According to industry organization
November/December 2010
www.compoundsemiconductor.net 201
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