题目内容
An oscilloscope is easily the most useful instrument available for testing circuits because it allows you to see the signals at different points in the circuit.
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The best way of investigating an electronic system is to monitor signals at the input and output of each system block, to check that each block is operating as expected and is correctly linked to the next .
An oscilloscope to display a voltage – time ( V/t ) graph , a graph of voltage against time. Voltage on the vertical or Y-axis, and time on the horizontal or X-axis.
Turn the POWER on. Apply a signal to the input terminal. Set the INTENSITY and FOCUS controls correctly, the spot will be reasonably bright, and as sharply focused as possible .
The TIME/DIV control determines the horizontal scale of the graph which appears on the oscilloscope screen.The VOLTS/DIV control determines the vertical scale of the graph drawn on the oscilloscope screen. The Y-POS allows you to move the spot up and down the screen.
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