The inefficiency of heated air convection? My recommendation for any and all heatsinks is to have a fan oriented to keep air flowing across the heatsinks at all times. An acquaintance of mine lost h
That may be true, but any help you can give a heatsink, the transistors will appreciate by giving you long life. I agree. 35-40 deg C seems somewhat low, actually. Real hams wear headphones. :-) Mos
OK, here's how to do it cheap and dirty....First, salvage that 12v muffin fan off of that computer power supply that you've been kicking around under the repair bench for months. Next, rummage the ju
I added a small thermal switch rated at 135 deg F. to the heat sink of my CORSAIR II and a small DC fan. I have noticed that the normally open ( N O ) contact only close on long CW transmissions. I f
I've been following this thread with interest and have implemented all the improvements on my Argosy II (Bigger heat sinks, muffin fans, heat sink compound, switches, etc). Now my only problem is tha