02/03/2010
| The Xicom XTRS-400X-B1 is a highly efficient rackmountable solid state power amplifier (SSPA) designed for fixed and mobile uplink applications.
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RF filters, isolators, cooling, and monitor and control (M&C) systems are all self-contained within the package.
Rack space is conserved because the amplifiers occupy only 7 rack units (12.25 inches) of a standard 19 inch rack cabinet. Nominal weight is 140 pounds.
The unit features a menu driven front panel display, RS-232/422/485 serial port and Ethernet interfaces for complete computer control. Forward power, reverse power and temperature, and default parameters are easily monitored on the four line front panel display.
Gain control is provided via the front panel or through the remote interfaces.
A high frequency resonant conversion power supply is used that accepts a wide range of prime power (90 to 264 VAC). Power factor correction circuitry is also included which minimizes line current distortion and reduces the required Volt- Amps input.
The amplifier includes an integrated L-Band Block Upconverter that interfaces to standard modems operating in the 950-1450 MHz range. The L-Band transmit signal and 10 MHz reference are brought to the unit over a single coaxial line.
Depending upon user requirements, this high power amplifier can be configured for single thread, redundant, or phase combined configurations.
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Posted by satcomresources
02/02/2010
The L-Band input interfaces to standard modems operating in the 950 – 1450 MHz range.
Intended for outdoor operation, the XTS-40X-B1 eliminates the need for a separate shelter. The construction and light weight allows for direct mount to the antenna. This eliminates long waveguide runs and associated RF losses.
Forced air cooling is implemented in the package to allow reliable operation over extended temperature ranges. The monitor and control (M&C) interface provides a component system status.
The block upconverter operates from an external, weatherized power supply which provides the system DC sources.
The L-Band transmit signal and 10 MHz reference frequency are brought to the unit over a single coaxial line.
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Posted by satcomresources
01/04/2010
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The VertexRSI X-Band SSPAs incorporate a modular architecture that includes the RF modules, power supplies, logic, fans, and front panel assembly. |
Using technology developed for VertexRSI’s ModuMAX™ amplifiers, these rack-mount X-Band SSPAs offer output powers of 100, 125, or 200 watts across the standard 7.90 to 8.40 GHz satellite uplink band. The amplifiers are designed for reliable service in fixed and mobile applications.
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Posted by satcomresources
12/31/2009
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The VertexRSI C-Band SSPAs incorporate a modular architecture that includes the RF modules, power supplies, logic, fans, and front panel assembly. |
Using technology developed for VertexRSI’s ModuMAX™ amplifiers, these rack-mount SSPAs offer output powers of 100, 125, 200 or 250 watts across the standard 5.850 to 6.425 GHz or extended 5.850 to 6.725 GHz satellite uplink bands. The amplifiers are designed for reliable service in fixed and mobile applications.
C-Band SSPA Features
- 100/125/200/250 W saturated output power
- Digital gain adjustment (20 dB range)
- Forward and reflected power monitoring
- Microprocessor-based monitor and control
- Serial interface (RS232/422/485) standard
- 10 Base-T Network interface (SNMP, HTTP)
- RF input and output sample ports
- Integral 1:1 redundancy control
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12/23/2009
| The VertexRSI QuadMod SSPAs are completely modular RF amplifier systems that offer output powers of up to 800 watts in C-Band, 700 watts in X-Band, or 400 watts in Ku-Band.
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Based on technology used in VertexRSI’s field-proven ModuMAX amplifiers, QuadMod SSPAs utilize field-replaceable RF modules, power supplies and electronic assemblies to maximize performance and minimize downtime in SATCOM systems.
Since solid-state power amplifiers (SSPAs) consist of multiple transistors in parallel, they naturally contain a degree of built-in redundancy. With proper attention to design architecture, the use of multiple parallel RF modules, and the elimination of all active devices from the common RF path, VertexRSI has designed an SSPA that is reliable and extremely fault-tolerant.
Featuring a hot-swappable modular architecture for ease of maintenance, QuadMod SSPAs offer an economical extension of VertexRSI’s patented ModuMAX technology for systems requiring lower RF power output.
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Posted by satcomresources
12/22/2009
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The VertexRSI ModuMAX™ SSPAs are completely modular solid-state power amplifier systems for world-wide satellite communications. |
Most satellite earth stations cannot afford down time due to equipment failure, so they employ redundancy – two of everything – at a significant increase in cost and complexity. This made sense when the final amplifier stage was a single tube and thus a single point failure. However, now that solid state is a viable and practical amplifier technology, solutions other than brute-force redundancy make better sense.
The ModuMAX SSPA consists of eight identical, fully interchangeable RF plug-in modules that are conveniently accessible from the front panel. Module status is visually indicated by an LED on each module as well as the control panel display.
Complete failure of a module causes a drop of only 1.2 dB in output power without the momentary loss of signal caused by redundant switchover systems. Defective modules can be hot-swapped while the SSPA continues to operate. Spare RF modules are affordable, since they contain only a fraction of the RF power transistors in the SSPA.
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