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Why active filters so called even though uses passive resistors?
It has to have resistors but an active filter will alsol have an active device, usually an op-amp, while a passive filter has only passive components and needs no power supply.
What has the author Wai-Kai Chen written?
Wai-Kai Chen has written: 'Passive andactive filters' -- subject(s): Electric filters, Design and construction 'Broadband Matching, Theory and Implementations' 'Passive and active filters' 'Active network and feedback amplifier theory' -- subject(s): Feedback amplifiers
What is the Difference between active filters and passive filters?
Active transducers are those which require electric current (a source of energy) for working, while passive transducers are those which does not need an external source. Passive transducers directly produce electric signals without an external energy source.
What are the applications of multilevel inverters?
The various applications of multilevel inverters are 1. Motor Drives 2.Active Filters 3.Power conditioning
Is active or passive transport hypertonic?
passive
What are the types of harmonic filters in ups?
Basically they are of 2 types 1) Active filter - For low voltage network 2)Passive filter
The teacher called the children is it passive or active?
active and passive
English grammar active and passive voice change from active to passive he would have kept the present can you change it into passive?
== == "English grammer active and passive voice change from active to passive .
What is passive is to change as active is to?
Passive is to change as active is to affect.
Is a thermocouple an active or passive transducer-why?
is a thermocouple an active or passive transducer?-why?
What are the advantages of active filters over passive filters?
Active filters have three main advantages over passive filters:Inductors can be avoided. Passive filters without inductors cannot obtain a high Q (low damping), but with them are often large and expensive (at low frequencies), may have significant internal resistance, and may pick up surrounding electromagnetic signals.The shape of the response, the Q (Quality factor), and the tuned frequency can often be set easily by varying resistors, in some filters one parameter can be adjusted without affecting the others. Variable inductances for low frequency filters are not practical.The amplifier powering the filter can be used to buffer the filter from the electronic components it drives or is fed from, variations in which could otherwise significantly affect the shape of the frequency response.
Is diffusion passive or active?
passive
