U4468B ATMEL Corporation, U4468B Datasheet - Page 8

• Manufacturer Part Number: U4468B
• Description: Quasi-split Sound Circuit And Am Demodulator Ic
• Manufacturer: ATMEL Corporation

Internal Pin Configuration
8
U4468B
Figure 4. Sound IF Inputs (Pins 1 and 2)
Figure 5. AGC Time Constant (Pin 3)
Figure 6. Internal Reference Voltage (Pin 4)
Figure 7. Loop Filter (Pin 5)
2
1
3
5
2 kΩ
4
4.25 V
10 kΩ
2 kΩ
3.5 V
2.75 V
10 kΩ
2.3 V
4777A–TVVCR–01/04