Eighth-Order Filter (CB6741E)

This low pass filter has attenuation of 5.5 dB and the frequencies depend on the values of the components in the case 1 kHz.

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Switch with Diodes (CB19925E)
This configuration for switching signals uses only common general-purpose diodes such as 1N4148. The...
Electronic Slot Machine (CB6893E)
This digital electronic game circuit was found in a 1982 publication. It randomly draws the...
Sensible light relay 2 (CB22126E)
This version works in the opposite way to the previous one, activating when the light falls on the...