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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Electronic Compass (CB25382E)
This circuit was found in the June 1991 issue of Radio Electronics magazine. The circuit uses two...
DC to AC Power Inverter (CB19919E)
The MOSFETs are of the type of power and the resistors have their values between 1 k and 10 k for...
Increasing zener voltage with LED (CB22134E)
In the figure we have the way to use an LED to increase the voltage of a zener. The increase...