RF Multiplexers

Image Part Number Description / PDF Quantity Rfq
B39272B8660P810

B39272B8660P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 2.535/2.655GHZ 9SMD

0

B39781B8525P810

B39781B8525P810

RF360 - A Qualcomm-TDK joint venture

RF DIPLEXER 9SMD NO LEAD

0

FAR-D5NA-881M50-P1A2-Z

FAR-D5NA-881M50-P1A2-Z

TAIYO YUDEN

RF DUPLEXER 8SMD NO LEAD

0

SD25-0836R9UBQ1

SD25-0836R9UBQ1

KYOCERA Corporation

RF DUPLEXER 881.5MHZ/2.14GHZ SMD

0

DPX165950DT-8030D1

DPX165950DT-8030D1

TDK Corporation

RF DIPLEX 1740.5MZ/5.425GHZ 0603

0

FAR-D5PF-911M50-M3J7-Z

FAR-D5PF-911M50-M3J7-Z

TAIYO YUDEN

RF DUPLEXER 9SMD NO LEAD

0

B39182B9940P810

B39182B9940P810

RF360 - A Qualcomm-TDK joint venture

FILTER SAW 1511 SMD

0

FAR-D6JH-2G1400-B1BT-Z

FAR-D6JH-2G1400-B1BT-Z

TAIYO YUDEN

RF DUPLEXER 9SMD NO LEAD

0

B39741B8624P810

B39741B8624P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 710MHZ/740MHZ 9SMD

0

B39272B8674P810

B39272B8674P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 2.535/2.655GHZ 8SMD

0

SD25-1950R9UBQ1

SD25-1950R9UBQ1

KYOCERA Corporation

RF DUPLEXER 1.95GHZ/2.14GHZ 9SMD

0

B39941B8073P810

B39941B8073P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 897.5/942.5MHZ 9SMD

0

D5NE782M0P1D6-Z

D5NE782M0P1D6-Z

TAIYO YUDEN

RF DUPLEXER 9SMD NO LEAD

0

B39881B7925P810

B39881B7925P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 836.5/881.5MHZ 9SMD

0

B39741B8668P810

B39741B8668P810

RF360 - A Qualcomm-TDK joint venture

RF DIPLEXER 8SMD NO LEAD

0

B39931B4062U810

B39931B4062U810

RF360 - A Qualcomm-TDK joint venture

RF DIPLEXER 8SMD NO LEAD

0

B39182B9943P810

B39182B9943P810

RF360 - A Qualcomm-TDK joint venture

FILTER SAW 1511 SMD

0

FAR-D5NE-740M00-P1C9-Z

FAR-D5NE-740M00-P1C9-Z

TAIYO YUDEN

RF DUPLEXER 9SMD NO LEAD

0

B39142B8632P810

B39142B8632P810

RF360 - A Qualcomm-TDK joint venture

RF DUPLEXER 1.4379/1.4859GHZ SMD

0

D5NF878M0P1ET-Z

D5NF878M0P1ET-Z

TAIYO YUDEN

RF DUPLEXER 9SMD NO LEAD

0

RF Multiplexers

1. Overview

RF/IF multiplexers are devices that route high-frequency signals (typically 300 MHz to 6 GHz for RF, and 10 MHz to 1 GHz for IF) between multiple channels. RFID RF multiplexers specialize in managing signals for radio frequency identification systems (125 kHz to 900 MHz). These components enable efficient signal management in wireless communication, industrial automation, and IoT systems, reducing hardware complexity and cost.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Coaxial RF MultiplexerMechanical switching with high power handling (up to 100W)Test equipment, military communication
MMIC-based MultiplexerMonolithic Microwave IC integration, fast switching ( 1 s)5G base stations, phased array systems
UHF RFID MultiplexerSupports EPCglobal Gen2 protocol, 8-16 portsWarehouse inventory management
Fiber-Optic RF MultiplexerOptical signal routing, low insertion loss (<1 dB)Aerospace telemetry systems

3. Structure and Components

Typical construction includes: - Switch matrix (electromechanical relays or PIN diodes) - RF shielding enclosure (aluminum alloy) - SMA/N-type connectors - Control circuitry (TTL/CMOS interface) - Dielectric substrate (RO4000 series for high frequencies)

4. Key Technical Specifications

ParameterValue RangeImportance
Frequency RangeDC-18 GHzDetermines application compatibility
Insertion Loss0.3-3.5 dBSignal integrity preservation
Isolation20-80 dBPrevents channel cross-talk
Switching Speed10 s-10 msAffects system response time
VSWR1.2:1-2.0:1Impedance matching quality indicator

5. Application Fields

  • Telecom: Base station antenna sharing
  • Medical: MRI RF coil switching
  • Manufacturing: Automated test equipment (ATE)
  • Logistics: RFID warehouse tracking systems

6. Leading Manufacturers and Products

VendorProduct SeriesKey Features
Analog DevicesADG9xxCMOS-based, 0.1-3 GHz, 1.8-5.5V supply
Keysight TechnologiesU2000 SeriesOptical RF multiplexer with 0.05 dB accuracy
Nordic SemiconductornRF24 2.4 GHz, -94 dBm sensitivity for RFID
TE ConnectivityRF Multiplex SwitchIP67 rated for outdoor deployment

7. Selection Guidelines

Consider: 1. Frequency match with application band 2. Signal power handling requirements 3. Environmental conditions (temperature/humidity) 4. Control interface compatibility (SPI/UART) 5. Port count scalability 6. Cost vs. performance trade-offs

8. Industry Trends

Current developments include: - Integration with AI for dynamic signal path optimization - Sub-6 GHz 5G MIMO support expansion - Development of reconfigurable intelligent surfaces (RIS) - RFID multiplexers with embedded sensing capabilities - Miniaturization using LTCC packaging technology

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