Figure 1 Use this third-order, 30-kHz filter circuit to observe a Class D amplifier’s output signal on an oscilloscope.

Among the more interesting features of a digital oscilloscope is its math channel, which can help you analyze hot-swap and load-switching circuits. Math functions can yield detailed information about ...

This particular video uses the Z-axis input on an analog oscilloscope. The input is composite video that's used to create X and Y sawtooth ramp signals from the vertical and horizontal sync pulses.

When work on an engine control circuit [Scott] found himself in need of a way to compare the performance of two control circuits at once. The hobby quality oscilloscope he owns wasn’t up to t… ...