RF Mixers

Image Part Number Description / PDF Quantity Rfq
SKY73077-459LF

SKY73077-459LF

Skyworks Solutions, Inc.

IC MIXER 1500-2700MHZ

0

SKY73021-11

SKY73021-11

Skyworks Solutions, Inc.

IC MIXER PEDESTAL

0

SKY73049-350LF

SKY73049-350LF

Skyworks Solutions, Inc.

IC MIXER DOWN CONV SGL 16QFN

0

SKY73078-459LF

SKY73078-459LF

Skyworks Solutions, Inc.

IC MIXER 500-1500MHZ

0

SKY73070-11

SKY73070-11

Skyworks Solutions, Inc.

IC MIXER 700MHZ-1GHZ DWN 20MCM

0

SKY73032-11

SKY73032-11

Skyworks Solutions, Inc.

IC MIXER 700MHZ-1GHZ DWN 20MCM

0

SKY73420-11

SKY73420-11

Skyworks Solutions, Inc.

698-915MHZ DUAL CHANNEL MIXER

15000

SKY73086-21

SKY73086-21

Skyworks Solutions, Inc.

IC MIXER

24000

SKY73089-11

SKY73089-11

Skyworks Solutions, Inc.

IC MIXER

27000

SKY73083-11

SKY73083-11

Skyworks Solutions, Inc.

IC MIXER

0

SKY73094-21

SKY73094-21

Skyworks Solutions, Inc.

IC MIXER DOWNCONVERSION

0

SKY73085-11

SKY73085-11

Skyworks Solutions, Inc.

IC MIXER

0

SKY73084-11

SKY73084-11

Skyworks Solutions, Inc.

IC MIXER

9000

SKY73421-11

SKY73421-11

Skyworks Solutions, Inc.

IC MIXER

0

SKY73082-21

SKY73082-21

Skyworks Solutions, Inc.

IC MIXER

24000

SKY73082-11

SKY73082-11

Skyworks Solutions, Inc.

IC MIXER DOWNCONVERSION

0

SKY73033-11

SKY73033-11

Skyworks Solutions, Inc.

IC MIXER MCN SINGLE

0

SKY73422-11

SKY73422-11

Skyworks Solutions, Inc.

IC MIXER

6000

SKY73063-11

SKY73063-11

Skyworks Solutions, Inc.

IC MIXER DOWNCONVERSION

0

SKY73208-11

SKY73208-11

Skyworks Solutions, Inc.

IC RECEIVE MIXER PLL VCO 36MCM

0

RF Mixers

1. Overview

RF/IF Mixers are three-port nonlinear devices that convert signals from one frequency to another by multiplying two input signals (RF and LO) to produce intermediate frequency (IF) or baseband outputs. They are critical components in wireless communication systems, enabling frequency translation for signal processing. RFID RF Mixers specialize in handling signals for Radio Frequency Identification systems, ensuring accurate data transmission between readers and tags. These components underpin modern technologies including 5G, IoT, and industrial automation.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Passive MixersUse diodes or FETs without external power, offering high linearity and wide bandwidthSatellite communication, test equipment
Active MixersUse transistors with power supply, provide conversion gain and isolation5G base stations, RFID readers
Up-Conversion MixersConvert low-frequency signals to higher RF frequenciesWireless transmitters, radar systems
Down-Conversion MixersConvert high-frequency signals to lower IF/basebandSmartphone receivers, RFID interrogators
Zero-IF MixersDirect conversion to DC/baseband, eliminating IF stagesSoftware-defined radios, BLE modules

3. Structure and Components

Typical RF Mixers consist of nonlinear semiconductor elements (diodes, BJTs, or FETs), impedance matching networks, and three frequency-selective ports (RF, LO, IF). Advanced designs integrate baluns for balanced signal processing and temperature compensation circuits. Packaging varies from surface-mount (SMD) for PCB integration to coaxial connectors for high-power applications. RFID-specific mixers often include on-chip filtering for 860-960 MHz UHF bands.

4. Key Technical Specifications

ParameterSignificanceTypical Values
Frequency RangeDetermines operational bandwidth50 MHz - 100 GHz
Conversion Loss/GainMeasures efficiency of frequency translation-6 dB to +12 dB
LO Drive LevelRequired local oscillator power0 dBm - 20 dBm
Isolation (RF-LO, IF-LO)Prevents signal leakage20 dB - 45 dB
IP3 (Third-Order Intercept)Indicates linearity performance+5 dBm - +25 dBm
Phase NoiseAffects signal purity-150 dBc/Hz @ 100 kHz offset

5. Application Fields

  • Telecommunications: 5G NR base stations, microwave backhaul
  • RFID Systems: UHF Gen2 readers, NFC payment terminals
  • Test & Measurement: Spectrum analyzers, signal generators
  • Industrial IoT: Wireless sensor networks, asset tracking
  • Medical Imaging: MRI system frequency conversion
  • Automotive Radar: 76-81 GHz FMCW radar mixers

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Analog DevicesADL58016 GHz active mixer, +18 dBm IIP3, 4G/5G applications
Mini-CircuitsZMX-7R2-S+26.5 GHz passive mixer, 50-4000 MHz bandwidth
Nordic SemiconductornRF24L012.4 GHz active mixer for Bluetooth LE
InfineonB4100N60ESiC mixer for 600V RFID systems
STMicroelectronicsSAW36R1M3.6 GHz SAW mixer for RFID readers

7. Selection Recommendations

Key selection criteria include: matching target frequency bands, required conversion gain/loss budget, LO power availability, and linearity requirements. For RFID applications, prioritize low LO leakage (<-15 dBm) and integrated filters. High-volume manufacturing should consider package type (QFN vs. die) and RoHS compliance. Always verify IP3 performance for multi-signal environments and check temperature stability (-40 C to +85 C) for industrial use.

8. Industry Trends

The market shifts toward: 1) Millimeter-wave mixers for 28/39 GHz 5G FR2 bands 2) System-on-Chip (SoC) integration with on-die mixers 3) Energy-efficient designs for battery-powered RFID tags 4) Software-defined radio (SDR) compatibility with programmable IF 5) Increased adoption of GaN mixers for high-power aerospace applications 6) Refined zero-IF architectures reducing component count in mobile devices

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