RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
ADPA7005CHIP

ADPA7005CHIP

Analog Devices, Inc.

31 DBM P1DB, 15 DB GAIN

25

HMC1126-SX

HMC1126-SX

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-50GHZ DIE

4

ADL7003CHIPS

ADL7003CHIPS

Analog Devices, Inc.

50-90GHZ LNA DIE

0

HMC392A

HMC392A

Analog Devices, Inc.

IC RF AMP CDMA 1.7GHZ-2.7GHZ

100

HMC8121-SX

HMC8121-SX

Analog Devices, Inc.

IC RF AMP 81GHZ-86GHZ DIE

0

HMC-C022

HMC-C022

Analog Devices, Inc.

IC AMP VSAT 10MHZ-20GHZ MODULE

0

HMC8119-SX

HMC8119-SX

Analog Devices, Inc.

IC RF AMP 81GHZ-86GHZ DIE

1

HMC913-SX

HMC913-SX

Analog Devices, Inc.

IC RF AMP GP 600MHZ-20GHZ DIE

0

HMC8120

HMC8120

Analog Devices, Inc.

IC RF AMP 71GHZ-76GHZ DIE

0

ADL7003CHIPS-SX

ADL7003CHIPS-SX

Analog Devices, Inc.

50-90GHZ LNA DIE- 2 PC

2

HMC1022A-SX

HMC1022A-SX

Analog Devices, Inc.

0.01-50GHZ 0.1W DISTRIBUTED AMPL

0

HMC478ST89E

HMC478ST89E

Analog Devices, Inc.

IC RF AMP GP 0HZ-4GHZ SOT89

0

HMC668LP3

HMC668LP3

Analog Devices, Inc.

IC RF AMP GP 700MHZ-1.2GHZ 16QFN

0

HMC998LP5E

HMC998LP5E

Analog Devices, Inc.

IC RF AMP GP 100MHZ-20GHZ 32SMT

0

HMC414MS8G

HMC414MS8G

Analog Devices, Inc.

IC AMP BLUETOOTH 2.2-2.8GHZ 8SMD

0

HMC743ALP6CETR

HMC743ALP6CETR

Analog Devices, Inc.

IC RF AMP LTE 0HZ-4GHZ 40SMT

0

HMC392

HMC392

Analog Devices, Inc.

IC RF AMP GP 3.5GHZ-7GHZ DIE

0

HMC311SC70

HMC311SC70

Analog Devices, Inc.

IC RF AMP GP 0HZ-8GHZ SC70-6

0

HMC876LC3CTR

HMC876LC3CTR

Analog Devices, Inc.

IC MMIC AMP GAAS PHEMT 2A 16QFN

0

HMC681ALP5E

HMC681ALP5E

Analog Devices, Inc.

IC RF AMP LTE 0HZ-1GHZ 32SMT

0

RF Amplifiers

1. Overview

RF/IF amplifiers and RFID amplifiers are critical components in wireless communication systems, designed to boost signal strength while maintaining signal integrity. RF amplifiers operate across radio frequency (RF) and intermediate frequency (IF) bands, enabling signal transmission/reception in devices like base stations, IoT modules, and medical equipment. RFID amplifiers specialize in enhancing signals for radio frequency identification systems, ensuring reliable data exchange between readers and tags. These components are essential for modern technologies such as 5G networks, smart logistics, and contactless payment systems.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Low Noise Amplifier (LNA)High sensitivity, minimal added noiseRF receivers, satellite communication
Power Amplifier (PA)High output power, efficiency optimizationCellular base stations, Wi-Fi routers
IF AmplifierFixed/dynamic gain control at IF bandsTelevision tuners, radar systems
Variable Gain Amplifier (VGA)Adjustable gain for signal conditioningSoftware-defined radios, test equipment
RFID Reader AmplifierImpedance matching for tag interrogationUHF RFID readers, NFC terminals

3. Structure and Components

Typical RF amplifiers consist of: - Dielectric substrate (e.g., FR4, Rogers material) with conductive traces - Transistor elements (GaAs FETs, SiGe BJTs, or GaN HEMTs) - Impedance matching networks (LC circuits or microstrip lines) - Thermal management (heat sinks or thermal vias) - Shielded enclosure for EMI protection Modern designs integrate bias tees, directional couplers, and protection diodes.

4. Key Technical Specifications

ParameterDescriptionImportance
Gain (dB)Signal amplification ratioDetermines signal reach and clarity
Noise Figure (dB)Additional noise introducedImpacts receiver sensitivity
Output Power (dBm)Maximum deliverable powerDictates transmission distance
Frequency Range (GHz)Operational bandwidthSystem compatibility factor
P1dB CompressionLinear-to-saturation thresholdEnsures signal fidelity
IP3 (dBm)Intermodulation distortion resistanceMulti-signal environment performance

5. Application Fields

  • Telecommunications: 5G NR base stations, microwave links
  • Healthcare: MRI machine RF coils, wireless endoscopy
  • Logistics: UHF RFID warehouse automation
  • Automotive: V2X communication modules, tire pressure sensors
  • Consumer Electronics: Bluetooth LE beacons, NFC payment terminals

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsLMX2500Integrated synthesizer with 15dBm output power
Analog DevicesADAR10004-channel mmWave beamformer for 24GHz RFID
STMicroelectronicsSTRF79XHighly integrated NFC/RFID transceiver
Nordic SemiconductornRF215402.4GHz front-end module with +20dB gain
ImpinjR4H001UHF Gen2 RFID reader IC with on-chip amplifier

7. Selection Guidelines

Key considerations include: - Frequency alignment with system requirements - Gain flatness across operational bandwidth - Thermal dissipation capabilities - Package type (QFN, BGA, or connectorized) - Environmental compliance (temperature, humidity) - Cost vs. performance trade-offs

8. Industry Trends

Emerging trends include: - Transition to GaN technology for higher power density - Silicon integration for mmWave applications - AI-driven dynamic impedance matching - Energy-efficient Class-J and Doherty architectures - Convergence with photonic ICs for 6G systems

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