Amplifier circuit is also very suitable when used in fm radio receiver. Supply voltage required 8 - 25 Volt DC with a maximum output power 0.15W.See Schematic below. Part List R1 = 100R C1 = 1nF C2 = 4.7uF C3 = 10uF C4 = 100uF C5 = 47uF C6 = 4.7nF U1 = TA7066