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Atmel Institutes New AM/FM Antenna

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Written by Subhasis Chatterjee   
Thursday, 14 June 2007

Atmel® Corporation the renowned organization in the designing and manufacturing of microcontrollers and advanced logic announced here today of the ample availability of the highly integrated AM/FM antenna amplifier IC ATR4251, bent on enabling the stupendous AM/FM car-radio reception while being used with designer antennas, such as windshield, roof, or bumper antennas. It has also been proclaimed by the Company, that the blockage matching amplifier of ATR4251 make it easier regarding the compensation for signal losses that generally effect from the smaller dimensions of modern antennas and the longer cables to the car radio in addition.

 

Atmel, founded in 1984, is a renowned leader in the design and manufacture of microcontrollers, advanced logic, mixed-signal, nonvolatile memory and radio frequency (RF) components. The company through influencing one of the industry's broadest intellectual property (IP) technology portfolios, has been able to provide the electronics industry with complete system solutions. It is recorded as one of the minority elite new companies who are capable of incorporating dense nonvolatile memory, logic and analog functions on a single chip. The Atmel chips are manufactured through the usage of the most advanced wafer processes that includes BiCMOS, CMOS and Silicon Germanium (SiGe) technologies. It is also found to be concentrating on consumer, industrial, security, communications, computing and automotive markets.

While going through series of appointments with key persons of the Atmel® Corporation it has been understood that the ATR4251 IC is exceedingly proficient in enabling crystal-clear reception without distortion even under the most difficult and also rapidly fluctuating field strength conditions. They have confirmed that these are typically and frequently prominent in moving antenna systems due to its highly dynamic AM and FM range.   In addition, the high reception quality obtainable in the devices is due to the balance of an AM gain value of up to 35 dB, a large-signal behavior both in AM and FM mode like the IP3 148 dBuV in FM, and a good noise behavior, optimized for antenna applications. There is also a separate low noise amplifier (LNA) for FM and a buffer amplifier for AM that are used to concentrate on the different operating frequencies and requirements of both AM and FM. While the AM amplifier go across the entire broadcasting frequency range from 150 kHz up to 30 MHz together with the most modern DRM systems, the FM LNA deals with the frequency range from 70 MHz to 166 MHz, also consisting of a weather band and HD Radio in the US.

Speaking on the occasion Carsten Friedrich, the Marketing Manager Broadcast Radio at Atmel said, "Car radio antennas are increasingly seen as an intrinsic element of car design. The ATR4251, without compromising on reception performance of car radios, directly addresses this challenging antenna design trend."

 

 
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