Q1. (a) The diagram of Figure 1 shows a linear regulator providing a 20V output voltage. Both Q1 and Q2 have a current g
Posted: Thu May 05, 2022 2:08 pm
- Q1 A The Diagram Of Figure 1 Shows A Linear Regulator Providing A 20v Output Voltage Both Q1 And Q2 Have A Current G 1 (60.05 KiB) Viewed 35 times
Q1. (a) The diagram of Figure 1 shows a linear regulator providing a 20V output voltage. Both Q1 and Q2 have a current gain (B) of 200. Q1 R1 700R R2 14k Vin 30V ZD1 5.6V Figure 1: Linear regulator If the load power is 20W, calculate: (i) the output current (ii) the approximate efficiency of the regulator (iii) the input current Q2 Vout 20V 6.2k (1 mark) (6 marks) (1 mark)