Useful tips for everyday
Is a current source also a voltage source? A current source is an electronic circuit that delivers or absorbs an electric current which is independent…
Can a potentiometer be used as a rheostat? You may be fortunate that at minimum setting the metal contacts are touching the tab and giving…
What does the dot on a transformer schematic mean? polarity Transformer Conventions A pair of dots indicates polarity. The similar placement of these dots next…
Which shift register is used in sequence generator? The N-bit shift register outputs like Q0 through QN-1 are applied like the inputs to a combinational…
What is fire alarm cable made of? Both cables are fitted with aluminum polyester foil shield and drain wire that acts as protection against external…
How does PWM work in a microcontroller? Now-a-days microcontrollers support PWM outputs. The digital pulses are available as output at these pins. The different pulse…
What is an alternating current or voltage? Alternating current (AC) is an electric current that periodically reverses its direction, in contrast to direct current (DC)…
Why the threshold voltage of PMOS is different from NMOS? The p-channel MOSFET, or the PMOS, is the complementary device to the NMOS. This requires…
What causes phase shift in a RC oscillator? This circuit uses the property of RC filters to cause a phase shift, and by using multiple…
What is the transfer function of the low-pass and high-pass filter? High Pass Filter Transfer Function Equation The transfer function of a first order high…