I downloaded the version through the ARM-JTAG download tool and found that there was a two-byte error in the plug-in content downloaded to the SDRAM of ARM9. Which expert can tell me what the reason i...
As a new service of GSM network, GPRS data transmission service has been paid more and more attention by system operators and system developers. Using GSM network as a wireless data transmission netwo...
As shown in the picture, when I change the voltage, the current remains unchanged, but when I change the resistance of R2, the current changes. Why is that?...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:19[/i] We used the 90M bandwidth schematic in the manual in the process of making the amplifier gain. We first tested the single-stage amplif...