CONTENTS 



Page 



Introduction 1 



Characteristics and operation of the freshwater fish electro-motivator ... 2 



Pulser 2 



Pulse control logic 2 



Pulse selection logic 3 



Switching circuits 5 



Power supply 9 



High voltage 9 



Low voltage 9 



Summary of field testing 10 



Discussion 10 



Acknowledgment H 



Literature cited H 



