Figure 3 A simplified oscillator circuit.
-Refer to Figure 3. Assume the circuit is working normally; the output frequency is approximately
A)100 kHz
B)333 kHz
C)3.33 MHz
D)1.0 MHz

Question

Figure 3 A simplified oscillator circuit.
-Refer to Figure 3. Assume the circuit is working normally; the output frequency is approximately
A)100 kHz 
B)333 kHz 
C)3.33 MHz 
D)1.0 MHz

Quizplus · Accepted Answer

The output frequency of a circuit like a 555 timer in astable mode is calculated using the formula f = 1.44 / ((R1 + 2R2) * C). Given typical component values, the frequency often approximates 333 kHz.

Figure 3 a Simplified Oscillator Circuit