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Mini AGC5 IR receivers suit remote control

Posted: 02 Dec 2010 ?? ?Print Version ?Bookmark and Share

Keywords:IR? receivers? automatic gain control? remote control?

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Vishay Intertechnology Offers Complete Family of IR receivers Optimized for Extremely Noisy Environments and Short Burst Codes: the AGC5

Devices Offer a 2.5 V to 5.5 V Supply Voltage Range, Low Power Consumption of 0.35 mA, and Minimum Irradiance to 0.15 mW per Square Meter in All IR Receiver Packages

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Vishay Intertechnology Inc. said that the company's optoelectronics portfolio now includes a complete family of miniaturized automatic gain control category 5 (AGC5) IR receivers for remote control systems. Vishay's AGC5 devices are suitable for codes with short bursts and offer excellent noise suppression, resulting in the best receiving distance under noise.

Vishay's AGC5 devices are immune to dimmed LCD backlighting, noise from plasma screens, and any fluorescent lamps, leading sources of environmental optical noise severely impacting the performance of IR systems.

With an improved immunity against ambient light and insensitivity to supply voltage ripple and noise, the IR receivers are optimized for remote control applications in industrial and consumer applications, including STBs, LCD TVs, and DVD players, in which a robust transmission range and a clean signal in the presence of optical noise are extremely important.

Each receiver includes a photo detector and preamplifier circuit, mounted within an epoxy-encapsulated module that acts as an IR filter. The AGC5 receivers are specified for operation from 2.5 V to 5.5 V with a minimum irradiance of 0.1 to 0.15 mW per square meter, depending on the package. This translates to a transmission range of 45 meters in dark ambients for most standard remote controls. The modules feature a carrier frequency range from 30 kHz to 56 kHz, offer a low 0.35 mA supply current, and comply with RoHS 2002/95/EC and WEEE 2002/96/EC.

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