[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 super ...

I wonder if this is the right forum to ask this question in.<BR><BR>Anyways, today in class we went over logic gates: AND, OR, XOR, and NOT. Now, I can remember AND and NOT but not OR and XOR. AND is ...

Good Grief Charlie Brown! Ever since I presented the “Black Box Brain Boggler” in myLogically Speaking column in the 8th May issue of EE Times, I've been running around in ever-decreasing circles ...