Micropower amplifier (CB7461E)

This amplifier was found in an Electronics Now from the 90s. The FETs are part of a CD4007CB.

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Time-out comparator (CB9585E)
This interesting comparator circuit was found in an old Motorola documentation. The integrated circuit...
Constant Current Source (CB6625E)
This two-transistor constant current source is from a 1968 documentation. Modern equivalent...
Frequency Deviation Indicator NE567 (CB12671E)
An interesting application that finds applications in industry, especially when fluctuations in...