I'm trying to build an H-Bridge for inductive loads using n-channel =
fets.

The fet that has its source connected to ground and the load connected =
between
the 18V+ rail and drain I get full power. (around 18 volts appears =
between negative and drain)

But the fet that has its drain connected to the vcc and the load =
connected between
the negative rail and source I'm getting a considerable amount less =
power.
(only about 15.5 volts appears between negative and the load)

Am I barking up the wrong tree or should this work?

The reason for using n-channel is that they are easier to get and less =
expensive.

Thanks in advance for the assistance.

Andrew Hooper

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