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BROADCAST ELECTRONICS (BE) ANNOUNCES VECTOR POWER ENHANCEMENT (VPE) FOR INCREASING FM TRANSMITTER EFFICIENCY AND OUTPUT AT ELEVATED HD RADIO POWER LEVELS

VPe combines a new crest factor reduction scheme and real-time pre-correction circuitry

April 20th, 2010 - Broadcast Electronics (BE) introduced at the NAB show this week its new Vector Power Enhancement (VPe) technology capable of improving transmitter efficiency and output for elevated HD Radio sideband power levels. BE's VPe technology combines a new crest factor reduction scheme and real-time distortion pre-correction to yield up to seven percent additional transmitter efficiency and another 30 percent output power. With this new technology, BE FMi tube and solid state transmitters for HD Radio will realize optimum linear performance affecting their power class rating, thereby reducing hardware cost, heat loss and overall cost of HD Radio adoption at higher -14 dBc or -10 dBc injection levels. "Months of laboratory testing has shown us that VPe can provide a very cost-effective way to increase the transmitter efficiency at the higher IBOC injection levels while also maintaining the transmitter linearity required of digital broadcasts," says BE’s Vice President of Engineering Brian Lindemann. VPe uses a proprietary crest factor reduction scheme to reduce the peak-to-average ratio, and thereby increase transmitter performance. It also uses digital adaptive pre-distortion circuitry to pre-correct non-linear distortion in the RF transmission signal path. VPe is expected to be available for BE's FMi T Series and FMi solid-state transmitter lines in the next six months, pending final testing and review by iBiquity Digital. BE manufactures a full line of HD Radio products. The company offers turnkey studio and transmitter systems for HD Radio, FM and AM, representing 50 years of radio innovation as one of the largest radio-only broadcast equipment manufacturers in the world.

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ABOUT BROADCAST ELECTRONICS Broadcast Electronics™ (BE) is the premier provider of mission-critical solutions for over-the-air and Internet radio. Our products encompass program generation, audio and data management, interfacility transport, and analog and digital transmission. For more than four decades, our pioneering developments have set industry standards for innovation and reliability, while providing broadcasters with new options for operational productivity and income generation. BE is headquartered in Quincy, Illinois and is represented worldwide by our network of local representatives.