12/20/2023 0 Comments Xiegu g90 ham radio deluxeMaybe buying a power supply with the ICAS rating will be fine with you if you use a mode of operation (intermittent SSB) with plenty of time for the transformer and transistors to cool down after current peaks. This assumes a duty cycle of 50% on the transmitter for no longer than 3 minutes, immediately followed by 3 minutes of low current (receiver) operation. Quite a bit of the power supplies sold to the amateur community is specified using ICAS (intermittent commercial and amateur service). This is when your radio is transmitting the maximum power, with a fully modulated carrier, continually. This assumes that the transmitter duty cycle may be at 100%. Here is something to think upon when selecting a DC power supply for any radio Ĭommercial equipment will give an amperage rating on a supply using CCS (continual commercial service).
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