Photodiode amplifier (CB20691E)

This high-gain circuit was found in American documentation from the 1990s. The operational amplifier supports a modern equivalent.

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Monostable 7555 I (CB18970E)
In the figure we have the way to trigger a 7555 CMOS monostable with a positive pulse. The time...
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This circuit is from a 1968 documentation. It generates a non-symmetrical signal with the waveform...
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