Table of Contents
Why MOSFET is more efficient than BJT?
mosfet is much faster than bjt because in a mosfet, only majority carriers are the current. mosfet has a very high input impedance in the megohms range while bjt in the kiloohms range . thus making the mosfet very ideal for amplifier circuits. mosfets are less noisy than bjts.
Why MOSFET is preferred over BJT in packing density?
MOSFETs are easier to scale down simply using W/L ratio. So on a given area, more MOSFET memory cells can be accomodated, compared to BJT. Also MOSFETs have low static power consumption, when holding a logic state in a memory cell.
Why is MOSFET better than BJT?
BJTs are much more suitable than MOSFETs for driving low-power LEDs and similar devices from MCUs. MOSFETs are better for high-power applications because they can switch faster than BJTs, enabling them to use smaller inductors in switch-mode supplies, which increases efficiency.
What are the advantages of BJT over MOSFET and why?
BJTs operate better in high load conditions&with higher frequencies as compared with MOSFETS
What is the difference between MOSFET and BJT?
The BJT is a bipolar junction transistor whereas MOSFET is a metal oxide semiconductor field effect transistor. BJT’s are used for low current applications, whereas MOSFET is used for high power applications. The BJT is a current controlled device and MOSFET is a voltage controlled device.
Which is better switch BJT or FET?
Therefore, the gain of the BJT amplifier is very high as compared to FET. Since the current flow is due to electrons as well as holes, the recovery time i.e. the time it takes to switch off and switch on is large as compared to FET. Therefore, the BJT has a low switching speed as compared to FET. BJT is not suitable for very high frequency.