This charger was found in the February 1978 issue of Radio Electronics magazine. The circuit is for low current, only 150 mA, and has a 12 V transformer in the power source.
Measuring capacitances and resistance this simple instrument was found in Radio Electronics...
The LM143 integrated circuit is a high voltage operational amplifier from National Semiconductor that is...
We found this circuit in the November 1985 issue of Radio Electronics magazine. It uses TTL...