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PULSED_TRANSDUCER_METER_PROTECTION

2016-09-23 08:21  
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PULSED_TRANSDUCER_METER_PROTECTION
Circuit stores transducer output while transducer is momentarily disconnected during pulse period by relay drive circuit that operates coincidentally with transducer pulse drive. Metet voltage is stored by C during pulse period. No storage occurs when S1 is closed; meter then indicates voltage proportional to transducer current, as gain of circuit is 1. -C. Pittman and B. Birnbaum, Circuit Protects Meter from Periodic Current Spikes, Electronics, 39:12, p 108.