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A System for Efficient Neural Stimulation with Energy Recovery Shawn Kevin Kelly
A System for Efficient Neural Stimulation with Energy Recovery Shawn Kevin Kelly

... voltage steps, each step a separate power supply. Electrodes are switched through a series of steps, and each step is maintained at its prescribed voltage by a controlled synchronous rectifier, which charges the supply capacitor from a single AC secondary power coil. This novel architecture uses less ...
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... A temperature and process variation independent bias circuit is developed to solve one issue with using third-order distortion nulling. This work is interesting in that it branches into series resistance compensation for translinear circuits and stands as a useful circuit in its own right. Using sta ...
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... process that provides low power dissipation yet gives high switching speed, very low on resistance, high signal bandwidths and low leakage currents. On resistance is in the region of a few ohms, is closely matched between switches and very flat over the full signal range. These parts can operate equ ...
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... Some tests necessary to debugging a tube guitar amplifier may require you to perform operations inside the amplifier with voltage on. These tests can be hazardous to perform if you do not know the specific methods to do them safely. Such hazardous tests are presented only for your information, and t ...
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Metadyne



A metadyne is a direct current electrical machine with two pairs of brushes. It can be used as an amplifier or rotary transformer. It is similar to a third brush dynamo but has additional regulator or ""variator"" windings. It is also similar to an amplidyne except that the latter has a compensating winding which fully counteracts the effect of the flux produced by the load current. The technical description is ""a cross-field direct current machine designed to utilize armature reaction"". A metadyne can convert a constant-voltage input into a constant-current, variable-voltage output.
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