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Converted CH0 six meter amplifiers 24 volts Melbourne TV broadcast system
Posted: Thu Nov 12, 2020 5:49 am
by VK3XZ
Hi I was given this converted commercial 6 meter amplifier from the close down of 6 meter TV in Melbourne Australia between 2010-2015. It was converted by an Amateur Radio Group in Melbourne Aus. I cannot see any name on the amp and few numbers. It requires a keying circuit not included. If someone has information on these units I would like to get mine in operation. 300 watts I believe. I would like contact info and any diagrams names etc. It is quiet heavy with a large Heatsink. a BNC connector for input and N connector for output. cannot read most other things very well. a power lead red/black. If anyone remembers this project or who did these help would be most appreciated. 73 Mike vk3xz
Re: Converted CH0 six meter amplifiers 24 volts Melbourne TV broadcast system
Posted: Thu Nov 12, 2020 11:41 am
by VK2AZ
Re: Converted CH0 six meter amplifiers 24 volts Melbourne TV broadcast system
Posted: Thu Nov 19, 2020 3:36 pm
by VK4SY
Thank you kindly that is exactly correct! Now to get things operational for FT9 using my Elad QRP sdr! its driver is 0 db so should work with the amp 73 Mike vk4sy
Re: Converted CH0 six meter amplifiers 24 volts Melbourne TV broadcast system
Posted: Fri Nov 20, 2020 12:08 pm
by VK2AZ
Not a problem Mike,
Couple of things:
They are 28v and not 24v.
You can't legally run more than 120w pY on digital
Re: Converted CH0 six meter amplifiers 24 volts Melbourne TV broadcast system
Posted: Thu Dec 03, 2020 2:03 pm
by VK3XZ
Thanks. I only need 30 watts for Digital driving with my 0db Elad Qrp Transceiver. It can do 7 watts Max drive on normal output and 1mv or less on 0db. Should be fine. Great info 73 Mike