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Click [here] for guidline pricing. Costs are fluctuating all the time (usually upwards) and the prices shown are indicative only. We operate on a non-profit basis and so there is no slack to absorb increased costs. For a personalised quote (you may already have some parts yourself) including delivery contact Eric GW8LJJ [here].

PUWMA pulse width modulator




Part of the FAT5 transmitter project, the PUWMA pulse width modulator is an alternative  to the conventional series modulators offered. Modulator efficiencies of around 95% are achieveable, reducing power supply and heatsink requirements. Less experienced builders are urged to experiment with the other modulators before tackling this one. PUWMA is capable of mopdulating a 100W carrier Class E PA

Download more information on PUMA [here]
 
 
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