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10 KW FM Transmitters Swap Series
Is a 10.000 Watt Modular Combined FM Transmitter Air Cooled High Efficiency Stereo Analog & Digital DDS Frequency Modulation 88 to 108 MHz.
The entire system benefit of the optimum characteristics of the base module VL Amplifier.
The VL Amplifier are each of them a complete a functioning module with it’s own power supply ventilation, control logic and output filter, so, as the opposite of the standard plug-in transmitters bricke lives by themselves witch facilities the maintenance and the test: no need of special tools, each module can be connected and installed or tested as a single amplifier.
Developping the VL Amplifier our engineers concentrate all the effort on: minimize weight, cost, power consumption and heat produced, and maximize: efficiency, reliability, electrical performance, connectivity and easy maintenance.
A single VL Amplifier can be put on air as back-up of a bigger transmitter.
Shock and vibration during the transportation process can compromise the result of an installation, optimizing the VL Amplifier package allow our engineers to meet the most demanding transport conditions for hermetic, temperature control and vibration and Shock Isolation.
Compact and well isolated up to twelve way 20 kW PC Power Combiner, ultra-broadband, phase stable, low loss and showing more than 20 dB of additive harmonic filtering.
Soft controlled sequential start-up reduce inrush current during OFF to ON transition.
FM transmitters featuring only 800 mm rack depth and up to 40 kW FM in a single 19” rack.
Digital TV Transmitters up to 8 KW Wide Band Doherty (WBD) output power in a single 19” rack.
Hardware and Software Protections
Over and Under Voltage DC, Over and Under Voltage AC, RF and Power Supply Temperature, RF Coaxial
Output Open or Short Circuit
Capability of a long working time on Short/Open loads at all phase angles without any damage.
Last generation 1400 W LDMOS, VSWR > 65:1 @ all Phase Angles, designed for enhanced ruggedness ISM applications and plasma generators.
Integrated AC Mains filtering.
Integrated lightning protection.
Delayed energized of the system after Mains Power Blackout prevents against peaks and high variation voltages typical of this events.
Soft controlled sequential start-up so to reduce the Inrush current during OFF to ON transition.
WEB/SNMP Telemetry and Remote Control
Full Local or Remote control by by logon username and password.
Remote control with Smartphones or Tablet.
Host Logic and tele-measurement (TM, TC & TA).
Remote control and monitoring via SNMP and/or WEB interface.
With logbook or log file to record error or alarm message.
Display of forward/reflection power value and reflection high alarm.
Human Interface
Each module is equipped with a logic controller that allows full control by a local operator.
All transmitter and amplifier parameters required for diagnostics can be retrieved locally or remotely via standard (IP) protocol and standard software (web browser, SNMP).
Multilingual user guidance.
High Definition, high contrast Color Oled display.
Quick set of thresholds for protections level. This set is based on assignment of three “flavors” or PERSONALITIES: Conservative (primary target = protect itself), Standard (balanced), Aggressive (primary target = transmission without interruptions). N+1 and Backups systems
Conventional standby systems such as: exciter standby, (n+1) Transmitter standby, passive standby and active output stage standby can be implemented.
No additional control units are needed for the exciter standby and the active amplifier standby.
LD Tech HIGH Efficiency
Very high efficiency (more than 75% for a complete 5 kW amplifier).
Last LDMOS technology for power modules.
Ultra High RF efficiency (>80 % typ.) software optimized for each power level.
Lowest weight and dimensions in the industry.
Lower device heating.
Lower room heating.
Lower space occupied.
Lower maintenance needed.
Small dimensions and low weight, reduce transportation costs and simplifying the logistic.
Longer Component Lifespan.
Reduced Electricity Costs.
Lower Maintenance Costs.
Reduced Cooling Costs.
Fewer Fans.
Driver included on the VL Amplifier
Maximum redundancy with virtual bottleneck elimination due to presence of a driver stage (LDMOS) on each plug.
Low power exciter due to presence of a driver stage (LDMOS) on each plug.
Low power splitters.
No PA changeover required.
Power Supply Redundancy
Maximum redundancy due to presence of a compact reliable power supply on each plug
Highest reliability supply configuration.
The SMP Module includes a very efficient AC-DC (typ > 95%) SMPS (Switch Mode Power Supply).
Electrical Characteristics
Very high harmonics suppression (-90dB).
Independent, individual APC (Automatic Power Control) circuit maintain a constant output power set.
Frequency-response-compensated directional couplers and precision internal indicators.
Distributed less binding Low Pass filter.
Maintenance Facility
Power Unit and Amplifier Hot swapping: plugs can be extracted/inserted without switch-off the equipment.
Zero-Current and Zero-RF Plug-in insertion/extraction system.
Universal spare parts: each plug is phase and amplitude characterized.
Worldwide available spare part for power Supply (GE-General Electric).
Any VL amplifier can be interchanged with any other in the same TXM transmitter or with a spare. No adjustment or program of any kind are needed.
Smart Air filter included easy to clean or replace.
Zero-Current and Zero-RF Plug-in insertion/extraction system.
90% of spare parts shared between FM transmitters.
Optimized Air Flow Paths avoid damages on the electronic boards.
The path of the air inside the transmitter to avoid contact with the electronic boards.
Tropicalizzation of all the components against dust, humidity and pollution.
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