RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC441LP3

HMC441LP3

Analog Devices, Inc.

IC AMP GP 6.5GHZ-13.5GHZ 16SMT

2

HMC1082LP4E

HMC1082LP4E

Analog Devices, Inc.

IC RF AMP GP 5.5GHZ-18GHZ 24SMT

277

HMC997LC4TR-R5

HMC997LC4TR-R5

Analog Devices, Inc.

IC AMP RADAR 17GHZ-27GHZ 24CQFN

0

HMC409LP4ETR

HMC409LP4ETR

Analog Devices, Inc.

IC AMP WIMAX 3.3GHZ-3.8GHZ 24SMT

0

HMC531LP5E

HMC531LP5E

Analog Devices, Inc.

IC AMP VSAT 13.6-14.9GHZ 32QFN

472

HMC-C074

HMC-C074

Analog Devices, Inc.

IC RF AMP GP 10MHZ-6GHZ MODULE

4

HMC-C020

HMC-C020

Analog Devices, Inc.

IC AMP VSAT 17GHZ-24GHZ MODULE

0

HMC606LC5TR-R5

HMC606LC5TR-R5

Analog Devices, Inc.

IC RF AMP 2GHZ-18GHZ 32CSMT

0

HMC-ALH364

HMC-ALH364

Analog Devices, Inc.

IC RF AMP VSAT 24GHZ-32GHZ DIE

0

HMC659-SX

HMC659-SX

Analog Devices, Inc.

IC RF AMP GP 0HZ-15GHZ DIE

0

HMC453ST89E

HMC453ST89E

Analog Devices, Inc.

IC RF AMP GP 400MHZ-2.2GHZ SOT89

29

HMC531LP5ETR

HMC531LP5ETR

Analog Devices, Inc.

IC AMP VSAT 13.6-14.9GHZ 32QFN

957

HMC441LC3BTR

HMC441LC3BTR

Analog Devices, Inc.

IC RF AMP GP 6GHZ-18GHZ 12CSMT

533

HMC564LC4TR

HMC564LC4TR

Analog Devices, Inc.

IC RF AMP GP 7GHZ-14GHZ 24QFN

157

HMC441LP3TR

HMC441LP3TR

Analog Devices, Inc.

WIDE BAND LOW POWER AMPLIFIER, 6

8945

MAX2651EUB

MAX2651EUB

Analog Devices, Inc.

GSM900 LOW-NOISE AMPLIFIER

2778

AD8353ACP-REEL7

AD8353ACP-REEL7

Analog Devices, Inc.

WIDE BAND LOW POWER AMPLIFIER

13191

HMC382LP3E

HMC382LP3E

Analog Devices, Inc.

IC RF AMP GP 1.7GHZ-2.2GHZ 16QFN

0

HMC-ALH216

HMC-ALH216

Analog Devices, Inc.

IC RF AMP GP 14GHZ-27GHZ DIE

0

MAX2656EXT+T

MAX2656EXT+T

Analog Devices, Inc.

LOW-NOISE AMPLIFIER

22344

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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