This old circuit, from the 80s, was found in American documentation. The circuit uses dual gate FETs (MOSFETs) and has no data on the coils used.
This circuit is an excellent application for the PIC in audio, but the reader who intends to do...
To a 16-0hm load, this amplifier provides a power of 10 W. We found this circuit in a Motorola...
This reader with TTL logic compatible output uses an LM139 comparator. The circuit was found in...