EE 230 Electronic Circuits & Systems G. Tuttle

Non-linear oscillator practice problems
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Read the Non-linear oscillator class notes.


For the non-linear oscillator circuit shown,

  • Ra = 68 kΩ
  • Rb = 47 kΩ
  • R = 8.2 kΩ
  • C = 15 nF

The op-amp output saturation levels are
VL+ = 10 V and VL- = -10 V.

The reference voltage is
VREF = 1 V.

For the base comparator, what are VTL and VTH? For the oscillator, what is the oscillation frequency?

Answers