57. What is the requirement for phase noise at 1k offset , 10kHz offset, and 100kHzoffset for GSM handset?A: For GSM handset RX it has several architectures to implement:Superheterodyne,near zero-IF,z...
(Note: Kaustubh Gadgil and Robert Schreiber co-authored this technical article.)
As systems get smaller, every square millimeter of printed circuit board (PCB) area counts. At the same time, as the de...
Abstract: Combining ZigBee wireless short-range communication technology, a wireless sensor network system architecture for industrial waste gas monitoring is proposed. The network node hardware circu...
After a month, during the May Day holiday, I came back and picked up RVB2601 again. This time I mainly referred to sipower's post and quickly connected it to Alibaba Cloud.
1. The first step is to reg...
Our company is going to make washing machines, and the DC brushless motors do not have Hall.I haven't tried it before. I bought a motor development board and the dead zone in the program is 1.84us.
Th...
[size=4]What is 6-mode? [/size] [size=4] [/size] [size=4] 6-mode supports six different communication modes: TD-LTE, FDD-LTE, TD-SCDMA, EVDO&CDMA, WCDMA, and GSM. [/size] [size=4] [/size] [size=4]The ...