RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
AD8350ARM20-REEL7

AD8350ARM20-REEL7

Analog Devices, Inc.

WIDE BAND MEDIUM POWER AMPLIFIER

11330

HMC516LC5

HMC516LC5

Analog Devices, Inc.

IC RF AMP GP 9GHZ-18GHZ 32SMT

732

HMC564-SX

HMC564-SX

Analog Devices, Inc.

IC RF AMP GP 7GHZ-13.5GHZ DIE

0

HMC462-SX

HMC462-SX

Analog Devices, Inc.

IC RF AMP GP 2GHZ-20GHZ DIE

28

ADPA1105ACGZN-R7

ADPA1105ACGZN-R7

Analog Devices, Inc.

1.2-1.4 GHZ 35W GAN PA

0

MAX2687EWS+T

MAX2687EWS+T

Analog Devices, Inc.

TELECOM CIRCUIT, 1-FUNC, BICMOS,

182348

HMC374SC70E

HMC374SC70E

Analog Devices, Inc.

IC RF AMP GP 300MHZ-3GHZ SC70-6

290

MAX3524EUB

MAX3524EUB

Analog Devices, Inc.

BROADBAND AMPLIFIER

16042

HMC6187LP4ETR

HMC6187LP4ETR

Analog Devices, Inc.

IC AMP VGA 27-31.5GHZ 24QFN

744

HMC505LP4E

HMC505LP4E

Analog Devices, Inc.

IC AMP VSAT 6.8GHZ-7.4GHZ 24QFN

0

HMC-ALH482

HMC-ALH482

Analog Devices, Inc.

IC RF AMP GP 2GHZ-22GHZ DIE

50

AD8351SCPZ-EP-R7

AD8351SCPZ-EP-R7

Analog Devices, Inc.

IC RF AMP 2.2GHZ 16LFCSP

1000

HMC451LP3ETR

HMC451LP3ETR

Analog Devices, Inc.

IC RF AMP GP 5GHZ-18GHZ 16SMT

2552

HMC562

HMC562

Analog Devices, Inc.

IC RF AMP GP 2GHZ-35GHZ DIE

70

HMC386LP4E

HMC386LP4E

Analog Devices, Inc.

IC RF AMP 2.6GHZ-2.8GHZ 24QFN

138

HMC342LC4TR-R5

HMC342LC4TR-R5

Analog Devices, Inc.

IC RF AMP VSAT 13GHZ-25GHZ 24SMT

0

HMC507LP5ETR

HMC507LP5ETR

Analog Devices, Inc.

IC AMP VSAT 6.65-7.65GHZ 32QFN

503

MAX2641EUT+

MAX2641EUT+

Analog Devices, Inc.

MAX2641 1400 MHZ TO 2500 MHZ SIG

42870

HMC392ALC4TR

HMC392ALC4TR

Analog Devices, Inc.

IC AMP VSAT 3.5GHZ-8GHZ 24LCC

391

ADL5202ACPZ-R7

ADL5202ACPZ-R7

Analog Devices, Inc.

WIDE DYNAMIC RANGE, HIGH SPEED,

878

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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