1Create carrier:諧振器,如433.92Mhz LC諧振 (頻偏控制)
2Add data to carrier 加載數據
3Amplify to broadcast :放大器,如NPN三極管射級電路
baseband processor:把信息數字化-變成二進制(編程定義)
modulator:調制電路
Antenna:標準天線
-----------------------------------------------------------
?The simplest radio receiver we can make is called a homodyne receiver。
--------------------------------------------------
superheterodyne receiver
解調模塊