[IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into a frequency doubler. Of course, being an old part, it won’t work at very high frequencies, but the circuit is ...

The principle of creating a universal optoelectronic logic element with input optical switching of AND/NAND, OR/NOR and XOR/XNOR functions will be discussed below. The optoelectronic logic element, ...