RF Switches

Image Part Number Description / PDF Quantity Rfq
HMC174MS8E

HMC174MS8E

Analog Devices, Inc.

IC RF SWITCH SPDT 3GHZ 8MSOP

0

HMC253LC4

HMC253LC4

Analog Devices, Inc.

IC RF SWITCH SP8T 3.5GHZ 24CSMT

0

HMC232C8

HMC232C8

Analog Devices, Inc.

IC RF SWITCH SPDT 8GHZ 8CSMD

0

HMC641LC4TR-R5

HMC641LC4TR-R5

Analog Devices, Inc.

IC RF SWITCH SP4T 20GHZ 24SMT

0

HMC344LC3TR-R5

HMC344LC3TR-R5

Analog Devices, Inc.

IC RF SWITCH SP4T 8GHZ 16CSMT

0

HMC245QS16E

HMC245QS16E

Analog Devices, Inc.

IC RF SWITCH SP3T 3.5GHZ 16QSOP

0

HMC427LP3ETR

HMC427LP3ETR

Analog Devices, Inc.

IC RF SWITCH 8GHZ 16SMT

0

HMC348LP3ETR

HMC348LP3ETR

Analog Devices, Inc.

IC RF SWITCH SPDT 2.5GHZ 16SMT

0

HMC276QS24E

HMC276QS24E

Analog Devices, Inc.

IC RF SWITCH 3GHZ 24QSOP

0

HMC234C8

HMC234C8

Analog Devices, Inc.

IC RF SWITCH SPDT 8GHZ 8SMT

0

HMC233G8

HMC233G8

Analog Devices, Inc.

IC RF SWITCH SPDT 6GHZ 8SMD

0

HMC545ETR

HMC545ETR

Analog Devices, Inc.

IC RF SWITCH SPDT 3GHZ SOT26

0

HMC232

HMC232

Analog Devices, Inc.

IC RF SWITCH SPDT 15GHZ DIE

0

HMC550E

HMC550E

Analog Devices, Inc.

IC RF SWITCH SPST 6GHZ SOT26

0

HMC344LH5

HMC344LH5

Analog Devices, Inc.

IC RF SWITCH SP4T 12GHZ 12SMT

0

HMC232LP4TR

HMC232LP4TR

Analog Devices, Inc.

IC RF SWITCH SPDT 12GHZ 24QFN

0

HMC344LH5TR

HMC344LH5TR

Analog Devices, Inc.

IC RF SWITCH SP4T 12GHZ 12SMT

0

HMC347C8

HMC347C8

Analog Devices, Inc.

IC RF SWITCH SPDT 8GHZ 8CSMD

0

HMC232C8TR

HMC232C8TR

Analog Devices, Inc.

IC RF SWITCH SPDT 8GHZ 8CSMD

0

HMC199MS8ETR

HMC199MS8ETR

Analog Devices, Inc.

IC RF SWITCH SPDT 2.5GHZ 8MSOP

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

TypeFunctional CharacteristicsApplication Examples
Electromechanical SwitchesHigh isolation (>85dB), low insertion loss (<0.5dB), limited lifespan (107 cycles)Lab test equipment, fixed wireless systems
Solid-State SwitchesFast switching speed (<20ns), 50 impedance, moderate power handling (30dBm)5G base stations, software-defined radios
MEMS SwitchesUltra-low insertion loss (0.2dB), high linearity, vacuum encapsulationAerospace phased arrays, medical imaging
RFID Antenna SwitchesImpedance matching networks, HF/UHF band optimizationSmart 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

ParameterTypical ValuesImportance
Frequency RangeDC-18GHz (standard)Determines application bandwidth
Insertion Loss0.3-2.0 dBAffects signal strength
Isolation40-100 dBPrevents signal interference
Power Handling10W-100WLimits maximum operational power
Switching Speed5ms-50nsImpacts 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

ManufacturerRepresentative ProductKey Features
Keysight TechnologiesU1880A67GHz bandwidth, 500ns switching speed
Analog DevicesADG9044-channel, 3GHz, CMOS process
STMicroelectronicsAFBR-5010MEMS-based, 0.15dB insertion loss
InfineonBTS724GAutomotive-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

RFQ BOM Call Skype Email
Top