Description
The CXA3185/3186N is a monolithic TV tuner IC which integrates local oscillator and mixer circuits for VHF band, local oscillator and mixer circuits for UHF band, an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner.

Features
• Low noise figure
• Low power consumption (5 V, 54 mA typ.)
• On-chip tuning PLL (3-wire bus format)
• Selection of frequency steps 31.25 kHz, 50 kHz and 62.5 kHz
• On-chip 4-output band switch

Applications
• TV tuners
• VCR tuners
• CATV tuners