Useful tips for everyday
Can you use an op amp as a comparator? A comparator has a logic output that indicates which of the two inputs is at a…
Can a grounded power supply cause a ground loop? A notable exception is RS232. A common problem with RS232 is ground loops caused by having…
What is shift register explain? A shift register is a type of digital circuit using a cascade of flip flops where the output of one…
Why do some electronics make high pitched noises? Coil whine is a high-pitched sound some devices inside the computer case can create under certain situations.…
Which condition affects the Q point of a transistor amplifier? The function of the “DC Bias level” is to correctly set the transistors Q-point by…
Why MOSFET is an active device? BJT is current controlled, while FET is voltage controlled active device. In my understanding, MOSFETs or other active devices…
What is the purpose of an instrumentation amplifier? The instrumentation amplifier is used for precise low level signal amplification where low noise, low thermal drift…
How do you clean chipped pins? I use isopropyl alcohol with acid brushes for cleaning flux. You can find 91% isopropyl if you look around.…
Do you need to use a resistor with a potentiometer? Yes, LEDs almost always need series resistors to limit their current. They don’t limit currents…
What happens when ideal transformer is in operation? An ideal transformer works on two principles like when an electric current generates a magnetic field and…