Logic Probes (CB13782E)

The circuit presented uses two common transistors and is powered by the circuit being tested. The circuit is for TTL logic, since its supply is 5 V.

| Clique na imagem para ampliar |

Automotive use PTC sensor (CB18981E)
This circuit was found in a Texas Instruments linear application manual from the 1990s. The...
MOSFET High Power Switch (CB24434E)
This high-power circuit was found in a documentation from the 90s. The circuit can use more...
Touch switch (CB8727E)
Found in a 90s Popular Electronics, this touch switch uses a single sensor. PLLs are common today....