29. What is the requirement for phase noise at 1k offset , 10kHz offset, and 100kHzoffset for GSM handset?Answer: For GSM handset RX it has several architectures to implement:Superheterodyne,near zero...
Headhunting position [Shenzhen] Job responsibilities: 1. Participate in the technical development and feasibility analysis of the R&D department. 2. Responsible for the writing and debugging of the ro...
When the servo drive system is loaded, the current waveform follows very well, the current is saturated, and the speed waveform oscillates when it starts (there are two waveforms, one from 0 to 2000 r...
A multifunctional AC voltage-stabilized power supply controlled by a single-chip microcomputer Abstract: This paper proposes a multifunctional AC voltage-stabilized power supply controlled by a single...
Are there any seniors who are familiar with Beidou chips and GPS chips who can recommend some relatively stable, low-power, and low-voltage Beidou chips and GPS chips?...
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