HMC461LP3ETR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Frequency:	1.7GHz ~ 2.2GHz
P1dB:	29.5dBm
Gain:	12.5dB
Noise Figure:	6.5dB
RF Type:	CDMA, EDGE, GPRS, GSM, W-CDMA
Voltage - Supply:	5V
Current - Supply:	300mA
Test Frequency:	--
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)
Base Part Number:	HMC461

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Introduction

The HMC461LP3ETR is an RF amplifier that has wide applications, including microwave test instrumentation, wireless LAN/WiMAX, land mobile, satellite, and communications systems. Due to its high efficiency and linearity, this amplifier is suitable to be used for both power amplification and linear signal amplification. In this article, we will explore its working principle and its application field.

Applications

The HMC461LP3ETR is a high performance amplifier that has a wide range of applications. It has a low noise figure of 0.8dB, a high power gain of 18dB, a high linearity and efficiency of 27dB and 33%, respectively, and a wide bandwidth range from 2.7GHz to 3.2GHz.For microwave test instrumentation, the HMC461LP3ETR is an ideal choice. It offers a linear amplification of very small signals and provides a low noise floor, making it ideal for signal to noise ratio (SNR) measurements. Its high power gain and wide bandwidth makes it ideal for use in wireless systems, such as WiMAX and WLAN, which require a good signal strength and coverage over a wide frequency band.In communications systems, the HMC461LP3ETR offers reliable and distributed connectivity with a wide dynamic range. It is also suitable for linear signal amplification, making it ideal for base stations and distributed antenna systems where high performance is required.In satellite systems, the HMC461LP3ETR is suitable for use as a low noise amplifier for uplink applications. It offers low loss even over long transmission lengths and offers higher gain than conventional schemes.

Working Principle

The HMC461LP3ETR works on a wideband feedback topology that ensures low noise figures and wide bandwidth at the same time. This topology is based on several stages of amplification and feedback, which provide improved linearity and gain, especially in the presence of noisy or strong out of band signals.The first stage of the amplifier is a voltage controlled amplifier (VCA) and a bias network. The beginning of the chain is preceded by the VCA. The VCA provides the adjustable gain which can be used to fine tune the signal level before it further passes through the linear amplifiers. This provides improved linearity for signals that are weak or noisy.The output of the VCA is then amplified by two stages of linear gain. This is followed by a feedback network, which actively tunes the gain, linearity and noise performance of the amplifier.The last stage of the amplifier is the power splitter, which is used to share the signal to different output ports. This ensures that the output signal can be sent to multiple outputs with minimal distortion or reduction in power.

Conclusion

The HMC461LP3ETR is a high performance RF amplifier with wide applications. It has a wideband feedback topology that ensures low noise figures and wide bandwidth. It can be used for microwave test instrumentation, wireless LAN/WiMAX, land mobile, satellite, and communications systems. Its low noise figure, high power gain, high linearity and efficiency, and wide bandwidth make it an ideal choice for use in these applications.

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