RF Mixers

Image Part Number Description / PDF Quantity Rfq
SKY73078-459LF

SKY73078-459LF

Skyworks Solutions, Inc.

IC MIXER 500-1500MHZ

0

HMC665LP4ETR

HMC665LP4ETR

Analog Devices, Inc.

IC MMIC MIXER LO/IF AMP 24-QFN

0

HMC351S8TR

HMC351S8TR

Analog Devices, Inc.

IC MIXER DBL-BAL HI IP3 8-SOIC

0

HMC525LC4TR

HMC525LC4TR

Analog Devices, Inc.

IC MMIC IQ MIXER 4-8.5GHZ 24-QFN

0

M8THC

M8THC

Metelics (MACOM Technology Solutions)

MIXER,LOW FREQUENCY

11

SA58641DK,112

SA58641DK,112

NXP Semiconductors

IC MIXER 500MHZ UP CONVRT 20SSOP

0

HMC520LC4TR

HMC520LC4TR

Analog Devices, Inc.

IC MMIC IQ MIXER 24SMD

0

HMC422MS8TR

HMC422MS8TR

Analog Devices, Inc.

IC MIXER DBL-BAL LO AMP 8-MSOP

0

HMC1043LC3TR

HMC1043LC3TR

Analog Devices, Inc.

IC MMIC TRIPLE MIXER 16SMD

0

SA608DK/01,118

SA608DK/01,118

NXP Semiconductors

IC MIXER 150MHZ UP CONVRT 20SSOP

0

IAM-92516-TR1

IAM-92516-TR1

Broadcom

IC MIXER RF GAAS FET 16LPCC

0

U2730B-NFS

U2730B-NFS

Roving Networks / Microchip Technology

IC MIXER 1.4-1.55GHZ 28SSO

0

HMC555-SX

HMC555-SX

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL DIE

0

HMC552LP4E

HMC552LP4E

Analog Devices, Inc.

IC MIXER DBL-BAL HI IP3 24SMD

0

SA602AN/01,112

SA602AN/01,112

NXP Semiconductors

IC MIXER 500MHZ UP CONVRT 8DIP

0

HMC170C8

HMC170C8

Analog Devices, Inc.

IC MMIC MIXER DBL-BAL CERAMIC

0

M74C

M74C

Metelics (MACOM Technology Solutions)

MIXER,DOUBLE BALANCED,CONNECTORI

0

HMC620LC4

HMC620LC4

Analog Devices, Inc.

IC MMIC IQ MIXER 24SMD

0

HMC527LC4

HMC527LC4

Analog Devices, Inc.

IC MMIC IQ MIXER 24SMD

0

MAMXSS0011TR

MAMXSS0011TR

Metelics (MACOM Technology Solutions)

MIXER MMIC 800-1000 MHZ

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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