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500W 500 Watt FM Broadcast Transmitter Amplifier S76005 Eddystone Broadcast.
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The S76005 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.

Eddystone S76005 FM transmitter amplifier 500w 500 watt fm broadcast transmitter

The S76005 500W FM Broadcast Transmitter amplifier features the highly modular architecture for which Eddystone units are well known. The use of 300W PA modules mean that servicing can be carried out with minimal reduction in output power. The design also features highly efficient hot pluggable switched mode power supplies again intended for ease of servicing.
Special Features

- Compact Amplifier 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 supply with PF correction
- Comprehensive remote control and monitoring facilities
- LCD display ensures easy local monitoring

Power Output
Operating Frequency
RF Output Load
RF Output Connector
Maximum VSWR
RF Harmonic Output
Spurious Radiation

Overall Efficiency
Mains Power Supply
Power Factor
Ambient Temp Range

500W (Adjustable from +0.5 to -10dB)
87 to 108 MHz
50 ohm unbalanced
7-16 (female) DIN (7/8” available on request)
Able to maintain full power at 1.5:1 before protection cuts in
Better than -70dBc
Better than -95dBc in the range 87.5 to 137MHz
> 0.5MHz from the carrier
Better than 50% but subject to configuration and installation details
Single phase 176- 264V
Better than 0.9
0ºC to +55ºC at an altitude up to 3500M
Power Amplifiers
The drive input is taken to the splitter module and then fed straight to the power modules. These use a dual packaged MOSFET of rugged design mounted on a substantial heatsink assembly. DC power is fed to the RF modules from the switched mode power supplies.
The S76005 has 1 power unit, with the option of a second unit. Each of which can support the amplifier load. Local control of the module is based on PIC technology. This controller transmits any necessary information needed by the central transmitter control module which is also micro processor based and displays local information on an LCD screen. The RF power is fed to the 2 way Wilkinson based output combiner module. The combined RF output is fed through the harmonic filter and then to the output coupler.





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Cooling Systems
Standard cooling is achieved by 2 built in fans mounted on the rear of the amplifier. These draw air through the power amplifiers from front to back. Special air handling to suit systems built into premises is available.

System Overview
The drive input is fed to an internal 2 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 1 or 2 (option) 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 2 Power modules are combined via a highly efficient 2 way common rail Wilkinson combiner. The
combined RF output is then fed to the output coupler and harmonic filter.

500W 500 Watt FM Broadcast Transmitter Amplifier S76005 Eddystone Broadcast.
The S76005 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.

FM Radio Broadcast Transmitter Transmitters
Eddystone, broadcast, VHF, FM, band II, transmitters, radio, manufacture, s7600, s76005, s7601, s7602, s7603, s7604, s7605, s7608, s7610, s7616, s7620, e2021, e2022, e2023, e2024, e2025, e2026, high power, low power, medium power, RVR FM BROADCAST EQUIPMENT

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