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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER - ULTRA BR |
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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER - HIGH ISO |
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MITEQ, Inc.（L3 Narda-MITEQ） |
MIXER |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER - HIGH ISO |
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MITEQ, Inc.（L3 Narda-MITEQ） |
MIXER |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER PRE-AMPLIF |
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MITEQ, Inc.（L3 Narda-MITEQ） |
MIXER |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER - ULTRA BR |
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MITEQ, Inc.（L3 Narda-MITEQ） |
BLOCK DOWNCONVERTER |
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MITEQ, Inc.（L3 Narda-MITEQ） |
LOW NOISE FRONT END |
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MITEQ, Inc.（L3 Narda-MITEQ） |
DOUBLE BALANCED MIXER - ULTRA BR |
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MITEQ, Inc.（L3 Narda-MITEQ） |
MIXER |
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MITEQ, Inc.（L3 Narda-MITEQ） |
MIXER |
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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.
| Type | Functional Features | Application Examples |
|---|---|---|
| Passive Mixers | Use diodes or FETs without external power, offering high linearity and wide bandwidth | Satellite communication, test equipment |
| Active Mixers | Use transistors with power supply, provide conversion gain and isolation | 5G base stations, RFID readers |
| Up-Conversion Mixers | Convert low-frequency signals to higher RF frequencies | Wireless transmitters, radar systems |
| Down-Conversion Mixers | Convert high-frequency signals to lower IF/baseband | Smartphone receivers, RFID interrogators |
| Zero-IF Mixers | Direct conversion to DC/baseband, eliminating IF stages | Software-defined radios, BLE modules |
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.
| Parameter | Significance | Typical Values |
|---|---|---|
| Frequency Range | Determines operational bandwidth | 50 MHz - 100 GHz |
| Conversion Loss/Gain | Measures efficiency of frequency translation | -6 dB to +12 dB |
| LO Drive Level | Required local oscillator power | 0 dBm - 20 dBm |
| Isolation (RF-LO, IF-LO) | Prevents signal leakage | 20 dB - 45 dB |
| IP3 (Third-Order Intercept) | Indicates linearity performance | +5 dBm - +25 dBm |
| Phase Noise | Affects signal purity | -150 dBc/Hz @ 100 kHz offset |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Analog Devices | ADL5801 | 6 GHz active mixer, +18 dBm IIP3, 4G/5G applications |
| Mini-Circuits | ZMX-7R2-S+ | 26.5 GHz passive mixer, 50-4000 MHz bandwidth |
| Nordic Semiconductor | nRF24L01 | 2.4 GHz active mixer for Bluetooth LE |
| Infineon | B4100N60E | SiC mixer for 600V RFID systems |
| STMicroelectronics | SAW36R1M | 3.6 GHz SAW mixer for RFID readers |
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.
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