DESCRIPTION

The FM1236 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 F type. The tuning, bandswitching and antenna selection are made through the I2C bus.

FEATURES

• System M and N, and FM radio broadcast

• True 5 V device (low power dissipation)

• Full frequency range from channel 2 (55.25 MHz) to channel 69 (801.25 MHz)

• FM band coverage from 76.0 MHz to 108.0 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 broadcast

• Demodulated video output, AF sound output, second sound IF output

• I2C-bus control of tuning, address selection, AFC status information

• Complies with FCC, DOC and JIS regulations on radiation

• Small horizontally mounted metal housing.