✦ LIBER ✦

A 42-GHz transmitter linearization using predistortion IF amplifier

✍ Scribed by Jeng-Han Tsai

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 287 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24351

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

This article presents a millimeter‐wave (MMW) transmitter linearization using predistortion IF amplifier. The predistortion IF amplifier was designed in 0.18‐μm CMOS technology at 2.4 GHz. It can provide predistortion function at IF port to linearize the whole MMW transmitter. The 42‐GHz transmitter module is custom design. After linearization, 8 dB ACPR improvement of the 42‐GHz MMW transmitter module can be achieved. The linear output power of the 42‐GHz transmitter module has been increased 2 dBm for the same linearity requirements. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1450–1452, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24351

📜 SIMILAR VOLUMES

Linearization of a 3.7 GHz multi-carrier

Linearization of a 3.7 GHz multi-carrier GaN HEMT Doherty power amplifier using digital predistortion method

✍ Jonghyuk Jeong; Juho Van; Jaeyong Cho; Min-Su Kim; Hanjin Cho; Kyung-Hoon Lim; S 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 753 KB

## Abstract In this article, a 3.7 GHz band Doherty amplifier based on GaN HEMTs, which is linearized using a digital predistortion method, is implemented for 4th generation wireless communication systems. The forward and reverse models of the Doherty amplifier for the predistortion consist of simp

Linear transmitter for a frequency-hoppi

Linear transmitter for a frequency-hopping system using an adaptive predistortion linearizer

✍ Kyeongwon Kang; Sangseol Lee 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 412 KB

## Abstract We have designed a linear power amplifier for a VHF frequency‐hopping (FH) transmitter using an adaptive predistortion linearizer. We employed an analog polynomial linearizer as a predistorter. In the predistortion linearizer, the recursive least squares (RLS) algorithm is employed for

A 5.5-GHz SiGe HBT Doherty amplifier usi

A 5.5-GHz SiGe HBT Doherty amplifier using diode linearizer and lumped-element hybrid coupler

✍ Haiwen Liu; Toshihiko Yoshimasu 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 421 KB

## Abstract A 5.5‐GHz Doherty amplifier using commercial 0.35‐μm SiGe HBT technology is proposed in this article. To improve the linearity, a predistortion using diode linearizer is adopted for biasing the peak amplifier. Moreover, to realize in fully on‐chip with circuit reduction, a 90° 3‐dB hybr

A 2.4 GHz highly linear image-rejection

A 2.4 GHz highly linear image-rejection low noise amplifier by using an active inductor

✍ Jain-Yi Li; Chin-Sheng Chang; Wen-Jeng Lin; Han-Jan Chen; Lih-Shan Chen; Mau-Pho 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 315 KB

## Abstract This article presented a highly linear image‐rejection (IR) low‐noise amplifier (LNA) for 2.4 GHz band applications based on 0.18 μm CMOS technology. By using folded PMOS for sinking the third‐order intermodulation distortion (IMD3), the IR LNA has high input third‐order intercept point