Re: [Amps] RF-KIT SS AMP

[charlie carroll <k1xx@xxxxxxxx>]

Herb:
The PA is run from a 48V (3kw) switcher by Huawei.  I believe the model 
number is R4850G2.  Check out the datasheet to see the size.  12V is 
used for other stuff in the amp.
73 charlie, k1xx

On 5/31/2017 2:36 PM, Herbert Schoenbohm wrote:
> Interesting amplifier and the price is competitive.  What I don't see 
> is the power supply since to do 2.5 KW that would take a massive box 
> with a big transformer and filter. Maybe they stack a bunch of 48volt 
> DC switching supplies some where but that would take up a lot of 
> space. Yet the specs say it run on 12VDC.  That would be about 200 
> amps and wire the size of your arm....someone please explain.
>
> Herb, KV4FZ
>
>
> On 5/31/2017 1:18 PM, Alex Malyava wrote:
> > It does have 2kW LPF.
> > The price is about 2700 without antenna tuner and 3000 with antenna 
> > tuner.
> > I have a google photo album with pictures I took in Dayton -
> > https://goo.gl/photos/N5FRkh9fG7KHnFzr5
> >
> >
> > On Wed, May 31, 2017 at 9:48 AM, <w8hw@xxxxxxxxxxx> wrote:
> >
> > > It is also missing LPF (Low Pass Filter) and that is most important, 
> > > You
> > > will need a minimum of 6 filters. Additionally you will need either a 6
> > > position wafer switch or will need to build communication path to 
> > > you your
> > > exciter for filter selection. Perhaps other hardware.
> > >
> > > 73, Bruce, W8HW
> > > =========================
> > >
> > > -----Original Message----- From: Jim Monahan
> > > Sent: Wednesday, May 31, 2017 08:26
> > > To: amps@xxxxxxxxxxxxxx
> > > Subject: [Amps] RF-KIT SS AMP
> > >
> > >
> > > With all of the discussion recently about SS amps, here
> > > is one that might be worth checking out:
> > >
> > > http://rf-kit.de/en/2k_Kit.php
> > >
> > > RF-KIT, a firm based in Germany, was exhibiting a legal-limit HF 
> > > Amplifier
> > > Kit at the Hamvention. The unit on display was using two LDMOS power
> > > devices and sported a 7" color touchscreen for amplifier control and
> > > status. The kit includes everything necessary to build the amplifier 
> > > except
> > > the Raspberry Pi 3 CPU, and three fans. The company's literature states
> > > that it can be built in less than a day.
> > >
> > > Jim, K1PX
> > >
> > > K1PX at msn.com
> > > _______________________________________________
> > > Amps mailing list
> > > Amps@xxxxxxxxxxxxxx
> > > http://lists.contesting.com/mailman/listinfo/amps
> > > _______________________________________________
> > > Amps mailing list
> > > Amps@xxxxxxxxxxxxxx
> > > http://lists.contesting.com/mailman/listinfo/amps
> > _______________________________________________
> > Amps mailing list
> > Amps@xxxxxxxxxxxxxx
> > http://lists.contesting.com/mailman/listinfo/amps
> _______________________________________________
> Amps mailing list
> Amps@xxxxxxxxxxxxxx
> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@xxxxxxxxxxxxxx
http://lists.contesting.com/mailman/listinfo/amps