This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of output from a 2 W input.
We found the circuit of this Japanese transistorized commercial receiver in a documentation from...
In the figure we have a constant current source for Shape Memory Alloy or (Nitinol). The...
We found this circuit in the Texas Instruments opto-electronics manual. The button resets and the...