sergey23 0 February 10 Posted February 10 · Report post Hello, I want to see your pespective as engineers when you simulate such circuit. could you give basic specs for such circuit? R2 R1 R5 are important because they deside currents which cause voltage drops which desides the operation mode of Q1 and Q3. how would you use the simulator to deside the R1 R2 R5 values? Thanks. Quote Share this post Link to post Share on other sites More sharing options...