10 W amplifier for servo (CB8949E)

This circuit was found in a 1960s Motorola documentation. Transistors are types of the time and can be replaced by modern equivalents.

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Light switch (CB8258E)
Using an LDR, this Philips circuit directly activates a relay when light strikes the sensor. The...
Convergent and Divergent Sequential (CB3844E)
We found this light-effect circuit with LEDs using the well-known 4017 in a 1987 documentation. All...
Driver TAA435 (CB7254E)
This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968...