D 15.12 Using an inductance L = 0.1 mH, design the oscillator circuit in Fig. 15.5 to obtain a sinusoid at the amplifier output of 3-V amplitude and 100-kHz frequency. Assume that vL is a perfect square wave with ±0.7-V levels. Use r1 = 10 kΩ and design the filter to have a Q factor of 50. Specify the values of C, R, and r2. What is the value of r3 that limits the maximum diode current to 1 mA? (Hint)
D 15.12 Using an inductance L = 0.1 mH, design the oscillator circuit in Fig. 15.5 to obtain a sinusoid at the amplifier output of 3-V amplitude and 100-kHz frequency. Assume that vL is a perfect square wave with ±0.7-V levels. Use r1 = 10 kΩ and design the filter to have a Q factor of 50. Specify the values of C, R, and r2. What is the value of r3 that limits the maximum diode current to 1 mA? (Hint)
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