Oil change computer (CB6373E)

This electrochemical circuit monitors the conductivity of the oil indicating when to change it. The circuit is from an 1967 American documentation.

| Clique na imagem para ampliar |

Commercial radio 6T 170 (CB18428E)
This Japanese commercial transistor radio circuit was found in a 1967 documentation. The...
Dual Gate MOSFET Oscillator (CB13091E)
The circuit shown in the figure is characterized by stability and the use of a common component. This...
TPS7A19 Linear Regulator with Low Voltage Drop (COM189E)
January 2017 - Texas Instruments' new TPS7A19 Low Voltage Dropout (LDO) linear regulators are now...