Multiplexed BCD Driver (CB20908E)

This circuit was found in an Electronics Now from the 80's. The circuit is designed for 3-digit displays. The circuit is TTL.

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Sensor Controlled Oscillator (CB11474E)
This oscillator can be controlled by light if we use an LDR as a sensor, or by temperature, if we...
Wireless Power Supply Modules (COM149E)
November 2016 - The new wireless power modules for use in wearables from Semtech can now be...
Automatic Protection Power Source (CB15847E)
This circuit supplies voltages from 6 to 18 V with a maximum current of 2 A. We found it in a...