Here you will find the links to information and documentation about G4HUP products that are no longer available.
Whilst full kits are no longer available, all documentation can be accessed here, and I may still have PCB’s and some of the components. It’s always worth asking!
Flexible Direct Frequency Synthesiser
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DFS30 etc
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Distribution Amplifier DA1-4L
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While much of the information and performance data for the current models also pertains to the older DA1-4L and DA1-4G, specific details can found by clicking the above links which will take you to the DA1-4 Technical Manual.