This circuit was found in an American medical documentation from 1970. The circuit rejects the 60 Hz noise pickup and generates 2.5 Hz signals. Equivalent components can be tested.
This common configuration source was obtained from old documentation, so the components can be...
This third-order filter was found in a 1975 publication. The circuit must be powered by a...
This circuit is basically the same configuration as the previous one with a power stage with...