RF Switches

Image Part Number Description / PDF Quantity Rfq
SS123BDHTS

SS123BDHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP2T 2-18 GHZ

3

SV213DTS

SV213DTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SPST 2-18 GHZ

3

SP123DHTS

SP123DHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP2T 2-18 GHZ

3

SS123DHS

SS123DHS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP2T 2-18 GHZ

3

SP213DHS-80

SP213DHS-80

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SPST 2-18 GHZ

2

S213D

S213D

MITEQ, Inc.(L3 Narda-MITEQ)

3 WATT PIN SWITCH SPST 2-18 GHZ

3

LIM301

LIM301

MITEQ, Inc.(L3 Narda-MITEQ)

PIN DIODE BASED LIMITER 1-18 GHZ

2

S213D-04

S213D-04

MITEQ, Inc.(L3 Narda-MITEQ)

3 WATT PIN SWITCH SP2T 2-18 GHZ

2

SS122DHS

SS122DHS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP2T .5-18 GHZ

2

SP143DHS

SP143DHS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP4T 2-18 GHZ

3

SV133DS

SV133DS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP3T 2-18 GHZ

3

SS133DHS

SS133DHS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP3T 2-18 GHZ

3

SP142DHTS

SP142DHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP4T .5-18 GHZ

3

SS142DHTS

SS142DHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP4T .5-18 GHZ

4

SS163DHS

SS163DHS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP6T 2-18 GHZ

3

SP122DHTS

SP122DHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP2T .5-18 GHZ

2

S123BD

S123BD

MITEQ, Inc.(L3 Narda-MITEQ)

3 WATT PIN SWITCH SP2T 2-18 GHZ

4

SP213DHTS-80

SP213DHTS-80

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SPST 2-18 GHZ

3

SP213DHTS

SP213DHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SPST 2-18 GHZ

2

SS133BDHTS

SS133BDHTS

MITEQ, Inc.(L3 Narda-MITEQ)

PIN SWITCH SP3T 2-18 GHZ

3

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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