Telecoms, Datacoms, Wireless, IoT


Multi-channel RF synthesisers

4 November 2015 Telecoms, Datacoms, Wireless, IoT Test & Measurement

The Holzworth HS9000 Series multi-channel platform is designed to achieve optimal channel-to-channel stability across all integrated channel synthesisers via a conductively cooled, fanless enclosure. Specific attention is paid to phase coherency between the independently controllable channels.

Allowing the user to specify custom configurations for a COTS product, the units are loaded with anywhere from 1 to 8 channels with the additional flexibility to specify each channel’s frequency limits and performance options. The result is a high-performance, multi-channel synthesiser that is tailored to an application with an optimal price point.

Each RF output is driven by a separate, internally loaded synthesiser module. Up to 81 independently tuneable synthesisers can be specified per 1U chassis, catering for the highest integrated channel density available in its class. With an average power dissipation of 7 Watts per channel, the HS9000 series is highly efficient.

These synthesisers offer the benefits of a proprietary, non-PLL based synthesis architecture. Coupling the NON-PLL architecture with a centralised reference distribution subsystem enables a truly phase coherent relationship across all integrated channels. This architecture also creates precisely synthesised signals that exhibit both instantaneous and long-term stability; temperature variations between the channels remain the only contribution to drift. The thermally optimised, fanless chassis was specifically developed for maintaining the lowest possible thermal gradients from channel to channel.

Holzworth multi-channel designs are integrated into precision applications that range from particle accelerator timing clocks to satellite position tracking. Due to the necessity for the ultimate in signal stability, Holzworth synthesisers also come standard with thermal monitor outputs to track the relative channel temperature of each loaded channel.

For more information contact Andrew Hutton, RF Design, +27 (0)21 555 8400, andrew@rfdesign.co.za, www.rfdesign.co.za



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