提出了一种紧凑型的PIN二极管微波开关电路设计。在并联型PIN二极管单刀双掷开关电路设计的基础上,提出了单刀九掷开关电路结构。工作频带宽度为800 MHz。该开关电路可承受连续功率为45 d Bm,电路实测结果为所有通路的插入损耗绝对值不...提出了一种紧凑型的PIN二极管微波开关电路设计。在并联型PIN二极管单刀双掷开关电路设计的基础上,提出了单刀九掷开关电路结构。工作频带宽度为800 MHz。该开关电路可承受连续功率为45 d Bm,电路实测结果为所有通路的插入损耗绝对值不大于1.6 d B,关断时的隔离度绝对值不小于53 d B,通路输入输出驻波比小于1.55,开关时间为450 ns。展开更多
A multi-band/multi-mode single-pole nine-throw (SP9T) switch for GSM/UMTS (global system for mobile communications/universal mobile telecommunication system) systems is demonstrated.The switch consists of a GaAs 0.5μ...A multi-band/multi-mode single-pole nine-throw (SP9T) switch for GSM/UMTS (global system for mobile communications/universal mobile telecommunication system) systems is demonstrated.The switch consists of a GaAs 0.5μm pseudomorphic high-electron mobility transistor (pHEMT) radio frequency (RF) switches module and Si complementary metal-oxide-semiconductor (COMS) digital module with an encoder and a DC boost circuit.High isolation and high linearity are achieved by a series-shunt switch structure and the DC boost circuit,respectively.The switch shows a measured insertion loss of 0.4 dB at 0.8 GHz for GSM transmit arms,0.7 dB at 0.9 GHz and 0.9 dB at 1.8 GHz for GSM receive arms,and 0.6 dB at 1.8 GHz for UMTS arms.The switch introduces 2nd and 3rd harmonic suppression levels less than 64 dBc at 37 dBm input power.Isolations between transmit and receive terminals are more than 48 dB when one transmit arm is activated.The size of the RF switches module is 1.5 mm×1.1 mm,and the size of the digital module is 1.3 mm×0.63 mm with gold bonding wires connecting these two modules.展开更多
文摘提出了一种紧凑型的PIN二极管微波开关电路设计。在并联型PIN二极管单刀双掷开关电路设计的基础上,提出了单刀九掷开关电路结构。工作频带宽度为800 MHz。该开关电路可承受连续功率为45 d Bm,电路实测结果为所有通路的插入损耗绝对值不大于1.6 d B,关断时的隔离度绝对值不小于53 d B,通路输入输出驻波比小于1.55,开关时间为450 ns。
基金supported by the National Natural Science Foundation of China (No.60971058)the Natural Science Foundation of Zhe-jiang Province,China (No.R107481)
文摘A multi-band/multi-mode single-pole nine-throw (SP9T) switch for GSM/UMTS (global system for mobile communications/universal mobile telecommunication system) systems is demonstrated.The switch consists of a GaAs 0.5μm pseudomorphic high-electron mobility transistor (pHEMT) radio frequency (RF) switches module and Si complementary metal-oxide-semiconductor (COMS) digital module with an encoder and a DC boost circuit.High isolation and high linearity are achieved by a series-shunt switch structure and the DC boost circuit,respectively.The switch shows a measured insertion loss of 0.4 dB at 0.8 GHz for GSM transmit arms,0.7 dB at 0.9 GHz and 0.9 dB at 1.8 GHz for GSM receive arms,and 0.6 dB at 1.8 GHz for UMTS arms.The switch introduces 2nd and 3rd harmonic suppression levels less than 64 dBc at 37 dBm input power.Isolations between transmit and receive terminals are more than 48 dB when one transmit arm is activated.The size of the RF switches module is 1.5 mm×1.1 mm,and the size of the digital module is 1.3 mm×0.63 mm with gold bonding wires connecting these two modules.
