Guide to framing a circuit problem

Cue → approach

1. Signal

   Resistive DC

   Approach

   Reduce the network and obtain Thévenin/Norton

2. Signal

   Loaded network

   Approach

   Include the load before using the divider

3. Signal

   RC transient

   Approach

   Find $v_C(0^+)$, $v_C(\infty)$ and $\tau=RC$

4. Signal

   RL transient

   Approach

   Find $i_L(0^+)$, $i_L(\infty)$ and $\tau=L/R$

5. Signal

   RLC circuit

   Approach

   Write the characteristic equation and classify $\zeta$

6. Signal

   Sinusoids

   Approach

   Convert to RMS phasors and impedances

7. Signal

   AC power or resonance

   Approach

   Compute $P,Q,S$, PF and the reactive condition

8. Signal

   Filter

   Approach

   Obtain $H(j\omega)$, cutoffs, slope and loading

9. Signal

   Diode rectifier

   Approach

   Choose a model, identify conduction and ripple

10. Signal

    Operational amplifier

    Approach

    Confirm feedback, linear region and saturation

11. Signal

    Combinational logic

    Approach

    Write the truth table, minimize and check hazards

12. Signal

    Sequential or flip-flop

    Approach

    Check clock, setup, hold and next state