Voltage Monitor MC34064 (CB14536E)

The component used in this circuit is uncommon today. The circuit is from Motorola's 1990 Linear Databook.

FM ear (CB16712E)
This type of circuit, even with the same configuration, appears several times on this site. The...
Temperature transmitter (CB9392E)
This circuit is a wireless temperature transmitter for RF signals in the range of 0.2 to 2 MHz...
Countdown for Rocket Launch (CB15003E)
We found this circuit in a 1992 Poptronics. What it does is to activate LEDs sequentially,...