A method and apparatus for the high-speed testing of capacitors. A computing amplifier is connected with the capacitor under test to form an integrator which integrates a known excitation signal. The integration is initiated with no charge stored by the capacitor and at a zero crossing of the excitation...http://www.google.com/patents/US3943439?utm_source=gb-gplus-sharePatent US3943439 - Capacitor test apparatus and method
