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DIY Stairstep Generator
This stairstep generator comes to us from Skullcom.Com:
http://www.scullcom.uk/design-build-...orm-generator/ I added a 555 timer chip to produce a TV-H clock so it uses only 2 chips. The output resistor was replaced with a 2K pot with the wiper connected to a 470/16 cap to decouple the DC. (Also note the Vdd and Vss connections are incorrect for a 16 pin chip.) It works well for analog and some digital sets. The stairstep signal is used to evaluate differential gain problems with a video signal.
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