RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC405-SX

HMC405-SX

Analog Devices, Inc.

IC RF AMP VSAT 0HZ-10GHZ DIE

0

ADL5320ARKZ-R7

ADL5320ARKZ-R7

Analog Devices, Inc.

IC RF AMP 400MHZ-2.7GHZ SOT89-3

671

HMC634LC4

HMC634LC4

Analog Devices, Inc.

IC RF AMP GP 5GHZ-20GHZ 24SMT

115

HMC8411LP2FE

HMC8411LP2FE

Analog Devices, Inc.

DC - 8 GHZ 15 DB GAIN

897

AD8351ARMZ-REEL7

AD8351ARMZ-REEL7

Analog Devices, Inc.

IC RF AMP GP 0HZ-2.2GHZ 10MSOP

514

HMC498LC4

HMC498LC4

Analog Devices, Inc.

RF AMPLIFIER 17GHZ-24GHZ 24TFQFN

6

HMC-C002

HMC-C002

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-20GHZ MODULE

0

HMC742ALP5E

HMC742ALP5E

Analog Devices, Inc.

IC RF AMP LTE 70MHZ-4GHZ 32QFN

18

HMC565

HMC565

Analog Devices, Inc.

IC RF AMP VSAT 6GHZ-20GHZ DIE

200

HMC376LP3ETR

HMC376LP3ETR

Analog Devices, Inc.

IC RF AMP GP 700MHZ-1GHZ 16QFN

511

HMC564

HMC564

Analog Devices, Inc.

IC RF AMP GP 7GHZ-13.5GHZ DIE

25

HMC866LC3

HMC866LC3

Analog Devices, Inc.

IC RF AMP GP 16SMT

12

MAX2665EWS+T

MAX2665EWS+T

Analog Devices, Inc.

VHF/UHF LOW-NOISE AMPLIFIER

102284

HMC-C072

HMC-C072

Analog Devices, Inc.

IC RF AMP VSAT 6GHZ-12GHZ MODULE

3

ADL5610ARKZ-R7

ADL5610ARKZ-R7

Analog Devices, Inc.

IC AMP W-CDMA 30MHZ-6GHZ SOT89-3

131

HMC374E

HMC374E

Analog Devices, Inc.

IC RF AMP GP 300MHZ-3GHZ SOT26

11

HMC1013LP4E

HMC1013LP4E

Analog Devices, Inc.

IC AMP RADAR 500MHZ-18.5GHZ SMT

29

HMC752LC4

HMC752LC4

Analog Devices, Inc.

IC RF AMP GP 24GHZ-28GHZ 24CSMT

10

HMC613LC4BTR-R5

HMC613LC4BTR-R5

Analog Devices, Inc.

IC AMP RADAR 100MHZ-20GHZ 24SMT

0

ADPA9002ACGZN

ADPA9002ACGZN

Analog Devices, Inc.

DC - 10 GHZ 2 WATT PA

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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