FM1246

TUNERS DATA SHEET FM1246 Desktop video & FM radio module system CCIR I Preliminary specification File under Tuners, DC03 1997 May 14 Philips Components Preliminary specification Desktop video & FM radio module system CCIR I FEATURES System I and FM radio broadcast True 5 V device (low power dissipation) Full TV frequency range from channel A (45.75 MHz) to channel 69 (855.25 MHz) FM radio band coverage from 87.50 to 108.00 MHz PLL controlled tuning Programmable PLL step size (31.25, 50 or 62.5 kHz) True-synchronous vision IF demodulator (PLL) Ultra-linear FM PLL demodulator for FM radio broadcast Demodulated video output, AF sound output, second sound IF output I2C-bus control of tuning, address selection, AFC status information Complies with European regulations on radiation, signal handling and immunity “CENELEC 55020, 55013’’ Small horizontally mounted metal housing. DESCRIPTION The FM1246 front-end is designed to receive both TV and FM stereo signals in the PC Multimedia environment. The units are available with separate 75 Ω inputs for TV and FM broadcast reception. The input connectors available are either standard phono or IEC type (female for TV, male for FM radio). The tuning, bandswitching and antenna selection are made through the I2C-bus. The front-end covers the TV bands from 45.75 MHz to 855.25 MHz. The FM band covers the standard 87.50 MHz to 108.00 MHz. An RDS decoder can be connected to the AF-MPX output. The FM1246 meets the input ...