October 20, 2004
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Recent advances in earth station
architecture are increasing SATCOM performance while keeping costs
low. Sophisticated low-cost, high performance L-Band up and down
converters continue to contribute to this positive performance trend.
 The
new VertexRSI LT-3600 Up and Down Converter represents the latest in
this new class of converters.
L-Band converters use frequency synthesizers designed and produced
in high volume for cellular and PCS applications, which makes them
more cost-effective to buy. When used in newer earth station
configurations, L-Band converters supply frequency agility and
excellent phase noise and spurious performance at a much lower cost
compared to older configurations.
The VertexRSI LT-3600 UP/Down Converter is a convenient, low-cost
solution for systems requiring a 70 MHz (or optional 140 MHz) to
L-Band interface. Housed in a low-profile single rack unit (1.75in)
chassis, the LT-3600 synthesized up and down converters use a
dual-stage conversion design, providing high-performance over a full
575 MHz bandwidth. The extended band version
increases the bandwidth to 875 MHz.
James Hurlburt, Product Line Manager, said, "Like
the VertexRSI
LT-3000 L-Band converters,
the LT-3600 version is very easy to install, program and monitor. Each converter features
an on-board micro controller that can be accessed by a front panel
keypad or an RS-232 or RS-422/485 interface located on the rear
panel. This interface allows users to program the synthesizers,
calibrate control of transmit gain or receive gain, and make
frequency offset adjustments. Detected transmit and receive signal
levels along with alarm conditions may also be monitored through the
serial interface."
Both up and down converters can feed DC power and a 10 MHz reference
out of the transmit or receive ports to supply either a phase-locked
Block Up Converter (BUC) or Low Noise Block Converter (LNB).
"When combined with a VertexRSI C, X or Ku-Band solid-state power
amplifier, BUC and LNB, the LT-3600 converter provides a
high-performance, cost-effective transceiver solution for a variety
of communications systems," Hurlburt said.
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For more information about the
VertexRSI LT-3600 Up/Down Converters, contact Brent Jones, Sales
Engineer, at 903-295-1480 Ext. 206 or via e-mail at
brent.jones@tripointglobal.com. General Dynamics C4 Systems SATCOM
Technologies offers a family of satellite and wireless
communications products and services under its VertexRSI, Prodelin
and Gabriel brands. Visit our web site at
http://www.tripointglobal.com/
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