RF Mixers

Image Part Number Description / PDF Quantity Rfq
LT5525EUF#TRPBF

LT5525EUF#TRPBF

Analog Devices, Inc.

IC MIXER 800MHZ-2.5GHZ DWN 16QFN

0

HMC558ALC3BTR

HMC558ALC3BTR

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL 12SMD

621

HMC785LP4ETR

HMC785LP4ETR

Analog Devices, Inc.

IC MMIC MIXER W/LO AMP 24-QFN

445

LT5512EUF#TRPBF

LT5512EUF#TRPBF

Analog Devices, Inc.

IC MIXER 1KHZ-3GHZ DWN 16QFN

0

HMC338-SX

HMC338-SX

Analog Devices, Inc.

SUB HARM MIX, 26-33 GHZ, DIE

4

HMC554ALC3B

HMC554ALC3B

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL 12SMD

430

LTC5540IUH#PBF

LTC5540IUH#PBF

Analog Devices, Inc.

IC MIXER 600MHZ-1.3GHZ DWN 20QFN

404

HMC8193LC4TR

HMC8193LC4TR

Analog Devices, Inc.

MIXERS

0

HMC412BMS8GE

HMC412BMS8GE

Analog Devices, Inc.

IC MIXER 9-15GHZ 8MSOPG

1813

LT5527EUF#PBF

LT5527EUF#PBF

Analog Devices, Inc.

IC MIXER 400MHZ-3.7GHZ DWN 16QFN

37

HMC525ALC4TR-R5

HMC525ALC4TR-R5

Analog Devices, Inc.

IC MMIC IQ MIXER 4-8.5GHZ 24SMD

0

MAX2682EUT-TG21

MAX2682EUT-TG21

Analog Devices, Inc.

SIGE DOWNCONVERTER MIXER

5100

HMC265LM3TR

HMC265LM3TR

Analog Devices, Inc.

IC MMIC MIXER 20-31GHZ 6SMD

0

AD8343ARUZ-REEL

AD8343ARUZ-REEL

Analog Devices, Inc.

DOUBLE BALANCED MIXER, 0MHZ MIN,

2060

HMC329ALC3B

HMC329ALC3B

Analog Devices, Inc.

IC MIXER MIXER 24-32GHZ 12SMD

19

HMC1048ALC3BTR-R5

HMC1048ALC3BTR-R5

Analog Devices, Inc.

IC MIXER DBL BALANCED 12SMD

0

HMC524ALC3BTR

HMC524ALC3BTR

Analog Devices, Inc.

IC MMIC IQ MIXER 12SMD

361

AD8343ARU-REEL

AD8343ARU-REEL

Analog Devices, Inc.

DOUBLE BALANCED MIXER, 0MHZ MIN,

22500

HMC-C046

HMC-C046

Analog Devices, Inc.

I/Q MIX MODULE 20 - 31 GHZ

0

HMC339-SX

HMC339-SX

Analog Devices, Inc.

IC MIXER SUB-HARMONIC DIE

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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