3 ms·
FETs weren't desirable at the time though - which is why they didn't attain widespread use. Its very difficult to get linear behavior from a FET and at that ti
by slededit 8y ago
FETs weren't desirable at the time though - which is why they didn't attain widespread use. Its very difficult to get linear behavior from a FET and at that time the primary use of the devices was analogue in linear mode. The BJT was more than just a patent workaround.
These days we can make linear FETs although they are still rare. Most are intended to be used in saturation as part of digital circuitry.
- taneq 8y agoIronic that BJTs were developed to work around FETs' undesirable nonlinearities for analogue systems, while now FETs are used to work around BJTs' undesirable inefficiency in switchmode use. Just goes to show that in engineering, "how good is X?" is a meaningless question without saying what X is used for.