NDLI: Design of a multimode tunable low noise amplifier for software defined radios

Content Provider	IET Digital Library
Author	Aneja, A. Li, X. J.
Abstract	This Letter presents the design and analysis of a tunable low noise amplifier (LNA) capable of achieving single band, dual band and wideband operations. The circuit features a modified tunable open stub matching to achieve a reconfigurable multiband response. The LNA adopts a varactor diode in the input matching stage to achieve reconfigurable modes. Two bias conditions for the varactor diode are analysed. The forward bias condition yields a wideband mode (1.6 to 2.5 GHz) and zero bias results in a concurrent dual band mode (0.9 and 1.7–2.5 GHz). In reverse bias condition, the bias voltage of varactor diode ( V d − rb ) can be tuned to achieve one single band mode (1 GHz), and a tunable concurrent dual band mode, where the first band is fixed at 1 GHz and the second band is continuously tunable from 1.7 to 2.5 GHz. The LNA is fabricated in microwave integrated circuit process on an FR-4 board. The measured power gain is 7–15 dB and noise figure is 1.2–2.2 dB across all bands. The measured 1 dB compression ( P 1 dB ) is − 4 , − 3 and − 6 dBm at 0.9, 1 and 2.4 GHz, respectively.
Starting Page	808
Ending Page	810
Page Count	3
ISSN	00135194
Volume Number	56
e-ISSN	1350911X
Issue Number	Issue 16, Aug (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/56/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2020.1183
Journal	Electronics Letters
Publisher Date	2020-06-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplifiers Bias Voltage Dual Band Operations Forward Bias Condition FR-4 Board Frequency 0.9 GHz Frequency 1.0 GHz Frequency 1.7 GHz to 2.5 GHz Gain 7.0 DB to 15.0 DB Junction And Barrier Diode LNA Low Noise Amplifier Microwave IC Microwave Integrated Circuit Process Modified Tunable Open Stub Matching Multimode Tunable Low Noise Amplifier Noise Figure 1.2 DB to 2.2 DB Radio Link And Equipment Reconfigurable Mode Reconfigurable Multiband Response Reverse Bias Condition Single Band Mode Single Band Operation Software Defined Radios Software Radio Tunable Concurrent Dual Band Mode UHF Amplifiers Varactor Diode Varactors Wideband Mode Wideband Operation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Wideband dual-mode complementary metal–oxide–semiconductor receiver

Dual-band transmitters using digitally predistorted frequency multipliers for reconfigurable radios

Analysis and Design of a Reconfigurable Multimode Low-Noise Amplifier Utilizing a Multitap Transformer

Compact inductorless CMOS low-noise amplifier for reconfigurable radio

Frequency-reconfigurable single- and dual-band designs of a multi-mode microstrip antenna

Design of ultra-low noise, wideband low-noise amplifier for highly survival radar receiver

Systematic experimental analysis of an optical sensing microwave low-noise amplifier

Band- and frequency-reconfigurable circularly polarised filtenna for cognitive radio applications

3–10 GHz self-biased resistive-feedback LNA with inductive source degeneration

Design of a multimode tunable low noise amplifier for software defined radios

Similar Documents

Wideband dual-mode complementary metal–oxide–semiconductor receiver

Dual-band transmitters using digitally predistorted frequency multipliers for reconfigurable radios

Analysis and Design of a Reconfigurable Multimode Low-Noise Amplifier Utilizing a Multitap Transformer

Compact inductorless CMOS low-noise amplifier for reconfigurable radio

Frequency-reconfigurable single- and dual-band designs of a multi-mode microstrip antenna

Design of ultra-low noise, wideband low-noise amplifier for highly survival radar receiver

Systematic experimental analysis of an optical sensing microwave low-noise amplifier

Band- and frequency-reconfigurable circularly polarised filtenna for cognitive radio applications

3–10 GHz self-biased resistive-feedback LNA with inductive source degeneration

Design of a multimode tunable low noise amplifier for software defined radios