The crystal oscillator generally adopts the capacitor three-terminal ( Colpitts ) AC equivalent oscillation circuit as shown in Figure 1a ; the actual crystal oscillator AC equivalent circuit is shown...
I want to share a set of programs for the router and terminal programs, and distinguish them by external pin levels. After the integration is completed, I found that the router can send and receive da...
AFE (analog front end) is analog front end in Chinese. It refers to the battery sampling chip in BMS, which is used to collect battery cell voltage and temperature, etc.Before writing this, I thought ...
## Preface A good architecture is as productive as a sow. On the first day of work, after working on ADC, I moved on to DAC. ## What is DAC? We have said before that ADC converts analog quantity into ...
The Advanced Power Management (APM) specification defines the following power states: ? Ready S1 ? Standby S2 ? Suspend S3 ? Hibernate S4 ? Off S5 Three of these states can apply to individual compute...