采用TDA7012T集成电路的FM收音机是非常简单的，并且具有良好的灵敏度和选择性。单芯片TDA7012T需要一些额外的外围元件组成调频接收器。
零件清单
R1 =8.2kΩ
R2 =10kΩ
R3 =390Ω
C1，C3 = 10nF
C2，C6，C9，C16 = 100nF
C4 = 33pF
C5 =25pF微调
C7，C10 = 1.5nF
C8 = 820PF
C11 = 1nF
C12 = 68pF
C13 = 220PF
C14 =47μF10V
C15 = 3.3nF
L1 = 36nH
L2 =1μH
IC1 = TDA7021T
畅学电子
