An optoisolator also allows information to be transferred between circuits not sharing a common ground potential.
2.
The pulses could be sent by optoisolator or transformer . talk ) 18 : 53, 30 March 2009 ( UTC)
3.
In 1961, the Tremolux was changed from a 1?2 black tolex with silver grillecloth, and the circuit was changed to AB763, which used an optoisolator to couple the tremolo effect, replacing the earlier direct bias-modulation circuits.
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