Picoammeter (CB6192E)

This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not common today. The power supply must be symmetrical.

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SCR Chaser (CB6770E)
Found in ancient American documentation this circuit uses semiconductors from the thyristor family such as...
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The 8038 integrated circuit is not very common today. It is a circuit that generates signals of...
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This circuit was found in General Electric documentation from the 1980s. The circuit is intended...