Observe the circuit presented below. In this circuit appears a motor whose current is 1A and the motor works at a voltage of 12. The voltage of the source (VF) is 12V. Transistor Q1 is a 2N3904. The...
V2 D2 LTL-307EE Q1 2N3904 Z1 R1 R2 Fig 01 The circuit shown in Fig 01 is useful to drive a load with a constant current independent of the supply voltage. In the given circuit load is considered as LED. Following data is given Maximum possible current through LED is 30 mA Vz of Z1 is 3.3V R1 is 1 kQ Follow the steps given below: a). Assuming voltage V1 is large enough to operate Z1 in its operating region...
Question I : Consider the amplifier circuit shown below (p-150 for both transistors) (18 marks) +12V R4 1k8 R1 15k Q1 2N3904 C2+ 10μ R2 6V 4k7 2mA Out Q2 2N3904 C1 R3 10k R5 1k8 In 10H (i) Perform DC analysis and prove that the indicated voltages and currents in the figure are correctly calculated. Find the operating point of Q1 and Q2 (5 marks) (ii) Calculate the gain of this amplifier (5 marks) (iii) In the lab, only...