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Electronic Solid State Stepping Switch Circuit Diagram


This is a simple Electronic Solid State Stepping Switch Circuit Diagram. Solid is one of the four fundamental states of matter. It is characterized by structural rigidity and resistance to changes of shape or volume. In electrical controls, a stepping switch , also known as a stepping relay, is an electromechanical device which allows an input connection to be connected to one of a number of possible output connections, under the control of a series of electrical pulses. 


 

This circuit was designed to make switching of a 48-channel mobile transceiver safe to operate while mobile. The oscillators allow for single-stepping or a scanning function. The scan facility allows for stepping through all 48 channels to check for occupancy or otherwise, and each output is indicated with an LED and labeled accordingly, so at-a-glance indication is possible.With full scope of this circuit it is possible to scan 256 channels and by adding more 4 to 16 line encoders etc. you could switch to any required number.
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