FM1246 Overview
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).
FM1246 Key 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