RF Mixers

Image Part Number Description / PDF Quantity Rfq
AD8343ARUZ

AD8343ARUZ

Analog Devices, Inc.

IC MXR 0HZ-2.5GHZ UP/DWN 14TSSOP

100

MAX2673EUA-T

MAX2673EUA-T

Analog Devices, Inc.

UPCONVERTER MIXER

2500

MAX2682EUT-T

MAX2682EUT-T

Analog Devices, Inc.

DOWNCONVERTER MIXER

43200

HMC951ALP4E

HMC951ALP4E

Analog Devices, Inc.

DOWN-CONVERTER

23

MAX2538ETI-TG097

MAX2538ETI-TG097

Analog Devices, Inc.

QUADRUPLE-MODE PCS/CELLULAR/GPS

5000

HMC1081-SX

HMC1081-SX

Analog Devices, Inc.

IC MMIC IQ MIXER DIE

6

MAX2683EUE+

MAX2683EUE+

Analog Devices, Inc.

MIXER WITH SELECTABLE DOUBLER

25902

HMC8192

HMC8192

Analog Devices, Inc.

20 TO 42GHZ I/Q MIXER

0

ADL5353ACPZ-R7

ADL5353ACPZ-R7

Analog Devices, Inc.

2200 MHZ TO 2700 MHZ BALANCED MI

11803

MAX2106UCM

MAX2106UCM

Analog Devices, Inc.

MAX2106 DBS DIRECT DOWNCONVERTER

513

LT5525EUF#PBF

LT5525EUF#PBF

Analog Devices, Inc.

IC MIXER 800MHZ-2.5GHZ DWN 16QFN

360

MAX2537EGI

MAX2537EGI

Analog Devices, Inc.

QUAD-MODE MIXER

11562

AD6634BBCZ

AD6634BBCZ

Analog Devices, Inc.

IC MIXER DUAL 196CSBGA

0

HMC8191LC4TR-R5

HMC8191LC4TR-R5

Analog Devices, Inc.

SMT I/Q MIXER 6-26.5GHZ

388

HMC798ALC4

HMC798ALC4

Analog Devices, Inc.

IC MMIC MIXER SUB-HARM 24SMD

12

LTC5590IUH#TRPBF

LTC5590IUH#TRPBF

Analog Devices, Inc.

IC MIXER 600MHZ-1.7GHZ 24QFN

0

LT5557EUF#PBF

LT5557EUF#PBF

Analog Devices, Inc.

IC MIXER 400MHZ-3.8GHZ DWN 16QFN

2624

HMC554ALC3BTR-R5

HMC554ALC3BTR-R5

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL 12SMD

0

ADRF6655ACPZ-R7

ADRF6655ACPZ-R7

Analog Devices, Inc.

BROADBAND UP/DOWNCONVERTING MIXE

2126

HMC265LM3

HMC265LM3

Analog Devices, Inc.

IC MIXER SUB-HARMONIC CERAMIC

2

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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