We found this micro amplifier in a technical documentation from National Semiconductor. The circuit can be used on an experimental phone, being powered even by alternative power sources.
This Linear Technology circuit can measure currents from 100 pA to 100 uA. The circuit is from the...
This circuit can be used with any auio amplifier, converting it into a AM receiver. Antenna is a...
To power an LED we need a closed circuit for the current flow. We also know that the LED can’t be...