RF Mixers

Image Part Number Description / PDF Quantity Rfq
LNB-183188-60/120

LNB-183188-60/120

MITEQ, Inc.(L3 Narda-MITEQ)

HIGH PERFORMANCE KA-BAND LOW NOI

0

DM0078A27W

DM0078A27W

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - HIGH ISO

0

DM0408LW2

DM0408LW2

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - HIGH ISO

0

DMX0914D22AA

DMX0914D22AA

MITEQ, Inc.(L3 Narda-MITEQ)

HIGH ISOLATION UPCONVERTING MIXE

0

DMY0207L

DMY0207L

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - HIGH ISO

0

ME2040W1-R

ME2040W1-R

MITEQ, Inc.(L3 Narda-MITEQ)

EVEN HARMONIC MIXER - 1/2 LO

0

LNB-2640-32

LNB-2640-32

MITEQ, Inc.(L3 Narda-MITEQ)

BLOCK DOWNCONVERTER

0

IR2400F18Z

IR2400F18Z

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IRM0204LC2A-R

IRM0204LC2A-R

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IR0502C28F

IR0502C28F

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IR0218MC1B

IR0218MC1B

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

ARZ0035

ARZ0035

MITEQ, Inc.(L3 Narda-MITEQ)

LOW NOISE FRONT END

0

IRM5800B24X

IRM5800B24X

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IR3545E28V

IR3545E28V

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IRA8596E28J-MS3

IRA8596E28J-MS3

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

TBR0218HA1

TBR0218HA1

MITEQ, Inc.(L3 Narda-MITEQ)

TRIPLE BALANCED MIXER

0

DM1420D13S-D

DM1420D13S-D

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER

0

IR0502MC1C

IR0502MC1C

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IRM0104LC1Q

IRM0104LC1Q

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IR0812HC2Q

IR0812HC2Q

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

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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