Visjnoe wrote on Jul 2nd, 2009, 4:48am:I mean, I understand what the difference is, but for what reason would one prefer one method over the other as a means of power control?
If output power is not so large, you can use one PA with output power control. but for large output power, one PA is not enough, you have to use power combining technique. And you can control each PA, and also you can make controlling within each PA if needed.