摘要: Building a Differential AmplifierAn op-amp with no feedback is already a differential amplifier, amplifying the voltage difference between the two inp...阅读全文
posted @ 2015-10-15 15:44 carprog 阅读(253) 评论(0) 编辑
摘要: Universally Compatible Wireless Power Using the Qi ProtocolWireless charging of portable electronic devices is here now. It will become ubiquitous whe...阅读全文
posted @ 2015-10-15 14:38 carprog 阅读(416) 评论(0) 编辑