RF Mixers

Image Part Number Description / PDF Quantity Rfq
LTC5562IUC#TRMPBF

LTC5562IUC#TRMPBF

Analog Devices, Inc.

LF-7GHZ LOW-POWER, WIDEBAND ACTI

0

HMC264LC3BTR-R5

HMC264LC3BTR-R5

Analog Devices, Inc.

IC MIXER SUB-HARMONIC 12SMD

0

MAX2682EUT-G21

MAX2682EUT-G21

Analog Devices, Inc.

SIGE DOWNCONVERTER MIXER

4339

HMC688LP4ETR

HMC688LP4ETR

Analog Devices, Inc.

BICMOS MMIC MIXER WITH INTEGRATE

3490

HMC815BLC5TR

HMC815BLC5TR

Analog Devices, Inc.

MIXER, UPCONVERTER

0

ADL5801ACPZ-R7

ADL5801ACPZ-R7

Analog Devices, Inc.

IC MXR 10MHZ-6GHZ UP/DWN 24LFCSP

2167

HMC338

HMC338

Analog Devices, Inc.

IC MIXER SUB-HARMONIC DIE

0

HMC-C041

HMC-C041

Analog Devices, Inc.

IC MIXER 3.5GHZ SMA CONNECTORS

3

HMC213BMS8E

HMC213BMS8E

Analog Devices, Inc.

MIXER

255

MAX19996AETP+

MAX19996AETP+

Analog Devices, Inc.

TELECOM CIRCUIT, 1-FUNC, BICMOS

506

AD6633CBCZ

AD6633CBCZ

Analog Devices, Inc.

IC MIXER UP CONVRT 196CSBGA

2579

HMC785LP4E

HMC785LP4E

Analog Devices, Inc.

IC MMIC MIXER W/LO AMP 24-QFN

0

LTC5593IUH#PBF

LTC5593IUH#PBF

Analog Devices, Inc.

IC MIXR 2.3-4.5GHZ DWNCONV 24QFN

66

MAX2388EGC-T

MAX2388EGC-T

Analog Devices, Inc.

MAX2388 W-CDMA LNA/MIXER IC

688

LTC5541IUH#PBF

LTC5541IUH#PBF

Analog Devices, Inc.

IC MIXR 1.3-2.3GHZ DWNCONV 20QFN LTC5541IUH#PBF

7500

MAX2530ETI

MAX2530ETI

Analog Devices, Inc.

QUAD-MODE MIXER

1470

HMC684LP4E

HMC684LP4E

Analog Devices, Inc.

IC MMIC MIXER LO AMP 24-QFN

33

MAX9982ETP+

MAX9982ETP+

Analog Devices, Inc.

RF AND BASEBAND CIRCUIT, BICMOS

10500

LT5519EUF#TRPBF

LT5519EUF#TRPBF

Analog Devices, Inc.

IC MIXER 700MHZ-1.4GHZ UP 16QFN

0

MAX2537ETI+

MAX2537ETI+

Analog Devices, Inc.

QUAD-MODE MIXER

7685

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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