ARD25105Q

Test Frequency:	18GHz
Supplier Device Package:	--
Package / Case:	Module, Pin Contacts
Operating Temperature:	-55°C ~ 85°C
Voltage - Supply:	5V
Impedance:	50 Ohm
Features:	--
IIP3:	--
P1dB:	--
Series:	--
Insertion Loss:	0.5dB (max)
Isolation:	60dB (min)
Frequency Range:	DC ~ 18GHz
Circuit:	--
Topology:	Reflective
RF Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Introduction to RF Switches

RF switches are components used to switch a signal between two or more points in a signal circuit. They are widely used in radio frequency (RF) applications where circuit isolation is required for signal routing and protection. When used in a wireless system, RF switches enable selective signal routing to provide greater control and flexibility over the network. There are two main types of RF switches:

• Reflective RF switches
• Non-reflective RF switches

Reflective RF switches use a dielectric material to reflect incoming signals from the input ports. They are often used in signal applications where high isolation is required, such as when interfacing to antennas. Non-reflective RF switches, on the other hand, use transistors to provide a direct connection between the input and output ports. They are often used for low-power applications such as drop-in replacement modules.

ARD25105Q RF Switch

The ARD25105Q is one example of a reflective RF switch. It is a programmable, 5-port, single pole, double throw (SPDT) switch with a maximum operating frequency of 800MHz. The programmability of the ARD25105Q makes it a versatile switch for a wide range of applications. The ARD25105Q uses a unique technology known as FET-Lite, which reduces the insertion loss of the switch while providing excellent isolation and port-to-port match. It also has an integrated power detector for power measurements, making it ideal for automotive, WLAN, and other applications requiring power detection.

ARD25105Q Application Field

The ARD25105Q is commonly used for applications such as antenna diversity, beamforming, and beamsteering. The programmability of the ARD25105Q means that it can be used in a variety of applications where switchable signal routing is required. Examples include wireless networks, industrial automation, and test equipment.

ARD25105Q Working Principle

The ARD25105Q uses FET-Lite technology to create an electrical circuit with two sections. One section is a field effect transistor (FET), which acts as a switch, and the other is a series of capacitors and resistors that control the performance of the switch. When a control signal is applied to the ARD25105Q, it switches between states, allowing different signal paths to be created. In the first state, the FET is activated, and the capacitors and resistors in the circuit are used to achieve switchable signal routing. In the second state, the FET is deactivated, and signals are routed through the capacitors and resistors instead. This allows for more precise control over the signal routing.

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