1. A circuit comprising: an amplifier control node; an amplifier output node; a first plurality of spatially distributed final amplifier stages, each having a respective input coupled to the amplifier control node, each having a respective output coupled to the amplifier output node, and each comprising a first circuit configuration; and a second plurality of spatially distributed final amplifier stages, each having a respective input coupled to the amplifier control node, each having a respective output coupled to the amplifier output node, and each comprising a second circuit configuration different from the first circuit configuration.