Hi all,
Here's a complete 903 transverter/amplifier setup that i am selling which
belonged to Stan, K3IPM, you may have worked it during the past couple
January contests! All the gear has been used ONLY during january contests for
the past 4 years with the exception of the Tohtsu relay and preamp which were
new last year. The transverter is the modern type in the clamshell box with
Helical resonators and a PF0011 10 watt hybrid module in the output, ATF101
GaAs FET in the front end, adjustable drive level up to 10w or so. The amp runs
on 12 volts (not 24 like some of the surplus stuff, so convenient for rover)
and similar to the old DEMI 2335PA which used a pair of discrete transistors
combined with Sage wireline. This one is setup for Gnd to TX instead of the
normal +12 to TX. (It's a 'straight thru' amp, no RF switching). Preamp is
the old 33LNA in the small 2" x 4" diecast (non-waterproof) box. All this
stuff has been set up as a unit and works well at well o
ver 40 watts out. The amp is probably a bit drive starved.. I am selling the
components separately but will offer a discount if you buy the whole package..
DEMI 903-144 10 watt 903 transverter common IF, split RF. $280
DEMI 3350PA 10 watt in - 50 watt out linear power amp using combined 2SC4624,
12 volt (Steve says this was a production model for a short time). $160
DEMI 33LNA 903 preamp GaAs FET, <1dBNF >12db gain, type N in and out $50
Tohtsu CX520D type N coax relay 12v, one year old, only used for ONE contest
$60
ALL of the above $500 and will throw in the interconnecting cables and small
keying circuit to make all above work together with single PTT line, (PTT-L)
all in perfect working condition. Shipping extra, PayPal payment preferred.
can send pix if you want!
bill, k1DY in Maine
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