[Amps] need a channel 11 VHF high band TX? tspa

[Carcia, Francis A HS]

Hi,
Take a look at the IXYS IXZ210N50L with "S" specs to 500 MHz. WA1GFZ

-----Original Message-----
From: John T. M. Lyles [mailto:jtml at lanl.gov]
Sent: Friday, April 01, 2005 2:52 PM
To: amps at contesting.com
Subject: [Amps] need a channel 11 VHF high band TX? tspa


I am developing an RF amplifier system for the particle factory, with 
a nice new tetrode. However, I need a new driver, as I am replacing 
the original two tube system with a single tube driven by silicon- 
based technology. However, getting that stage hasn't been so easy. It 
operates on 201 MHz, close enough to VHF high band TV that I could 
use a transmitter, stripped of all the HDTV hardware (or NTSC for 
that matter). I need 25 kW of peak output, from a pulsed AB1 linear 
amplier. Its right at the point where MRF151G, MRF174, etc start to 
crap out of gain/power/bandwidth. Its a BIG transistorized amplifier 
for me, otherwise would love to build it. What a project. We plan to 
visit NAB this month in Vegas  and kick the tires on a couple of 
major brands.

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