A 45-2500-MHz Push-Pull Driver PA With Cross Coupled and Negative Feedback Technique

被引：3
作者：
Ren, Daming [1 ]
Zou, Wei [1 ]
Zhang, Kefeng [2 ]
Zou, Qiming [3 ]
Zou, Xuecheng [1 ]
Liu, Dongsheng [1 ]
Ren, Zhixiong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China
[2] Wuhan Syntek Technol Co Ltd, Wuhan 430074, Hubei, Peoples R China
[3] Univ Nebraska Lincoln, Dept Elect & Comp Engn, Lincoln, NE 68588 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2019年 / 29卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Bandwidth; Linearity; Capacitance; Broadband communication; Wireless communication; Transistors; Optical transmitters; Broadband; cross-coupled capacitor; driver power amplifier (DPA); negative feedback resistance (NFR); CMOS POWER-AMPLIFIER; BAND;
D O I：
10.1109/LMWC.2019.2943571
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Derivative superposition technique (DST) is a common linearization technology for designing driver power amplifier (DPA). However, the performance of DST is sensitive to frequency variation. This letter presents a method to improve the 1-dB bandwidth of the DST. The negative feedback resistance (NFR) and cross-coupled capacitance (CCC) are combined with DST as the core of DPA which is applied to a 45-2500-MHz wireless transmitter. The DPA implements a good performance in the measured 193 relative bandwidth. The linearity is measured with 1-dB compressed output power from 9 to 10.2 dBm and the third-order intermodulation less than -37.23-dBc over the whole frequency band. The overall die area of the PA is 0.044 mm(2) at TSMC 180-nm technology process, and it draws 22.8 mA from the 1.8-V supply voltage.
引用
收藏
页码：718 / 721
页数：4
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