Consider the output stage of the 741 op-amp shown in Figure 13.8. Assume \(v_{1}=v_{2}=0\) at the input and assume the bias voltages are \(V^{+}=5 \mathrm{~V}\) and \(V^{-}=-5 \mathrm{~V}\). Let \(I_{\text {REF }}=0.5 \mathrm{~mA}\). All other circuit and transistor parameters are described in Example 13.3. Find \(I_{C 13 A}, I_{R 10}, I_{C 19}, I_{C 18}, V_{B E 19}\), \(V_{B E 18}\), and \(I_{C 14}\).

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212 2134 Q14 IBias Q13B IREF 218 R10= 50 ww Bias 19 VBB 022 220 -ov+ RL Figure 13.8 Basic output stage, 741 op-amp, showing currents and voltages