Band Pass Filter (CB19687E)

This bandpass filter has a simple feedback system. The component values can be calculated using the formulas found in the math section.

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AC Amplifier TL061 (CB14495E)
The circuit is from Motorola's Linear Databook from 1990, but the configuration is current because...
Power supply for Tunnel Diode (CB23542E)
In the figure we have the simplest way to implement a power supply for a tunnel diode. The...
Magnetic Transducer Amplifier (CB19013E)
This circuit was found in documentation from the 1980s. The circuit can be implemented with other...