Study, Modeling and Characterization of Dual-Band LNA Amplifiers Receivers for Wireless Microwaves Communication Systems

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Provided by: Scientifantastic Apps
Topic: Networking
Format: PDF
The new current design is especially suitable for use in multi-standard wireless receiver for microwaves communication systems. In recent years, there has been a growing market for dual band transceivers for various wireless standards. This paper investigates a novel circuit topology of concurrent dual-band Low Noise Amplifier (LNA) operates in the 3.9GHz and 4.48GHz frequency bands for WLAN applications and may be used for dual band cellular applications. RF circuit designs take two parallel LNAs with a single transistor only, and Band-Pass Filter (BPF) networks are usually used match both the input and output ports at two different bands, are matched to 50ohms without external elements.
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