RF Demodulators

Image Part Number Description / PDF Quantity Rfq
LMX8410RGZR

LMX8410RGZR

Texas Instruments

IC PWR MGMT SWITCHING REG

0

TRF371135IRGZT

TRF371135IRGZT

Texas Instruments

TRF371135 1.7 - 6.0 GHZ WIDE BAN

377

TRF3710IRGZR

TRF3710IRGZR

Texas Instruments

TRF3710 INTEGRATED DIRECT DOWN-C

10000

GC3021A-PQ

GC3021A-PQ

Texas Instruments

TELECOM CIRCUIT, 1-FUNC, PQFP160

2734

TRF371135IRGZR

TRF371135IRGZR

Texas Instruments

TRF371135 1.7 - 6.0 GHZ WIDE BAN

2500

TRF3710IRGZT

TRF3710IRGZT

Texas Instruments

TRF3710 INTEGRATED DIRECT DOWN-C

12500

TRF371109IRGZR

TRF371109IRGZR

Texas Instruments

RF DEMOD IC 300MHZ-1.7GHZ 48VQFN

0

TRF371109IRGZT

TRF371109IRGZT

Texas Instruments

RF DEMOD IC 300MHZ-1.7GHZ 48VQFN

1712750

TRF371125IRGZT

TRF371125IRGZT

Texas Instruments

RF DEMOD IC 700MHZ-4GHZ 48VQFN

2252250

TRF371125IRGZR

TRF371125IRGZR

Texas Instruments

TRF371125 0.7 - 4.0 GHZ WIDE BAN

6358

LMX8410RGZT

LMX8410RGZT

Texas Instruments

RF DEMOD IC 4GHZ-10GHZ 48VQFN

230

RF Demodulators

1. Overview

RF/IF demodulators are electronic devices that convert modulated radio frequency (RF) or intermediate frequency (IF) signals into baseband signals for data recovery. RFID RF demodulators specialize in extracting data from radio frequency identification (RFID) signals. These components are critical in wireless communication systems, enabling signal processing in applications ranging from telecommunications to IoT devices.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Amplitude DemodulatorsExtract amplitude variations (AM signals)AM radio receivers, RFID tag readers
Frequency DemodulatorsConvert frequency modulation (FM) to voltageFM transceivers, Bluetooth modules
Phase DemodulatorsDetect phase shifts (PSK/QAM signals)5G base stations, Wi-Fi 6 access points
IQ DemodulatorsSeparate in-phase and quadrature componentsSoftware-defined radios, MIMO systems

3. Structure and Components

Typical RF demodulator architecture includes: - RF front-end (low-noise amplifier) - Local oscillator (LO) for frequency conversion - Mixer for downconversion - Filter bank (IF/baseband filters) - Detector circuit (envelope/digital) - Output buffer amplifier Modern devices integrate these components in CMOS or GaAs processes for compact form factors.

4. Key Technical Specifications

ParameterImportanceTypical Value
Frequency RangeDetermines operational bandwidth100 MHz - 6 GHz
Conversion LossAffects signal strength6-12 dB
Dynamic RangeMeasures signal handling capability60-100 dB
Phase NoiseImpacts signal integrity-150 dBc/Hz @ 1 MHz offset
Power ConsumptionCritical for battery operation50-300 mW

5. Application Fields

Key industries and equipment: - Telecommunications: 5G NR base stations, microwave backhaul - Consumer Electronics: Smartphones, wireless earbuds - Industrial: RFID asset tracking systems - Medical: Wireless patient monitoring devices - Automotive: Tire pressure monitoring systems (TPMS)

6. Leading Manufacturers and Products

ManufacturerProductKey Features
Texas InstrumentsTRF37226 GHz IQ demodulator for software radios
Analog DevicesADL5387High-linearity demodulator for DOCSIS 3.1
NXP SemiconductorsMRD2100UHF RFID demodulator for logistics
STMicroelectronicsSTW7760Multi-standard demodulator for IoT devices

7. Selection Guide

Key considerations: - Match frequency range with system requirements - Balance dynamic range vs. power consumption - Evaluate integration level (discrete vs. SoC) - Consider package size for PCB constraints - Verify compliance with industry standards (ETSI, FCC) - Example: For RFID readers, prioritize high sensitivity (-90 dBm+) and protocol compatibility (ISO18000-63)

8. Industry Trends

Current developments include: - mmWave demodulation for 28/39 GHz 5G bands - AI-enhanced digital demodulation algorithms - Ultra-low-power wake-up receivers (<10 A) - Optical RF demodulation for photonic systems - RISC-V integrated demodulation SoCs The global market is projected to grow at 7.2% CAGR through 2030 driven by IoT and 5G deployments.

RFQ BOM Call Skype Email
Top