RF PREPTECH // GENERAL // EXTRA
Amateur Extra · FCC ELEMENT 4

E7D07

Amateur Extra · FCC Element 4 · answer reveals automatically

EXTRAE7 · Practical Circuits
E7D07

What is the purpose of C2 in the circuit shown in Figure E7-2?

Figure for E7D07
AnswerIt bypasses rectifier output ripple around D1

In Figure E7-2, C2 bypasses rectifier ripple around the Zener reference D1.