A two-stage power amplifier operated at 925 MHz was designed and fabricated in Jazz' s 0.35μmSiGe BiCMOS process.It was fully integrated excluding the inductors and the output matching network.Under a single 3.3V...A two-stage power amplifier operated at 925 MHz was designed and fabricated in Jazz' s 0.35μmSiGe BiCMOS process.It was fully integrated excluding the inductors and the output matching network.Under a single 3.3V supply voltage,the off-chip bonding test results indicated that the circuit has a smallsignal gain of more than 24dB,the input and output reflectance are less than- 24dB and-10dB,re-spectively,and the maximal output power is 23.5 dBm.At output power of 23.1 dBm,the PAE(poweradded efficiency)is 30.2%,the IMD2 and IMD3 are less than- 32 dBc and-46 dBc,respectively.The chip size is 1.27mm ×0.9mm.展开更多
请翻翻后面,这组GLK-CLASS,我们一张全车图片未拍。欣赏它,一定要看特写镜头。我向来抵制电视剧,美剧概莫能外,所以对Sex and The City欠缺最起码的了解。去年GLK-CLASS最初公开露面,就在SATC的片场,一度使我暗暗心痛。这牵连,使我那时...请翻翻后面,这组GLK-CLASS,我们一张全车图片未拍。欣赏它,一定要看特写镜头。我向来抵制电视剧,美剧概莫能外,所以对Sex and The City欠缺最起码的了解。去年GLK-CLASS最初公开露面,就在SATC的片场,一度使我暗暗心痛。这牵连,使我那时对GLK-CLASS也缺乏好感,只觉得这Mercedes-Benz的超级新星,怎么长相那么奇怪。展开更多
基金Supported by the High Technology Research and Development Programme of China (2006AA03Z418)
文摘A two-stage power amplifier operated at 925 MHz was designed and fabricated in Jazz' s 0.35μmSiGe BiCMOS process.It was fully integrated excluding the inductors and the output matching network.Under a single 3.3V supply voltage,the off-chip bonding test results indicated that the circuit has a smallsignal gain of more than 24dB,the input and output reflectance are less than- 24dB and-10dB,re-spectively,and the maximal output power is 23.5 dBm.At output power of 23.1 dBm,the PAE(poweradded efficiency)is 30.2%,the IMD2 and IMD3 are less than- 32 dBc and-46 dBc,respectively.The chip size is 1.27mm ×0.9mm.
文摘请翻翻后面,这组GLK-CLASS,我们一张全车图片未拍。欣赏它,一定要看特写镜头。我向来抵制电视剧,美剧概莫能外,所以对Sex and The City欠缺最起码的了解。去年GLK-CLASS最初公开露面,就在SATC的片场,一度使我暗暗心痛。这牵连,使我那时对GLK-CLASS也缺乏好感,只觉得这Mercedes-Benz的超级新星,怎么长相那么奇怪。
