[ARC5] 12 V Power pentode.

[Arden Allen]

> .....What if you had a device the size of a quarter-
would fit right at the base of a tube.
It can handle up to 3 Amps.
Input 4.5-28 V.  Output adjustable  0.8-20 V.
Cost for this little gem?  99 CENTS with free shipping ........

........http://www.ebay.com/itm/371451400661

As eBay descriptions are often in error, is this magic device really a step 
up/step down DC-DC converter?

Arden Allen
KB6NAX

He who is cruel to animals becomes
hard also in his dealings with men.
We can judge the heart of a man by
his treatment of animals.
—Immanuel Kant