This 80's circuit uses an audio amplifier to obtain a symmetrical source from a single source. The maximum current is on the order of 1.3 A and the input voltage must not exceed 20 V.
Motorola suggests this circuit in an 80's documentation. The circuit uses an inverter to produce a...
This circuit generates signals at fixed frequencies for calibrating shortwave receivers. We found...
The circuit shown in the figure makes use of an LM3909, a low consumption and low voltage IC. The...