RF Switches

Image Part Number Description / PDF Quantity Rfq
LIM-01000200MF

LIM-01000200MF

MITEQ, Inc.(L3 Narda-MITEQ)

LIMITER

0

SW1-020080AI5NM

SW1-020080AI5NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW7-002020AN5NF

SW7-002020AN5NF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW3-020080AI5HF

SW3-020080AI5HF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW2-031043AN1NM

SW2-031043AN1NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW4-020180AI5HF

SW4-020180AI5HF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW3-020080RN2NM

SW3-020080RN2NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SEM123T

SEM123T

MITEQ, Inc.(L3 Narda-MITEQ)

026-A12-A1D-4A0

0

SW4-120019AI4NM

SW4-120019AI4NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW7-040120AI2HF

SW7-040120AI2HF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW4-001100AI1NM

SW4-001100AI1NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

S536B

S536B

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW5-020080AN3NM

SW5-020080AN3NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW1-008180RI3HF

SW1-008180RI3HF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW7-010180AI5HM

SW7-010180AI5HM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW8-020080RN1NF

SW8-020080RN1NF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

S236B

S236B

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW1-040120RI5HF

SW1-040120RI5HF

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW8-002020AN4NM

SW8-002020AN4NM

MITEQ, Inc.(L3 Narda-MITEQ)

SWITCH

0

SW2-005180RN1NF

SW2-005180RN1NF

MITEQ, Inc.(L3 Narda-MITEQ)

DIGITAL SINGLE POLE TWO THROW SW

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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