Low dimensions and weight. Designed to fit
into space-limited facilities, FS series transmitters feature one
of smallest dimensions and weight in the industry, simplifying transport,
installation and maintenance.
COLD-FET™ technology. This revolutionary technology,
a ITEL's international patent, is used in the FS series transmitters
to optimize the MOSFET's output matching in order to obtain broadband
amplification stages without any RF component. This means:
- higher RF efficiency > 83%
- lower heating
- higher devices safety
- higher total reliability
- low AC power consumption
MosFets Safety. The COLD-FET™ technology permits
to obtain from the PA the full power rating reducing of almost 15%
the MosFets recommended operating DC voltage and current.
Uninterrupted service. A true proportional
foldback protection circuit keep the transmitters always on the air
reducing the output power in case of:
- antenna VSWR
- environmental over-temperature
- failure in one or more amplification modules
- failure in one or more power supply modules
Frequency-agile FS series transmitters are
fully broadband. All RF stages, comprising the output filters, can
operate on any FM channel, selectable via a integrated digital selector
or remotely (optional).
On-air serviceability. Power amplifier modules
can be safely removed during operation, for on-air maintenance. Failure
or module removal keep always transmitter on-air.
Modular assembly. Easy removable identical
and interchangeable power amplifier modules reduce spare requirement
and service costs.
Automatic power control circuit maintains
constant RF output with precision (±1%).
Advanced controller provides full front panel
transmitter control capabilities and extensive metering of individual
modules. Standard or special remote control interface is also available.
Power supply. A rugged, high-efficiency (>
93%) power supply support each PA module and can be on-air removed
and replaced. Power supplies are protected from incoming AC line overvoltage,
overcurrent, transient and lightning.
High redundancy. High on-air reliability is
assured by using multiple power amplifier modules, each comprised
of four individual PA's, with independent power supplies and optional