HMC345LP3ETR RF/IF and RFID

Test Frequency:	8GHz
Base Part Number:	HMC345
Supplier Device Package:	16-SMT (3x3)
Package / Case:	16-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	5V
Impedance:	50 Ohm, 75 Ohm
Features:	--
IIP3:	45dBm
P1dB:	21dBm
Series:	--
Insertion Loss:	2.4dB
Isolation:	32dB
Frequency Range:	DC ~ 8GHz
Circuit:	SP4T
Topology:	Absorptive
RF Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

RF Switches refer to electronic components switchedby RF signals that can be used to switch different types of RF signals or to perform multiplexing operations between different types of RF signals. The HMC345LP3ETR is a RF switch made in the form of a monolithic integrated circuit (IC). It comes standard with two poles and three throws and provides a wide variety of uses in the world of RF applications.

Applications

The HMC345LP3ETR is used in various RF application fields. It is commonly used for the multiplexing of multiple channels of radio communications with a single device such as radio relaying, mobile telephone switching, cellular telephone switching, and message broadcasting. It can also be used for signal or frequency selection in radar applications as well as in the creation of a wide variety of transmission paths for radio communications.

Working Principle

The HMC345LP3ETR is a monolithic IC switch that acts as a Low Pass Filter (LPF). The LPF is a filter that allows lower frequencies to pass but blocks the higher frequencies. The HMC345LP3ETR has a resonant frequency of 7.5 GHz and its impedance varies from 50 ohms to 10 kiloohms. When connected to an RF signal, the HMC345LP3ETR will filter out all frequencies above 7.5 GHz. This allows for a wide variety of frequencies to be switched without any loss of signal. The HMC345LP3ETR also has the capability to switch between two different signals with the same frequency but different phases. This makes it a great choice for creating a wide variety of transmission paths.

Conclusion

The HMC345LP3ETR is a RF switch made from a monolithic integrated circuit that is used in various RF application fields. It acts as a Low Pass Filter to allow frequencies below 7.5GHz to pass while blocking higher frequencies. It also can switch between two signals with the same frequency but different phase. With these features, the HMC345LP3ETR is a great choice for creating a wide variety of transmission paths for radio communications.

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