RF Mixers

Image Part Number Description / PDF Quantity Rfq
IR0812HC2A

IR0812HC2A

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

TB124D08D

TB124D08D

MITEQ, Inc.(L3 Narda-MITEQ)

TRIPLE BALANCED MIXER

0

TB0218B17E

TB0218B17E

MITEQ, Inc.(L3 Narda-MITEQ)

TRIPLE BALANCED MIXER

0

LNB-202212-60/120-1

LNB-202212-60/120-1

MITEQ, Inc.(L3 Narda-MITEQ)

HIGH PERFORMANCE KA-BAND LOW NOI

0

ARL5359LC2A

ARL5359LC2A

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IRM5090M08V

IRM5090M08V

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

IR1217A03N

IR1217A03N

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

DMX0418M

DMX0418M

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - HIGH ISO

0

IRM0618HC2Q

IRM0618HC2Q

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

SYS0204L12P

SYS0204L12P

MITEQ, Inc.(L3 Narda-MITEQ)

SUB ASSEMBLY

0

SBE3336G06AC

SBE3336G06AC

MITEQ, Inc.(L3 Narda-MITEQ)

EVEN HARMONIC MIXER - 1/2 LO

0

DB0118LA2-R

DB0118LA2-R

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - ULTRA BR

0

IR0104HC1A

IR0104HC1A

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

TB1219E05V

TB1219E05V

MITEQ, Inc.(L3 Narda-MITEQ)

TRIPLE BALANCED MIXER

0

DBF1800W3

DBF1800W3

MITEQ, Inc.(L3 Narda-MITEQ)

MESFET MIXER - HIGH DYNAMIC RANG

0

DMX0207M

DMX0207M

MITEQ, Inc.(L3 Narda-MITEQ)

DOUBLE BALANCED MIXER - HIGH ISO

0

SYS1921J18Z-R

SYS1921J18Z-R

MITEQ, Inc.(L3 Narda-MITEQ)

BLOCK DOWNCONVERTER

0

IRE0208LI1A

IRE0208LI1A

MITEQ, Inc.(L3 Narda-MITEQ)

MIXER

0

ME3235W1

ME3235W1

MITEQ, Inc.(L3 Narda-MITEQ)

EVEN HARMONIC MIXER - 1/2 LO

0

TB1406A27AC

TB1406A27AC

MITEQ, Inc.(L3 Narda-MITEQ)

TRIPLE BALANCED 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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