| Image | Part Number | Description / PDF | Quantity | Rfq |
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New Japan Radio (NJR) |
RF DEMODULATOR IC 455KHZ 20SSOP |
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New Japan Radio (NJR) |
RF DEMODULATOR IC 455KHZ 14SSOP |
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New Japan Radio (NJR) |
RF DEMODULATOR IC 14DMP |
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New Japan Radio (NJR) |
IC FM IF DEMODULATOR 14SSOP |
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New Japan Radio (NJR) |
RF DEMODULATOR IC 14DIP |
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New Japan Radio (NJR) |
IC FM IF DEMODULATOR 14SSOP |
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New Japan Radio (NJR) |
IC FM IF DEMODULATOR 14SSOP |
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New Japan Radio (NJR) |
IC FSK DEMOD/TONE DECODE BIPO 14 |
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New Japan Radio (NJR) |
IC FSK DEMOD/TONE DECODE BIPO 14 |
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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.
| Type | Functional Features | Application Examples |
|---|---|---|
| Amplitude Demodulators | Extract amplitude variations (AM signals) | AM radio receivers, RFID tag readers |
| Frequency Demodulators | Convert frequency modulation (FM) to voltage | FM transceivers, Bluetooth modules |
| Phase Demodulators | Detect phase shifts (PSK/QAM signals) | 5G base stations, Wi-Fi 6 access points |
| IQ Demodulators | Separate in-phase and quadrature components | Software-defined radios, MIMO systems |
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.
| Parameter | Importance | Typical Value |
|---|---|---|
| Frequency Range | Determines operational bandwidth | 100 MHz - 6 GHz |
| Conversion Loss | Affects signal strength | 6-12 dB |
| Dynamic Range | Measures signal handling capability | 60-100 dB |
| Phase Noise | Impacts signal integrity | -150 dBc/Hz @ 1 MHz offset |
| Power Consumption | Critical for battery operation | 50-300 mW |
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)
| Manufacturer | Product | Key Features |
|---|---|---|
| Texas Instruments | TRF3722 | 6 GHz IQ demodulator for software radios |
| Analog Devices | ADL5387 | High-linearity demodulator for DOCSIS 3.1 |
| NXP Semiconductors | MRD2100 | UHF RFID demodulator for logistics |
| STMicroelectronics | STW7760 | Multi-standard demodulator for IoT devices |
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)
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.