Solar Voltage Doubler (CB20482E)

This circuit is intended for carrying out experiments with solar cells. The circuit is from a 1991 documentation.

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Power Amplifier Stage (CB3833E)
This audio stage can be used in siren circuits, sound effects and others to excite a few watts...
FM Booster (CB4298E)
This signal amplifier should be installed near the FM antenna to improve signal reception in...