On amazon I went with a linear power supply.
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It has adjustable current limit that trips if something goes wrong.
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I think you need a supply that can put out something approaching 5 amps @20vdc
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I have seen the readout show over 4.5 amps on transmit.
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KORAD KD3005D - Precision Variable Adjustable 30V, 5A DC Linear Power Supply Digital Regulated Lab Grade…
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