U2305B
VHF/ UHF-Tuner-IC
Description
This tuner IC requires a power supply of 5 V and performs the function of three separate oscillators an mixers, SAWF-driver, L.
O.
-output and tri-state band switch.
This tuner IC is decigned for high performance tuners for TV, VCR and PCs.
Features
D 5 V supply voltage D Frequency range from 48 to 860 MHz D Band A: balanced high impedance mixer input and amplitude controlled oscillator D Band B + C: balanced low impedance mixer input and symmetrical oscillator D Balanced L.
O.
-outputs for prescalers or PLL D SAW filter driver with low impedance output D Voltage
regulator for stable operating characteristics D ESD protection on all pins except oscillator p...