Current to Voltage Converter (CB14343E)

This circuit is from National Semiconductor using an LM11, which is uncommon nowadays. The circuit can be implemented with other operational ones.

| Clique na imagem para ampliar |

Telephone Line Simulator for Internal Communication (CB18068E)
This circuit is a telephone line simulator and can be used for internal communications. It is...
Digital One Digit Counter (CB13406E)
This digital didactic digit counter uses common TTL integrated circuits and a common anode...
RF power meter (CB8977E)
This reflectometer or standing-wave ratio meter (SWR) was found in a 1980s American documentation. The...