There is nothing much to say about the unboxing. It is a paper box, two micro data cables and a development board. There is a voice broadcast when it is powered on. The screen is quite beautiful.My co
I would like to ask about the USB flash drive recognition problem under vxworks system. The phenomenon is as follows: 1.512M Netac USB flash drive can be recognized and can read and write to the USB f
At present, our company has developed a set of ARM test boards, using the Philips LPC2138 CPU. The H-JTAG pins are connected correctly to the CPU. A few days ago, the CPU could be detected and program
By Heinz-Peter Beckemeyer, Texas InstrumentsDirect up-conversion is the most cost-effective solution to achieve the transmitter architecture and is the most important specification in base station des
Has anyone studied the output waveform of a crystal oscillator? I powered on the crystal oscillator directly and used an oscilloscope to check the output amplitude. The result is a positive and negati