The Voltage Clamp Amplifier

The voltage clamp amplifier is the instument that measures the membrane potentials and curents and relays this information to the PowerLab. It looks something like this:

Wow. This is a complicated gizmo. But you don't have to worry about most of it - most of the settings won't change.

Each of the five sections in the picture above (voltage electrode, bath electrodes, clamp, commands, and current electrode) is a link to a page that explains its function. Go through these to to get a feel for how the system works.

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