Piletid vastustega
they produce more electrical and audible noise.Adv of comparator:fast differential dc
amplifier of high gain and stability.Disadv:need high resolution which implies high gain.
8)Sample-and-hold circuit(SHA)It captures an analog signal and holds it during some
operation.When the SHA is in the hold mode, the output is closed.When the SHA is in the
sample mode, the output follows the input with a small offset equal to the hold period.The
energy storage device, the heart of the SHA is acapacitor.
RS flip-flop:Each collector drives the opposite base through a resistors R B.One transistor is
saturated and the other is cutoff.Depending on which transistor is saturated,the Q output is
either low or high.RS flip-flo circuit can set the Q point to high or reset it to low.High input S
sets Q to high and high input R resets Q to low.
What does the electron interact with? hole neutron dipole crystal
What does the flowing of electrons in an npn transistor start from
annaabi.ee 
