RF Probe (T1691E)

This high-impedance probe for oscilloscopes was found in a July 1958 Radio Electronics magazine. The circuit did not include a power supply.

| Clique na imagem para ampliar |

Automotive Tachometer (CB13706E)
This circuit was obtained in a 1975 documentation. It is intended for old vehicles that still use...
Inverter Schmitt Trigger 4093 (CB16083E)
A Schmitt trigger inverter can be obtained from each gate of the 4093 with the connection shown in the...
Voltage Follower CA3140 (CB15502E)
In the figure we have a typical voltage follower. In a voltage follower the voltage gain is...