Oscillators Trainers Model ETR 027 Series

A) HARTLY, COLPITTS, CLAPP, BLOCKING OSCILLATORS Model ETR027/1

B) CRYSTAL OSCILLATOR, ASTABLE, MONOSTABLE & BISTABLE MULTIVIBRATOR Model ETR 027/2

C) PHASE SHIFT OSCILLATOR USING FET, JFET OSCILLATOR CHARACTERISTICS OF JFET Model ETR 027/3