| 摘要 |
An amplifier system and device, which relate to the field of communications and solve the problem of low power amplification efficiency of an amplifier in the prior art, the amplifier system comprising: at least two stages of amplifiers which are sequentially connected, wherein a static working current value of an Nth stage amplifier of the at least two stages of amplifiers is a value which is obtained after a first value is reduced by a first pre-set multiple, and a static working current value of an (N-1)th stage amplifier is a value which is obtained after a second value is increased by a second pre-set multiple; the first value is a static working current recommendation value corresponding to the Nth stage amplifier, N being any integer greater than or equal to 2; and the second value is a static working current recommendation value corresponding to the (N-1)th stage amplifier. The present solution effectively improves the power amplification efficiency while ensuring a power amplification link linearity. |
