As shown in the figure below, if there is no resistor R3, then when the voltage at point A (i.e. Vin) is greater than (VT1+Vbe), the PNP will be turned on. If resistor R3 is added now, the voltage on
I want to do some math questions for the postgraduate entrance examination. Which postgraduate entrance examination tutor can explain the real questions in a detailed and easy-to-understand way?
Live broadcast time
This afternoon 14:00-15:00Live AgendaApplication of wireless MCU products in the smart home industry- Introduction to TI's products in the field of wireless MCU- Introduction to su
During the ongoing STM32L452 development board quiz event (click to view event) and evaluation application event on the eeworld forum, we received questions from netizens about the LDO mode and SMPS m
[color=#333333][font=Arial]The bottom row is connected to GND, and the others are connected to IO. When scanning the keys, set the first row to 0, scan the first column, set the second row to 0, scan