And critical techniques like ka waveband solid - state circuit designing and structure machine designing are mastered . finally , our 8mm pa has an output power level of 25 . 6dbm , a 11 . 5 - db power gain and 13 . 1 % power - added efficiency ( pae ) , which meet our design requirements 其中,在毫米波功率放大技術中,著重解決了因芯片體積小而產生的設計加工難度較大的問題,突破ka波段高效固態電路設計和結構工藝設計等關鍵技術,實現了毫米波功率放大器的制作。