Solar charger MC34064 (CB14537E)

The integrated circuit used in this charger is not very common today. The circuit is from Motorola's 1990 Linear Databook.

VHF receiver (CB8489E)
This circuit was found in a 1965 General Electric documentation. It is intended for reception of the...
Photocell Amplifier (CB15490E)
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...
15 V x 2A regulator (CB15969E)
This circuit is suggested by Motorola and is based on a 1723 voltage regulator. The 2N3055...