RF Mixers

Image Part Number Description / PDF Quantity Rfq
M4TH

M4TH

Metelics (MACOM Technology Solutions)

MIXER,MICROWAVE

10

M8H-7

M8H-7

Metelics (MACOM Technology Solutions)

MIXER,MICROWAVE,LOW FREQUENCY

2532

TRF1222IRTMR

TRF1222IRTMR

Texas Instruments

UP CONVERTER

48000

AD8343ARU

AD8343ARU

Analog Devices, Inc.

DOUBLE BALANCED MIXER

25123

CSM1-13

CSM1-13

Metelics (MACOM Technology Solutions)

MIXER.LOW COST

100458

LTC5577IUF#TRPBF

LTC5577IUF#TRPBF

Analog Devices, Inc.

IC MIXER DOWN CONVERTER 16QFN

0

HMC685LP4E

HMC685LP4E

Analog Devices, Inc.

IC MMIC MIXER LO AMP 24-QFN

45

HMC8191LC4

HMC8191LC4

Analog Devices, Inc.

IC MMIC I/Q UPCONVERTER 32SMD

215

MAX2389EGC

MAX2389EGC

Analog Devices, Inc.

MAX2389 W-CDMA LNA/MIXER IC

3746

HMC1063LP3E

HMC1063LP3E

Analog Devices, Inc.

IC MMIC IQ MIXER GAAS 16SMD

35

LT5579IUH#PBF

LT5579IUH#PBF

Analog Devices, Inc.

IC MIXER 1.5-3.8GHZ 24QFN

153

SA615D/01,118

SA615D/01,118

NXP Semiconductors

IC MIXER 500MHZ UP CONVRT 20SO

571

MAX19985AETX+

MAX19985AETX+

Maxim Integrated

IC MIXER 700MHZ-1GHZ DWN 36TQFN

45

LTC5576IUF#TRPBF

LTC5576IUF#TRPBF

Analog Devices, Inc.

IC MIXER DOWN CONVERTER 16QFN

0

SM4G

SM4G

Metelics (MACOM Technology Solutions)

MIXER,SURFACE MOUNT

10

MAX2680EUT

MAX2680EUT

Analog Devices, Inc.

SIGE DOWNCONVERTER MIXER

14508

M2EC

M2EC

Metelics (MACOM Technology Solutions)

MIXER,DOUBLE BALANCED,CASCADED

10

HMC966LP4E

HMC966LP4E

Analog Devices, Inc.

IC MMIC IQ DOWNCONVERTER 24-QFN

70

MDS-222-PIN

MDS-222-PIN

Metelics (MACOM Technology Solutions)

MIXER,DB,RF

10

LTC5510IUF#TRPBF

LTC5510IUF#TRPBF

Analog Devices, Inc.

HIGH LIINEARITY MIXER 16QFN

1253

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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