Oscillator Design Specifications 

• V_cc = +12 V dc
• V_ee = - 12 V dc (optional if the amplifier is a transistor)
• f_out = 455 kHz ± 5%
• V_out = 2 V_p-p
• Load = 16 kOhms

 Objectives

1. Show all design calculations
2. Build and test a Colpitts oscillator and prove that you met all the specified parameters
3. Repeat the above steps for:

• Wien Bridge
• Crystal oscillators

 Design Circuit of Colpitts Oscillator

Figure 19

Design Circuit of Wien Bridge Oscillator

Figure 20

Design Circuit of Crystal Oscillator

 Figure 21

Last Modified: 4/16/98 by korman@seas.gwu.edu.