RF Switches

Part Number	Description / PDF	Quantity
MASW-008322-TR1000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 20GHZ 24QFN	4997
MA4SW210 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 20GHZ DIE	100
MASWSS0143TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3GHZ SOT26	5790
MASW-002103-13635P Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 20GHZ	146
SW-226-PIN Metelics (MACOM Technology Solutions)	SWITCH,SPDT,RF,	19
SW-228-PIN Metelics (MACOM Technology Solutions)	SWITCH,SPDT,RF	26019
MASW-010647-13950G Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 10.5GHZ DIE	100
MASWSS0151TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3GHZ SC70-6	104
MASWSS0204TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3GHZ SC70-6	428
SW-313-PIN Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3GHZ CR-9	10
MASWSS0201TR Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 2.5GHZ 12QFN	2381000
MASWSS0103TR Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 1GHZ 20QFN	0
MASW-004103-13650G Metelics (MACOM Technology Solutions)	IC RF SWITCH SP4T 20GHZ	100
MASWCC0010 Metelics (MACOM Technology Solutions)	SWITCH,PB-FREE EQUIVALENT OF SW9	100
MASW-003100-11920G Metelics (MACOM Technology Solutions)	DIODE,CHIP,HMIC,SP3T,2WATT	150
MASWCC0006 Metelics (MACOM Technology Solutions)	SWITCH,PB-FREE EQUIVALENT OF SW9	2471528
MASW-004100-11930G Metelics (MACOM Technology Solutions)	DIODE,CHIP,HMIC,SP4T,2WATT	100
MASW-002103-13630G Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 20GHZ	950
MASW-009444-TR3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 6GHZ 6DFN	3000
MASW20000 Metelics (MACOM Technology Solutions)	SWITCH,SPDT,MMIC,	350

RF Switches

1. Overview

RF (Radio Frequency) and IF (Intermediate Frequency) switches are critical components in wireless communication systems, enabling signal routing between transmitter, receiver, and antenna. RFID (Radio Frequency Identification) RF switches specifically manage signal paths in RFID readers and tags. These electromechanical or solid-state devices operate in frequency ranges from kHz to GHz, playing vital roles in 5G, IoT, and industrial automation.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Electromechanical Switches	High isolation (>85dB), low insertion loss (<0.5dB), limited lifespan (10⁷ cycles)	Lab test equipment, fixed wireless systems
Solid-State Switches	Fast switching speed (<20ns), 50 impedance, moderate power handling (30dBm)	5G base stations, software-defined radios
MEMS Switches	Ultra-low insertion loss (0.2dB), high linearity, vacuum encapsulation	Aerospace phased arrays, medical imaging
RFID Antenna Switches	Impedance matching networks, HF/UHF band optimization	Smart logistics, access control systems

3. Structure and Components

Typical RF switches consist of: - Housing: Aluminum alloy or ceramic packages - Contact system: Gold-plated beryllium copper contacts - Actuator: Electromagnetic coil or MEMS membrane - RF ports: SMA/N-type connectors or surface-mount pads - Dielectric materials: PTFE or ceramic insulators

4. Key Technical Specifications

Parameter	Typical Values	Importance
Frequency Range	DC-18GHz (standard)	Determines application bandwidth
Insertion Loss	0.3-2.0 dB	Affects signal strength
Isolation	40-100 dB	Prevents signal interference
Power Handling	10W-100W	Limits maximum operational power
Switching Speed	5ms-50ns	Impacts system response time

5. Application Fields

Telecommunications: Base station antenna switching
Industrial: IoT gateway signal routing
Medical: MRI machine RF path control
Automotive: Tire pressure monitoring systems
Retail: Smart shelf inventory management

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Keysight Technologies	U1880A	67GHz bandwidth, 500ns switching speed
Analog Devices	ADG904	4-channel, 3GHz, CMOS process
STMicroelectronics	AFBR-5010	MEMS-based, 0.15dB insertion loss
Infineon	BTS724G	Automotive-grade, 40V load protection

7. Selection Recommendations

Key considerations: - Frequency matching with system requirements - Power handling capacity with 20% safety margin - Environmental factors (temperature, vibration) - Lifecycle requirements (electromechanical vs. solid-state) - Cost vs. performance trade-offs

8. Industry Trends

Future developments include: - Millimeter-wave switches for 5G/6G (28-100GHz) - Integrated passive devices (IPDs) with embedded switches - Energy-harvesting RFID switch solutions - AI-driven smart switch arrays for dynamic spectrum sharing - Nano-MEMS technology achieving sub-10ns switching