RF Switches

Category Introduction

Radio frequency switch products are devices used for routing RF, IF, or microwave signals between multiple available signal paths. Example applications include antenna selection in multi-antenna (diversity) receivers, selection of a transmit-receive path in multi-mode systems, or switching an antenna between a transmit and receive signal chain.

Product List

224 Items

Mfr Part #	Quantity Available	UnitPrice	Packaging	Product Status	RF Type	Topology	Circuit	Frequency Range	Isolation	Insertion Loss	Test Frequency	P1dB	IIP3	Features	Impedance	Voltage - Supply	Operating Temperature	Package / Case	Supplier Device Package
SKY13453-385LF IC RF SWITCH 6GHZ 6QFN Skyworks Solutions Inc.	619	$0.62	Tape & Reel (TR)	Active	WLAN	Reflective	SPDT	10MHz ~ 6GHz	27dB	0.4dB	2GHz	33dBm	57dBm	-	50Ohm	2.5V ~ 3.5V	-30°C ~ 90°C	6-XFQFN	6-QFN (1x1)
SKY13351-378LF IC RF SWITCH SPDT 6GHZ 6MLPD Skyworks Solutions Inc.	450	$0.85	Tape & Reel (TR)	Active	802.11/WiFi, WLAN	Reflective	SPDT	20MHz ~ 6GHz	26dB	0.5dB	6GHz	-	46dBm	-	50Ohm	-	-40°C ~ 85°C	6-XFDFN Exposed Pad	6-MLPD (1x1)
SKY13330-397LF IC RF SWITCH SPDT 6GHZ 12QFN Skyworks Solutions Inc.	206	$0.96	Tape & Reel (TR)	Active	W-CDMA	Reflective	SPDT	100MHz ~ 6GHz	21dB	0.6dB	6GHz	39dBm	-	-	50Ohm	2.3V ~ 4.8V	-40°C ~ 85°C	12-UFQFN Exposed Pad	12-QFN (2x2)
AS179-92LF IC RF SWITCH SPDT 3GHZ SC70-6 Skyworks Solutions Inc.	315	$1.17	Tape & Reel (TR)	Active	802.11b, g, Bluetooth, WLAN	Reflective	SPDT	20MHz ~ 3GHz	23dB	0.4dB	3GHz	34dBm	50dBm	-	50Ohm	3V	-40°C ~ 85°C	6-TSSOP, SC-88, SOT-363	SC-70-6
SKY13373-460LF IC RF SWITCH SP3T 6GHZ 12QFN Skyworks Solutions Inc.	684	$1.20	Tape & Reel (TR)	Active	802.11a/b/g/n	Reflective	SP3T	100MHz ~ 6GHz	30dB	0.45dB	2.5GHz	-	70dBm	-	50Ohm	2.5V ~ 4.8V	-40°C ~ 85°C	12-UFQFN Exposed Pad	12-QFN (2x2)
SKY13370-374LF IC RF SWITCH SPDT 6GHZ 6DFN Skyworks Solutions Inc.	666	$1.26	Tape & Reel (TR)	Active	802.16 WiMAX	Absorptive	SPDT	500MHz ~ 6GHz	24dB	1.15dB	5.85GHz	39dBm	55dBm	-	50Ohm	-	-40°C ~ 85°C	6-XFDFN Exposed Pad	6-DFN (1.5x1.5)
SKY13414-485LF IC RF SWITCH SP4T 3GHZ 14QFN Skyworks Solutions Inc.	166	$1.31	Tape & Reel (TR)	Active	General Purpose	Reflective	SP4T	100MHz ~ 3GHz	42dB	0.4dB	1GHz	37dBm	70dBm	-	50Ohm	2.5V ~ 4.8V	-40°C ~ 85°C	14-UFQFN Exposed Pad	14-QFN (2x2)
SKY13380-350LF IC RF SWITCH SP4T 3GHZ 16QFN Skyworks Solutions Inc.	601	$1.51	Tape & Reel (TR)	Active	GSM, EDGE	-	SP4T	20MHz ~ 3GHz	21dB	0.6dB	2GHz	39dBm	-	-	50Ohm	3V	-40°C ~ 85°C	16-VFQFN Exposed Pad	16-QFN (3x3)
HMC544AETR IC RF SWITCH SPDT 4GHZ SOT26 Analog Devices Inc.	197	$2.64	Tape & Reel (TR)	Active	WiMax, WLAN	-	SPDT	0Hz ~ 4GHz	12dB	0.7dB	4GHz	39dBm	60dBm	-	50Ohm	5V	-40°C ~ 85°C	SOT-23-6	SOT-23-6
HMC221BETR IC RF SWITCH SPDT 3GHZ SOT23-6 Analog Devices Inc.	60	$3.12	Tape & Reel (TR)	Active	General Purpose	-	SPDT	10kHz ~ 3GHz	18dB	0.8dB	3GHz	29dBm	54dBm	-	50Ohm	5V	-40°C ~ 85°C	SOT-23-6	SOT-23-6
ADG918BCPZ-REEL7 IC RF SWITCH SPDT 2GHZ 8LFCSP Analog Devices Inc.	90	$3.59	Tape & Reel (TR)	Active	General Purpose	Absorptive	SPDT	0Hz ~ 2GHz	43dB	0.8dB	1GHz	17dBm	36dBm	-	-	1.65V ~ 2.75V	-40°C ~ 85°C	8-WFDFN Exposed Pad, CSP	8-LFCSP (3x3)
HMC545AETR IC RF SWITCH SPDT 3GHZ SOT26 Analog Devices Inc.	52	$3.49	Tape & Reel (TR)	Active	WiMax, WLAN	-	SPDT	0Hz ~ 3GHz	22dB	0.4dB	3GHz	33dBm	54dBm	-	50Ohm	-	-40°C ~ 85°C	SOT-23-6	SOT-23-6
HMC435AMS8GETR IC RF SWITCH SPDT 4GHZ 8MSOP Analog Devices Inc.	44	$4.35	Tape & Reel (TR)	Active	General Purpose	-	SPDT	0Hz ~ 4GHz	48dB	0.8dB	2.5GHz	30dBm	53dBm	-	50Ohm	5V	-40°C ~ 85°C	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad	8-MSOP-EP
HMC197BETR IC RF SWITCH SPDT 3GHZ SOT26 Analog Devices Inc.	4	$4.51	Tape & Reel (TR)	Active	General Purpose	-	SPDT	0Hz ~ 3GHz	29dB	0.9dB	2.5GHz	29dBm	55dBm	-	50Ohm	3V	-40°C ~ 85°C	SOT-23-6	SOT-23-6
ADG936BCPZ-RL7 IC RF SWITCH SPDT 2GHZ 20LFCSP Analog Devices Inc.	88	$5.06	Tape & Reel (TR)	Active	ASK/FSK	Reflective	SPDT	0Hz ~ 2GHz	60dB	0.4dB	100MHz	17dBm	36dBm	-	50Ohm	1.65V ~ 2.75V	-40°C ~ 85°C	20-WFQFN Exposed Pad, CSP	20-LFCSP (4x4)
HMC194AMS8ETR IC RF SWITCH SPDT 3GHZ 8MSOP Analog Devices Inc.	84	$5.25	Tape & Reel (TR)	Active	General Purpose	-	SPDT	0Hz ~ 3GHz	38dB	0.5dB	2.5GHz	29dBm	53dBm	-	50Ohm	3V ~ 7V	-40°C ~ 85°C	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
HMC545AE IC RF SWITCH SPDT 3GHZ SOT26 Analog Devices Inc.	241	$3.53	Strip	Active	WiMax, WLAN	-	SPDT	0Hz ~ 3GHz	22dB	0.4dB	3GHz	33dBm	54dBm	-	50Ohm	-	-40°C ~ 85°C	SOT-23-6	SOT-23-6
ADG918BRMZ IC RF SWITCH SPDT 2GHZ 8MSOP Analog Devices Inc.	108	$3.85	Tube	Active	General Purpose	Absorptive	SPDT	0Hz ~ 2GHz	37dB	0.8dB	1GHz	17dBm	36dBm	-	-	1.65V ~ 2.75V	-40°C ~ 85°C	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
HMC595AETR IC RF SWITCH SPDT 3GHZ SOT26 Analog Devices Inc.	12	$6.08	Tape & Reel (TR)	Active	WiMax, WLAN	-	SPDT	0Hz ~ 3GHz	18dB	0.5dB	3GHz	39dBm	63dBm	-	50Ohm	5V	-40°C ~ 85°C	SOT-23-6	SOT-23-6
HMC284AMS8GE IC RF SWITCH SPDT 3.5GHZ 8MSOP Analog Devices Inc.	92	$4.10	Strip	Active	Cellular, ISM, PCS	Absorptive	SPDT	0Hz ~ 3.5GHz	40dB	0.7dB	3.5GHz	29dBm	50dBm (min)	-	50Ohm	-	-40°C ~ 85°C	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad	8-MSOPG

About RF Switches

What are RF Switches?

RF Switches

RF switches are integral components in radio frequency (RF) and intermediate frequency (IF) systems, designed to route high-frequency signals through different paths. These switches operate by opening or closing the signal path, allowing or blocking the transmission of RF signals. The basic operating principle involves the use of semiconductor devices, such as diodes or transistors, which are controlled by a DC voltage to change the state of the switch. RF switches are crucial in systems where signal routing, isolation, and distribution are required, ensuring efficient signal management and minimal loss.

Types of RF Switches

Electromechanical RF Switches

Electromechanical RF switches use mechanical movement to change the signal path. They are known for their high isolation and low insertion loss, making them suitable for applications requiring high performance and reliability. However, they tend to have slower switching speeds and shorter lifespans due to mechanical wear.

Solid-State RF Switches

Solid-state RF switches utilize semiconductor devices, such as PIN diodes or FETs, to control signal paths. These switches offer faster switching speeds and longer lifespans compared to their electromechanical counterparts. They are ideal for applications where rapid switching and high durability are essential, although they may have higher insertion loss.

MEMS RF Switches

Micro-Electro-Mechanical Systems (MEMS) RF switches combine the benefits of both electromechanical and solid-state switches. They offer low insertion loss, high isolation, and fast switching speeds. MEMS switches are increasingly popular in applications requiring miniaturization and high performance.

How to choose RF Switches?

When selecting RF switches, several key parameters should be considered:

Frequency Range: Ensure the switch supports the required frequency range for your application.
Insertion Loss: Choose a switch with minimal insertion loss to maintain signal integrity.
Isolation: High isolation is crucial to prevent signal leakage between paths.
Power Handling: Verify the switch can handle the power levels in your system.
Switching Speed: Consider the speed at which the switch can change states, especially in dynamic applications.

Evaluate product quality and reliability by reviewing supplier specifications, customer reviews, and industry certifications. Consider environmental factors such as temperature range and humidity, and ensure proper installation to avoid performance degradation.

Applications of RF Switches

Telecommunications

In telecommunications, RF switches are used in base stations and mobile devices to manage signal routing and frequency band selection, ensuring efficient communication and network performance.

Military and Defense

RF switches play a critical role in radar systems, communication equipment, and electronic warfare, providing reliable signal routing and isolation in harsh environments.

Automotive

In the automotive industry, RF switches are used in vehicle communication systems, such as keyless entry and infotainment systems, to manage signal paths and enhance connectivity.

Medical Devices

RF switches are utilized in medical imaging and diagnostic equipment, such as MRI machines, to switch between different signal paths and improve imaging accuracy.

Consumer Electronics

In consumer electronics, RF switches are found in devices like smartphones and Wi-Fi routers, enabling seamless switching between different frequency bands and improving device performance.