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Barrett Communications|28 August 2019

Barrett 4075 High-Power 1kW HF Transmitter

The Barrett 1KW High-Frequency (HF) Transmitter is a compact rack-mounted communications solution developed for base station applications in large HF networks.

Barrett 4075 high-power 1kw HF transmitter

The Barrett 1KW High-Frequency (HF) Transmitter is a compact rack-mounted communications solution developed for base station applications in large HF networks. The transmitter comes as a complete package with an exciter, power supply, power amplifier, interconnecting cables and all required rack mount hardware.

The 4075 linear amplifier is designed and engineered for modern communications that are heavily data orientated, requiring the equipment to work at high-duty cycles for extended periods of time.

The unique liquid cooled design increases efficiency resulting in less system deterioration due to overheating in the power stages, extending overall equipment service life. The compact rack mounted amplifier, together with its power supply occupies just 5U of cabinet space.

The Barrett 4075 amplifier natively supports the Barrett 4050 Transceiver / Exciter, which when coupled, requires no further tuning or adjustment. A flexible I/O interface and analogue ALC feedback provide the transceiver / exciter full control over final output power.

Intelligent electronic controls protect the 4075 from input and output overload while providing a sophisticated early warning and a diagnostic interface for system monitoring and event logging. Customisable auxiliary ports are also available for enhanced system control.

The 4075 system is field re-programmable via USB and Ethernet, allowing the end user to update system software. An on-board micro SD card provides enhanced flexibility for system language, display customisation and event logging.

The Barrett ISO9001 Quality Assurance Program ensures consistent performance and the highest reliability.

Barrett Communications has developed a new HF Software-Defined Radio (SDR) transceiver, the Barrett 4050 HF SDR, which incorporates a new generation of technology.
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