Second Order Active Filters & RF Oscillators Experiments Module TC-3000-01

Curriculum Objectives

1. To understand the basic theory of filters.
2. To design and implement the second order low-pass filters.
3. To design and implement the second order high-pass filters.
4. To design and implement the second order bandpass filters.
5. To design and implement the second order band reject filters.

6.To understand the basic theory of oscillators.
7. To design and implement the Colpitts and Hartley oscillators.
8. To design and implement the crystal and voltage controlled oscillators.
9. To understand the measurement and calculation of the output frequency of oscillators.

Experiments Items

Lab 1 Second Order Active Filters
Experiment 1 Second Order Active Low-pass Filter (Low-pass -3dB Frequency: 1 kHz ~ 3 kHz)
Experiment 2 Second Order Active High-pass Filter (High-pass -3 dB Frequency: 5 kHz ~ 10 kHz)
Experiment 3 Second Order Active Band-pass Filter (Center Frequency:10 kHz ~ 100 kHz, Bandwidth: (6 kHz ~ 60 kHz)
Experiment 4 Second Order Active Band-stop Filter (Cutoff Frequency: 10 kHz ~ 100 kHz, Bandwidth:6 kHz ~ 60 kHz)

Lab 2 RF Oscillators
Experiment 1 Colpitts Oscillator (Oscillation Frequency: 1 MHz ~ 9 MHz)
Experiment 2 Hartley Oscillator (Oscillation Frequency: 500 kHz ~ 1.8 MHz)
Experiment 3 Crystal Oscillator (Oscillation Frequency: 500 kHz ~ 1.8 MHz)
Experiment 4 Voltage Controlled Oscillator (Oscillation Frequency: 3.5 MHz ~ 4 MHz)