New & Used Trolleys, Trams, Welcome to Specialty Vehicles, the preeminent source of new and used trolleys, trams, electric shuttles, and other types of people movers. Since 1982, we have manufactured, distributed and sold our diversified line of vehicles to clients in an array of different industries.
Automotivecircuits use two types of signals:â¢INPUT-provides information about operating conditions(switches, sensors)â¢OUTPUT-causes an electrical or electronic device to operate(lamps, LEDs, relays, motors)Input and output signals can be either digital or analog, depending onthe application.
Hearing aids work differently depending on the electronics used. The two main types of electronics are analog and digital. Analog aids convert sound waves into electrical signals, which are amplified. Analog/adjustable hearing aids are custom built to meet the needs of each user.