For the Schmitt trigger shown , Si transistors are used with hee = 30. (a) design thc circuit such that ,with a 12V supply, UTP= 5.7V, Take Re, 2 m A. LTP = 4 V Rez =o.

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For the Schmitt trigger shown, Si transistors are
used with hee = 30
(a) design the circuit such that , with a 12V supply,
UTP= 5.4V , LTP = 4V , Ic, csat) = 2 mA.
Take Re,
(6) With the same de sign resisturs found in part
(a) and with Re, 20, determine the valuc of
Ra, which wil eliminate hysteresis.
(c) with the same olesian resistors found in part (a),
and with Re, =o, determine the value of Re
which will eiminate hysteresis.
Rez =o.
R,
Re,
Re,
Transcribed Image Text:For the Schmitt trigger shown, Si transistors are used with hee = 30 (a) design the circuit such that , with a 12V supply, UTP= 5.4V , LTP = 4V , Ic, csat) = 2 mA. Take Re, (6) With the same de sign resisturs found in part (a) and with Re, 20, determine the valuc of Ra, which wil eliminate hysteresis. (c) with the same olesian resistors found in part (a), and with Re, =o, determine the value of Re which will eiminate hysteresis. Rez =o. R, Re, Re,
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