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Understanding the Difference Between BJT and MOSFET and ...
https://circuitdigest.com/article/understanding-the-difference-between-bjt-and-mosfet-and-how-to-select-the-right-one-for-your-designs#:~:text=For%20starters%2C%20MOSFETs%20have%20faster%20switching%20speeds%20and,in%20the%20total%20power%20loss%2C%20MOSFET%20is%20preferred.
BJT vs MOSFET - taking the best of both | diyAudio
https://www.diyaudio.com/community/threads/bjt-vs-mosfet-taking-the-best-of-both.2131/
If you want to build a pure class A amplifier, BJTs are more linear than MOSFETS if you use very large BJTs, having very high power handling capacity, and Ft greater than 10 Mhz, for instance 2SC3281/2SA1302 (Toshiba), which are specially designed for this purpose.
Understanding the Difference Between BJT and MOSFET …
https://circuitdigest.com/article/understanding-the-difference-between-bjt-and-mosfet-and-how-to-select-the-right-one-for-your-designs
For starters, MOSFETs have faster switching speeds and lower switching losses than BJTs. BJTs have switching frequencies of up to hundreds of kHz, while MOSFETs can easily switch devices in the MHz range. So, for high-frequency applications where switching losses have a major role in the total power loss, MOSFET is preferred.
Difference between BJT and MOSFET - ElProCus
https://www.elprocus.com/difference-between-bjt-and-mosfet/
Generally, BJTs introduce huge noise into the signal as compared with MOSFETs. So MOSFETs are suitable for processing the signal otherwise voltage amplifiers. The size of the MOSFET is very small as compared with BJTs. So the arrangement of these can be done in less space. For this cause, MOSFETs are used within the processors of computer & chips.
Bob Cordell Interview: BJT vs. MOSFET | Page 154 | diyAudio
https://www.diyaudio.com/community/threads/bob-cordell-interview-bjt-vs-mosfet.101745/page-154
Bob Cordell said: The VAS current depends on the offset matching between the LSK489 and the LSJ689. This is a common behavior for full-complementary input stages. The shunt resistor across the collectors of the IPS current mirror stabilize it. Without those resistors the VAS current is theoretically undefined.
transistors - Why would an op-amp use BJTs over …
https://electronics.stackexchange.com/questions/51003/why-would-an-op-amp-use-bjts-over-mosfets
It is worth pointing out that fundamentally the transconductance of a BJT is much higher than for a MOSFET. i.e. the current varies with the exponential of the applied voltage in the case of a BJT, whereas it only varies with the square of the voltage for a MOSFET.
Best transistor to use for audio amplifier - Electrical ...
https://electronics.stackexchange.com/questions/97827/best-transistor-to-use-for-audio-amplifier
This is because, to turn-on a BJT, you only need about 0.6 to 0.7V whereas to get a MOSFET supplying several hundred milliamps you might need to drive its gate with 3 or 4 volts. Again, this will be a simple emitter-follower push-pull class AB output stage.
Audiogon Discussion Forum
https://forum.audiogon.com/discussions/you-prefer-mosfets-or-bipolar-outputs-in-amps
As such, MOSFETs have no advantage over Bipolars in relation to space and cost reduction of expensive Emitter resistors for Bipolar circuits and Source resistors of MOSFET circuits. MOSFET amplifiers have a much higher slew rate than Bipolar designs. MOSFET devices are very fast and can switch several amps in nanoseconds.
BJT vs. MOSFET - Electronics Foundations: Semiconductor ...
https://www.linkedin.com/learning/electronics-foundations-semiconductor-devices/bjt-vs-mosfet
They're also able to handle higher output currents and have a lower output impedance. That gives BJTs a huge advantage over MOSFETs for building amplifier circuits that need to provide a...
Bob Cordell Interview: BJT vs. MOSFET | Page 2 | diyAudio
https://www.diyaudio.com/community/threads/bob-cordell-interview-bjt-vs-mosfet.101745/page-2
It is a common misconception that ft is not a valid way of describing the relative small-signal speed of a FET. It is valid, but one does have to keep in mind that the ft of a FET is often more a function of current than that for a bipolar, since the gate-source capacitance of the FET tends to be fairly constant with current, while the base-emitter hybrid pi capacitance of a …
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