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Are the drivers used for Direct Servo subs different from regular drivers?

April 26, 2017different Drivers regular servo subs Used

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Are the drivers used for Direct Servo subs different from regular drivers?

1 Answer

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10 Posted

All the drivers used in Direct Servo subs are just like any other drivers, except for the sensing coils. The gap space occupied by the sensing coil is only 6 mils. This makes it very easy to take an existing driver design, put in a sensing coil, widen the gap by 2×6=12 mils and get a driver that can be used for Direct servo subs. This change only alters the T/S parameters slightly. As a result, all Direct servo drivers can also be used in a non-servo sub. We publish their T/S parameters just in case our customers want to do so (even though practically, there is no reason to do so).