On May 13, 2007, at 12:42 PM, Joan Cortes wrote:

Hello,

Anyone knows the reasons that make the transceiver CC2420 to consume more current receiving than transmitting.

Thanks,

Circuitry. In low-power radio chips, less than 2% of the energy consumed goes into RF. Most of it is the electronics. It's often simpler (electronics-wise) to modulate a signal than it is to demodulate it. For the CC2420, that's the case, so the RX draw is higher.

Phil
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