Sine2/triangle/square wave generator for pacemaker testing.
We describe a device which generates the most widely used test signals for sensitivity measurements of noncompetitive pacemakers--sine2, triangle and square waves. The test generator can operate in free-running mode or it can be triggered by impulses from the pacemaker tested, thus enabling measurement of the sensitivity response of the pacemaker sensing circuits within the whole automatic interval, including determination of the pacemaker refractory period.
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