The circuit in Figure 3 is designed to act as a constant current source across the load resistor. The β of transistor is 50. What is the value of load current?
The circuit in Figure 3 is designed to act as a constant current source across the load resistor. The β of transistor is 50. What is the value of load current?
The circuit in Figure 3 is designed to act as a constant current source across the load resistor. The ß of transistor is 50. What is the value of load current?
Figure 3 Transistor amplifire circuit with source Vs and load R b) For the BJT switching circuit shown in Figure 4, i) Calculate the value of Ra so that the transistor is operating in saturation when switched on if the value of Rc is 3.9 kn. ii) What will the output voltage be for the applied input signal voltage shown if Vcet IS 0.2V? 5 V Re o V 5 V B 100 OV Figure 4 BUT switching circuit with...
Please Show Working Q2- The load current i, in the following circuit is 50 A constant. The diode has a maximum reverse recovery current of 20 A due to a wrong selection of its type. Assuming a switching frequency of fs for the transistor, sketch the waveform of its current. What are the effects of this waveform on the transistor? iL E D Circuit diagram for Q2 Q2- The load current i, in the following circuit is 50 A constant....
For the circuit shown in the figure, find the current through and the potential difference across each resistor.What is the current through the 3 Ω resistor?What is the current through the 4 Ω resistor? What is the potential difference across the 3 Ω resistor.What is the potential difference across the 4 Ω resistor?What is the potential difference across the 48 Ω resistor?What is the current through the 48 Ω resistor?What is the potential difference across the 16 Ω resistor?What is the...
(a) Find the current across the resistor. (b) Find the current across the inductor. (c) What is the magnitude of the total current? (d) Find the impedance of the circuit. (e) What is the phase angle between the current and the voltage? Consider the parallel RL circuit shown in Figure 12.11.4 V(t) R &L Figure 12.11.4 Parallel RL circuit The AC voltage source is V(t)Vo, sin ot
In the circuit in the figure, determine the current in each resistor and the voltage across the 70 ? resistor. (Indicate the direction of the current flow through each resistor through the sign of your answer. Take upward current flow as positive.) current in 200 ? current in 80 ? current in 20 ? current in 70 ? voltage across 70 ? resistor:
D. For the transistor circuit shown in Figure 7, assuming that the transistor is in the forward active mode, and B = 100 and VBE = 0.7V, calculate Base current 1B Collector current Ic (iii) Emitter current le (iv) Collector to emitter voltage Vce and (v) Voltage across the 2009 resistor v 3 80022 10 kV W VCE VBE مت + + 1 2001} 1 1
All of them have short answers. 1. If a 19.9mA current source, a 32.6kΩ resistor, a 49.6kΩ resistor and a 42.6kΩ resistor are all connected in parallel, then what is the current through the 42.6kΩ resistor in milliamps? 2. If a 8.9V voltage source is applied across a 43.6kΩ resistor connected in series with a 25.3kΩ resistor, then what is the voltage across the 25.3kΩ resistor in volts? 3. If the Thevenin equivalent for a circuit is a 5.5V voltage...
Figure 2 shows a feedback amplifier circuit. Rs is the source resistor and R, is the load resistor RS Vs VI RL OPAMP R2 R1 RM R3 R4 Step 1: open-loop and closed-loop circuits identification 1.1 Identify the source, the load, and the closed-loop amplifier 1.2 Identify the open-loop amplifier (**A" eireuit) and the feedback network (B" eircuit) in the closed-loop amplifier 1.3 Identify the connection type between the "A" circuit and the "B" circuit at both the input and...