At 05:04 PM 2/12/2007, you wrote:
>His failure is hardly due to running the supply right at its maximum >continuous rating. >NEXT? <---I would submit that metal migration within the diodes was a factor in their failure. (I first heard about this when I worked at TRW in the 1970's and RF power transistors were still kinda "new") http://www.ridgetop-group.com/docs/prognostic_techniques.pdf Ken ------------------------------------------------------------------------------ President and CTO - Arcom Communications Makers of the world famous RC210 Repeater Controller and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net

