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Circuit Lab. Experiment-4 Measurement of Time Constant, Rise Time, Step Response of a RC Circuit. Quiz. A(t)=A.e -t/a B(t)=B.(1-e -t/a ) Draw the graphic of A(t) and B(t) signals. For t=a calculate A(t) and B(t). RC Circuit. Theory. Time Constant t =RC Rise Tİme
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Circuit Lab. Experiment-4 Measurement of Time Constant, Rise Time, Step Response of a RC Circuit
Quiz • A(t)=A.e-t/a • B(t)=B.(1-e-t/a) • Draw the graphic of A(t) and B(t) signals. • For t=a calculate A(t) and B(t)
Theory • Time Constant t=RC • Rise Tİme tr = (2.2)RC=(2.2)t
Measurement Setup-1 GDS-1102 10 Hz TTL SFG-2120 1 kW +5V 1 mF 0V Rise Time=......... Time Constant=.........
Measurement Setup-2 GDS-1102 10 Hz TTL SFG-2120 10 kW +5V 1 mF 0V Rise Time=......... Time Constant=.........
Measurement Setup-3 GDS-1102 10 Hz TTL SFG-2120 1 kW +5V 1 kW 1 mF 0V Rise Time= ? Time Constant=?
Measurement Setup-4 GDS-1102 10 Hz TTL SFG-2120 +5V 1 mF 1 kW 0V Oscilloscope Screen ?
Final Setup 1 kW +5V 1 kW 1 mF Measure DC voltage across the capacitor using UT33A autorange multimeter
For a DC Voltage applied to capacitor with Vc(0)=0 initial condition; t0+ Capacitor Voltage: 0 Capacitor Current: Max. (Short Circuit) (Capacitor Charging) t>>t Capacitor Voltage: Max. Capacitor Current: 0 (Open Circuit) (Capacitor Charged)