RF Mixers

Image Part Number Description / PDF Quantity Rfq
ADRF6601ACPZ-R7

ADRF6601ACPZ-R7

Analog Devices, Inc.

300 MHZ TO 2500 MHZ RX MIXER WIT

497

HMC1093

HMC1093

Analog Devices, Inc.

IC MMIC IQ MIXER DIE

0

MAX2682EUT+T

MAX2682EUT+T

Maxim Integrated

IC MXR 400MHZ-2.5GHZ DWN SOT23-6

4759

DM0208LW2

DM0208LW2

MITEQ, Inc.(L3 Narda-MITEQ)

HIGH ISOLATION DOUBLE BALANCED

0

TRF1122IRTMT

TRF1122IRTMT

Texas Instruments

UP CONVERTER

17155

MAX19999ETX+T

MAX19999ETX+T

Maxim Integrated

IC MIXER 3-4GHZ DWNCONV 36TQFN

0

HSP50016JC-5296

HSP50016JC-5296

DIGITAL DOWN CONVERTER

9994

ADE-1L+

ADE-1L+

LEVEL 3, SMT DOUBLE BALANCED MIX

0

LTC5555IUFD#TRPBF

LTC5555IUFD#TRPBF

Analog Devices, Inc.

1.5GHZ TO 7GHZ PRGM GAIN DWNCONV

0

MAMX-011023-TR3000

MAMX-011023-TR3000

Metelics (MACOM Technology Solutions)

IC MIXER 9DB 5-25GHZ RF 6TDFN

72000

STW82100BTR

STW82100BTR

STMicroelectronics

IC MIXER 1.62-2.4GHZ DWN CONV

0

SYM-12+

SYM-12+

LEVEL 7, SMT DOUBLE BALANCED MIX

0

HMC521ALC4TR

HMC521ALC4TR

Analog Devices, Inc.

IC MMIC IQ MIXER 24CLCC

0

LT5525EUF#TRPBF

LT5525EUF#TRPBF

Analog Devices, Inc.

IC MIXER 800MHZ-2.5GHZ DWN 16QFN

0

MAX19997AETX+

MAX19997AETX+

Maxim Integrated

IC MIXER 1.8-2.9GHZ DWN 36TQFN

50150

STW82100B

STW82100B

STMicroelectronics

IC MIXER 1.62-2.4GHZ DWN CONV

0

HMC558ALC3BTR

HMC558ALC3BTR

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL 12SMD

621

STW82103BTR

STW82103BTR

STMicroelectronics

IC MIXER 2.3-2.7GHZ DWN CONV

0

MAMXSS0012TR-3000

MAMXSS0012TR-3000

Metelics (MACOM Technology Solutions)

MIXER SMT 800-1000 MHZ SOT-25

300012000

SM4B

SM4B

Metelics (MACOM Technology Solutions)

MIXER,SURFACE MOUNT

25

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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