RF Switches

Image Part Number Description / PDF Quantity Rfq
HMC596LP4ETR

HMC596LP4ETR

Analog Devices, Inc.

IC RF SWITCH 3GHZ 24QFN

674

HMC1118LP3DE

HMC1118LP3DE

Analog Devices, Inc.

IC RF SWITCH SPDT 13GHZ 16LFCSP

7024

ADG901BCPZ-500RL7 REEL

ADG901BCPZ-500RL7 REEL

Analog Devices, Inc.

ADG901BCPZ-500RL7 REEL

0

HMC347A

HMC347A

Analog Devices, Inc.

IC RF SWITCH SPDT 20GHZ DIE

200

HMC347B-SX

HMC347B-SX

Analog Devices, Inc.

IC RF SWITCH SPDT DIE

14

HMC347B

HMC347B

Analog Devices, Inc.

IC RF SWITCH SPDT DIE

1000

HMC986A

HMC986A

Analog Devices, Inc.

IC RF SWITCH SPDT 50GHZ DIE

25

ADG901BRM

ADG901BRM

Analog Devices, Inc.

WIDEBAND SPST SWITCH

4881

ADG936BCPZ-RL

ADG936BCPZ-RL

Analog Devices, Inc.

W'BAND ABSORBTIVE/REFL'VE DUAL S

0

HMC347A-SX

HMC347A-SX

Analog Devices, Inc.

IC RF SWITCH SPDT

4

HMC345LP3TR

HMC345LP3TR

Analog Devices, Inc.

IC RF SWITCH SP4T 8GHZ 16SMT

0

HMC336MS8GE

HMC336MS8GE

Analog Devices, Inc.

IC RF SWITCH SPDT 6GHZ 8MSOP

0

HMC245QS16TR

HMC245QS16TR

Analog Devices, Inc.

IC RF SWITCH SP3T 3.5GHZ 16QSOP

0

HMC174MS8TR

HMC174MS8TR

Analog Devices, Inc.

IC RF SWITCH SPDT 3GHZ 8MSOP

0

HMC252QS24E

HMC252QS24E

Analog Devices, Inc.

IC RF SWITCH SP6T 3GHZ 24QSOP

0

HMC182S14TR

HMC182S14TR

Analog Devices, Inc.

IC RF SWITCH SP4T 2GHZ 14SOIC

0

HMC547LP3

HMC547LP3

Analog Devices, Inc.

IC RF SWITCH SPDT 20GHZ 16QFN

0

HMC784MS8G

HMC784MS8G

Analog Devices, Inc.

IC RF SWITCH SPDT 4GHZ 8MSOP

0

HMC276LP4E

HMC276LP4E

Analog Devices, Inc.

IC RF SWITCH 3GHZ 24QFN

0

HMC427LP3TR

HMC427LP3TR

Analog Devices, Inc.

IC RF SWITCH 8GHZ 16SMT

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

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