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ACTIVE_800_CPS_PARALLEL_T_FILTER

2017-02-25 16:54  
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ACTIVE_800_CPS_PARALLEL_T_FILTER
Potentiometer adjusts amount of rejection to compensate for tolerances of components. Second emitter-follower provides lower output impedance so feedback to network is more effective in sharpening notch of filter characteristic and in decreasing phase shift around null frequency. Used in servo sys terns.-T. Mollinga, Actiye Parallel-T Net.works, EEE, 14:4, p 93-98,