MC44864 circuit equivalent, pll tuning circuit.
and function of the internal blocks is given below. Automatic Tuner Alignment The circuit generates the tuning voltage through the PLL. The output voltages of the D/A con.
This device contains a PLL section and a DAC section and is MCU controlled through an I2C Bus. The PLL section contains.
Pin 6, 7, 8 9 10, 11 12, 20 13 14, 15, 16, 17 18 19 1 2 3 4 5 Symbol DA1, DA2, DA3 VCC1 HF1, HF2 Gnd CA B1, B3, B5, B7 SCL SDA XTAL PHO Amp In VCC2 VTUN D/A output control voltages Positive supply of the circuit (except DACs) HF input from local osci.
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