The S7602 FM transmitter is an evolution of the highly modular architecture
for which Eddystone Broadcast transmitters are known. The use of 300W
hot-pluggable Power Amplifier modules means that removal of amplifiers
can be carried out with minimal reduction in output power. The design also
features highly efficient hot-pluggable switched mode power supplies which

also provide ease of servicing. Both PA and SMPSU modules are common to the entire 7600 range from 500W to 20kW, resulting in greatly reduced spares holding costs for networks and groups.

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System Overview

The drive input is fed to an internal 8 way splitter which provides the PA module input drive. Each E2021 Power amplifier
uses dual packaged MOSFET’s mounted on a substantial heatsink assembly with minimum airflow over RF components.
DC power is fed to the RF modules from the 4 switched mode power supplies. Internal control and self protection in case
of reverse power, excess current or over temperature is handled within each individual E2021 power amplifier module
with all monitoring being microprocessor derived. Each module transmits its internal parameters to the central
transmitter controller/monitor (E2023) and parameters are displayed on an easy to read backlit LCD screen.
Outputs from the 8 Power modules are combined via a highly efficient 8 way common rail Wilkinson combiner. The
combined RF output is then fed to the output coupler and harmonic filter.

Features

Compact Amplifier and PSU Modules are replaceable On Air
Fully compliant with ETS 300 384 specification for FM transmitters
Easily configured into a wide range of system architectures
Uses highly efficient SMPS power supplies with PF correction
Comprehensive remote control and monitoring facilities
LCD display ensures easy local monitoring

Cooling Systems

Eddystone Broadcast low power transmitters have self contained redundant cooling fans mounted on the rear of the
transmitter. This cooling system can be ducted if required and bespoke systems can be provided to meet special
requirements.

Specifications

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Eddystone Broadcast S7602 2kW FM Transmitter

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PRODUCTS