RF Mixers

Image Part Number Description / PDF Quantity Rfq
MAX9995ETX+T

MAX9995ETX+T

Maxim Integrated

IC MIXER 1.7-2.2GHZ DWN 36TQFN

5000

STW82101B

STW82101B

STMicroelectronics

IC MIXER 695-960MHZ DWN CONV

0

LT5557EUF#TRPBF

LT5557EUF#TRPBF

Analog Devices, Inc.

IC MIXER 400MHZ-3.8GHZ DWN 16QFN

0

M63C

M63C

Metelics (MACOM Technology Solutions)

MIXER,DOUBLE BALANCED

21

HMC787ALC3BTR-R5

HMC787ALC3BTR-R5

Analog Devices, Inc.

DOUBLE-BALANCED - MIXER, 3-11GHZ

0

HMC337-SX

HMC337-SX

Analog Devices, Inc.

IC MIXER SUB-HARMONIC DIE

0

M83

M83

Metelics (MACOM Technology Solutions)

MIXER,MICROWAVE

10

HMC1056LP4BETR

HMC1056LP4BETR

Analog Devices, Inc.

IC MMIC IQ MIXER GAAS 20SMD

0

AD831AP-REEL

AD831AP-REEL

Analog Devices, Inc.

DOUBLE BALANCED MIXER

62402

BH4138FV-E2

BH4138FV-E2

ROHM Semiconductor

IC MIXER 10-200MHZ 16SSOPB

0

ADE-11X+

ADE-11X+

LEVEL 7, SMT DOUBLE BALANCED MIX

0

M2B

M2B

Metelics (MACOM Technology Solutions)

MIXER,DOUBLE BALANCED

2525

MAX2673EUA+

MAX2673EUA+

Maxim Integrated

IC MIXER 400MHZ-2.5GHZ UP 8UMAX

1833850

HMC686LP4ETR

HMC686LP4ETR

Analog Devices, Inc.

IC MMIC MIXER BICMOS 24-QFN

0

HMC520ALC4

HMC520ALC4

Analog Devices, Inc.

IC MMIC IQ MIXER 24LCC

180

HMC292ALC3BTR

HMC292ALC3BTR

Analog Devices, Inc.

IC MMIC MIXER HI IP3 12-QFN

27

QMC-MIX19-FB00

QMC-MIX19-FB00

Quantum Microwave Components

WR-19 BALANCED MIXER

0

HMC410AMS8GE

HMC410AMS8GE

Analog Devices, Inc.

IC MIXER HI IP3 DBL-BAL

1

LT5511EFE#TRPBF

LT5511EFE#TRPBF

Analog Devices, Inc.

IC MIXER 10MHZ-3GHZ UP 16TSSOP

0

HMC129ALC4TR-R5

HMC129ALC4TR-R5

Analog Devices, Inc.

4-8GHZ DBL-BAL MIXER

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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