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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Infrared receiver (CB6836E)
Found in old documentation, this circuit uses components that are still common on the market. The...
Multi Optical Sensor (CB20345E)
This circuit activates a relay by activating one of a series of optical sensors that can be...
Infrared Remote Control Test Receiver (CB18803E)
We found this circuit in a 1996 publication. Equivalent components can be tried, especially in the...