Armstrong oscillator: A circuit distinguished by its use of transformer coupling for the feedback signal. Related posts: Condenser Feedback Ignition Coil 360 degree feedback Amplifier BE8255 Basic Electrical, Electronics and Measurement Engineering Syllabus Valve train Rocker arm OEE751 Basic Circuit Theory Syllabus Performance Coaching Tappets Push rod Articulated vehicle Automatic Gain Control (AGC) OAN751 Low Cost Automation Syllabus Behavior modelling AC Equivalent circuit Fluid flywheel or Hydraulic coupling Circuit breaker AE8505 Control Engineering Syllabus Read more articles Previous PostApproximation Next PostAudio Amplifier