RF Switches

Part Number	Description / PDF	Quantity
MASW-007935-TR3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3GHZ SOT26	5281
MA4SW310 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP3T 20GHZ DIE	200
MASW-008543-TR3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 4GHZ 8MSOP	1429418000
MA4SW510B-1 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP5T 18GHZ DIE	50
MASWSS0180TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 2.5GHZ 8SOIC	4669
MASW-007074-000100 Metelics (MACOM Technology Solutions)	SP3T, ABSORPTIVE SWITCH.	100
MASW-011036-14130G Metelics (MACOM Technology Solutions)	KA-BAND 10W SWITCH (ABSORPTIVE)	508700
MASW-002103-13630P Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 20GHZ	2557
MASW-008955-TR3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP3T 3.5GHZ 8DFN	188715000
MASW-007072-000100 Metelics (MACOM Technology Solutions)	ABSORPTIVE SWITCH,SPDT	2311944
MASWSS0130TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH DPDT 3GHZ 12QFN	3000
MASW-011040-TR0500 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP4T 1GHZ 20HQFN	1000
MA4SW610B-1 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP6T 18GHZ DIE	150
MASW-008566-TR3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP4T 3GHZ 16QFN	12912
MASWSS0144TR-3000 Metelics (MACOM Technology Solutions)	IC RF SWITCH SP3T 3GHZ 12QFN	387
MASL-011023 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3.5GHZ 32HQFN	13150
MASW-003103-13645P Metelics (MACOM Technology Solutions)	IC RF SWITCH SP3T 20GHZ	1455
MA4SW110 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPST 20GHZ DIE	50
MSW2002-200 Metelics (MACOM Technology Solutions)	ASYMMETRICAL T-R SWITCH TX LEFT	9
MASL-011023-TR0500 Metelics (MACOM Technology Solutions)	IC RF SWITCH SPDT 3.5GHZ 32HQFN	0

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