Difference between revisions of "Circuit diagram for wave generator"
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The circuit shown produces a pretty good square wave (10 V peak-to-peak) able to drive a low impedance load, and a slightly curved triangle wave of lower amplitude, and only able to drive a high impedance load. |
The circuit shown produces a pretty good square wave (10 V peak-to-peak) able to drive a low impedance load, and a slightly curved triangle wave of lower amplitude, and only able to drive a high impedance load. |
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The 555 "timer" chip in the figure is shown with its pins in the actual DIP8 layout (pin 1 is upper left) |
The 555 "timer" chip in the figure is shown with its pins in the actual DIP8 layout (pin 1 is upper left) |
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The time constant is on the order of T = R1 * C1 |
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The time constant is T = R1 * C1, which here would be 100uS. I measure a repetition rate of 3KHz. |
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Latest revision as of 17:46, 18 January 2008
The circuit shown produces a pretty good square wave (10 V peak-to-peak) able to drive a low impedance load, and a slightly curved triangle wave of lower amplitude, and only able to drive a high impedance load.
The 555 "timer" chip in the figure is shown with its pins in the actual DIP8 layout (pin 1 is upper left)
The time constant is T = R1 * C1, which here would be 100uS. I measure a repetition rate of 3KHz.
