RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC-ALH313

HMC-ALH313

Analog Devices, Inc.

IC RF AMP VSAT 27GHZ-33GHZ DIE

0

HMC392LH5TR

HMC392LH5TR

Analog Devices, Inc.

IC RF AMP GP 3.5GHZ-7GHZ 12SMT

0

HMC668LP3ETR

HMC668LP3ETR

Analog Devices, Inc.

IC RF AMP GP 700MHZ-1.2GHZ 16QFN

0

HMC384LP4TR

HMC384LP4TR

Analog Devices, Inc.

IC AMP GP 2.05GHZ-2.25GHZ 24QFN

0

HMC318MS8GETR

HMC318MS8GETR

Analog Devices, Inc.

IC AMP HIPERLAN 5GHZ-6GHZ 8MSOP

0

HMC453ST89

HMC453ST89

Analog Devices, Inc.

IC RF AMP GP 400MHZ-2.2GHZ SOT89

0

HMC757

HMC757

Analog Devices, Inc.

IC RF AMP VSAT 16GHZ-24GHZ DIE

0

HMC311LP3TR

HMC311LP3TR

Analog Devices, Inc.

IC RF AMP WLAN 0HZ-8GHZ 16SMT

0

HMC757LP4ETR

HMC757LP4ETR

Analog Devices, Inc.

IC RF AMP VSAT 16GHZ-24GHZ 24SMT

0

HMC478MP86ETR

HMC478MP86ETR

Analog Devices, Inc.

IC RF AMP GP 0HZ-4GHZ

0

HMC491LP3ETR

HMC491LP3ETR

Analog Devices, Inc.

IC AMP VSAT 3.4GHZ-3.8GHZ 16QFN

0

HMC-VVD106-SX

HMC-VVD106-SX

Analog Devices, Inc.

IC MMIC RF AMP VGA PHEMT DIE

0

HMC667LP2

HMC667LP2

Analog Devices, Inc.

IC RF AMP GP 2.3GHZ-2.7GHZ 6DFN

0

HMC408LP3TR

HMC408LP3TR

Analog Devices, Inc.

IC AMP HIPERLAN 5.1-5.9GHZ 16SMT

0

HMC474SC70ETR

HMC474SC70ETR

Analog Devices, Inc.

IC RF AMP WIMAX 0HZ-6GHZ SC70-6

0

HMC619-SX

HMC619-SX

Analog Devices, Inc.

IC RF AMP GP 0HZ-10GHZ DIE 1=2PC

0

HMC617LP3E

HMC617LP3E

Analog Devices, Inc.

IC RF AMP GP 550MHZ-1.2GHZ 16QFN

0

HMC318MS8GE

HMC318MS8GE

Analog Devices, Inc.

IC AMP HIPERLAN 5GHZ-6GHZ 8MSOP

0

LT5524EFE

LT5524EFE

Analog Devices, Inc.

IC RF AMP GP 0HZ-540MHZ 20TSSOP

0

HMC413QS16G

HMC413QS16G

Analog Devices, Inc.

IC AMP CELL 1.6GHZ-2.2GHZ 16QSOP

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

RFQ BOM Call Skype Email
Top