Series:	--
Packaging:	Bulk
Part Status:	Active
Topology:	--
Circuit:	SPDT
Frequency Range:	50MHz ~ 3GHz
Insertion Loss:	0.45dB
Test Frequency:	3GHz
P1dB:	--
Features:	--
Impedance:	50 Ohm
Voltage - Supply:	1.8 V ~ 5 V
Operating Temperature:	-45°C ~ 85°C
Package / Case:	6-SMD
Supplier Device Package:	6-Minimold

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RF Switches

Introduction

A radio frequency switch, often referred to as an RF switch, is a type of circuit that is used to control the flow or transmission of high frequency signals. This type of switch is most commonly used in radio communication systems and is designed to route, enable, or disable signals as desired. This has the advantage of allowing a single radio device to be integrated into multiple systems simultaneously, increasing the device\'s overall versatility.

CG2179M2 Application Field and Working Principle

The RF switch CG2179M2 is designed for operation in WCDMA handsets and suitable for downlink and uplink applications. This switch requires a control voltage of 0V in order to operate, making it particularly well-suited for applications in which low-power operation is necessary, such as mobile phones. It operates with a wide frequency range of 500MHz to 3GHz and a low-loss insertion of 0.45 dB at 2GHz for a typical application.The CG2179M2 is comprised of two stages. The first stage contains an antenna switch as well as a power amplifier, while the second stage contains an RF switch. This type of switch operates by passing a control voltage to the antenna switch which then controls the flow of signals coming and going from the device. This switch is also able to respond to changes in frequency by automatically adjusting its switch position in order to maintain a continuous signal.

Advantages

The CG2179M2 is a highly versatile and reliable switch, offering users a variety of benefits over other RF switches. These benefits include:• Low-power consumption: The CG2179M2 is designed for low-power operation, making it ideal for applications where power consumption is a concern.• Wide frequency range: This switch operates with a wide frequency range of 500MHz to 3GHz, making it suitable for applications in a wide range of fields.• Low loss insertion: The switch features a low-loss insertion of 0.45 dB at 2GHz, making it particularly well-suited for applications in which low-loss transmission is important.• High-performance: The CG2179M2 is capable of high-performance switching, meaning that it can quickly respond to changes in frequency and maintain a continuous signal.

Conclusion

The RF switch CG2179M2 is an ideal choice for applications where power consumption is a concern, as it is designed for low-power operation with a wide frequency range of 500MHz to 3GHz. This switch also offers excellent performance, with a low-loss insertion of 0.45 dB at 2GHz and the ability to respond quickly to frequency changes and maintain a continuous signal.

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