The first part of this article details the key technologies of Bluetooth radio frequency, baseband and protocol. The content covers Bluetooth modulation, data packet composition, frequency hopping seq...
[i=s]This post was last edited by lugl4313820 on 2022-3-31 22:35[/i]I happened to see a free evaluation activity in the technical group, so I tried to apply for the evaluation of the development board...
As shown in Figure 1, the constant current source composed of an op amp and a MOS tube, adjusting the resistance of resistor R4, changes the voltage value of pin 3 of op amp U1A (not greater than 2V),...
With MIMO, systems use multiple transmit and multiple receive antennas. Looking at various MIMO techniques (specifically the receive techniques) that use different approaches to antenna and signal opt...
[i=s]This post was last edited by Wang Daye on 2021-11-10 17:27[/i]Recently, the Ministry of Human Resources and Social Security and the Ministry of Industry and Information Technology jointly promulg...