[Amps] 3CX1500A7/8877

Jeff DePolo jd0 at broadsci.com
Mon Feb 13 11:15:47 EST 2017


> Around 1980-84, I was an RF engineer on a team that built a series of 
> new FM broadcast transmitters in Quincy, Illinois. All were tetrode 
> designs using the newest tubes with handles from Eimac at the time, 
> 4CX3500A, 4CX7500A, 4CX12,000A/8989, and 4CX20,000A/8990. 

John,

Were you on the design team for the BE transmitters of that era that started
the "folded half-wave" cavity design, eliminating plate blockers?  If so,
kudos to you.  I've had the pleasure (mostly pleasure anyway, hi) of
installing and maintaining many of them over the years.

				--- Jeff WN3A



---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus



More information about the Amps mailing list