ISM射頻產品的晶體頻率計算
Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) products use crystal oscillators to generate areference for the phase-l...
Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) products use crystal oscillators to generate areference for the phase-l...
Abstract: Alexander Graham Bell patented twisted pair wires in 1881. We still use them today because they work so well. In addition we have the adva...
Abstract: This reference design provides a complete demonstration platform for using industrial/scientific/medical radio frequency...
Abstract: Impedance mismatches in a radio-frequency (RF) electrical transmission line cause power loss andreflected energy. Voltage standing wave ra...
介紹一種簡單射頻識別系統設計。該設計包括閱讀器、應答器和線圈3部分。由單片機控制閱讀器向應答器發射無線信號,并接收應答器回送的信號,再通過分析回送信號識別物品。閱讀器和應答器之間以半雙工通信方式通信。 Abstract: A simple design of radio frequ...