[50mhz] Microwave module transverter question

Roger Shultz nj2r at earthlink.net
Thu Feb 14 22:19:51 EST 2008


The Microwave Modules transverter I have had for many years is the
MMT144/28. It requires only from 1/4 mw to as much as 300 mw of drive to
produce 25 watts output. It was the later production version of the earlier
10 watt "black box" Microwave Modules versions. The MMT144/28 also has a
provision for doing a front panel 600 KHz +/- offset so repeater operation
is possible from a radio that can't do split operation or has a single VFO.
A 6 meter version was also produced.

Supply voltage for all versions is 12 volts. Operation has been trouble free
and I have owned this one for at least 20 years, driving it originally with
a TenTec Triton IV, an ICOM 745, then a Kenwood TS-940AT and now my current
ICOM 756 PROII. 

The older "black box" transverters are also very good and not expensive.
Their drive level ranges from a few milliwatts to a couple of watts as I
recall.

If I wanted a new unit and a Microwave Modules transverter was not
available, as an alternative source, I would purchase an Elecraft
transverter which seem to be about as good as they get for the price these
days.

73, Roger, NJ2R



-----Original Message-----
From: 50mhz-bounces at mailman.qth.net [mailto:50mhz-bounces at mailman.qth.net]
On Behalf Of Ed Rodriguez
Sent: Thursday, February 14, 2008 5:57 PM
To: vhf at w6yx.stanford.edu; 50mhz at mailman.qth.net
Subject: [50mhz] Microwave module transverter question

Has anyone had the experience in using a Microwave module transverter that
is capable of working on 10 to 2 meters and 2 meters to 10 meters? 

I think it requires 10 watts to drive//

Thanks
Ed
Wp4o
Moderator: Ray Brown, KB0STN
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