[NSRCA-discussion] Optical Isolation of Servo

[Ron Van Putte]

A customer needs to get rid of interference from the ignition engine  
he's using, which causes the throttle servo to surge.  I suggested he  
look into optically isolating the servo from the receiver, to  
preclude the EMI going down the servo wires to the receiver.  He  
asked me where he could buy such a device and that's where I ran out  
of ideas.  I remember that they used to be available, but can't  
remember who marketed them.  Anybody know?

Ron VP