[Huajing Bipolar Circuit]

Overview and Features
CD1691CB is a single-chip FM/AM radio integrated circuit with high integration and few peripheral components. Its characteristics are as follows : 

● Low quiescent current FM ICCQ= 5.3 mA AM ICCQ=3.4 mA typical value at VCC = 3V
● With FM/AM selector switch
● High output power PO= 450 mW typ. at VCC = 6V RL= 8
● Built-in AFC variable capacitor
● Contains RF AGC IF AGC
● Tuning LED Drivers
● Electronic volume control FM mute
● Package SOP28