Why do DAB radios eat batteries?

The DAB chipset is quite power hungry whereas a couple of chips for an FM radio take next to nothing.

We have the same problem in the USA with our HD FM radio. The initial chipsets were designed for use in automotive receivers where power consumption is not an issue. The materials and designs for ultra low power use by portable devices are more expensive and difficult to produce on a prototype basis.

They will come eventually.

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