RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC454ST89E

HMC454ST89E

Analog Devices, Inc.

IC RF AMP GP 400MHZ-2.5GHZ SOT89

16

MAX2652EUB

MAX2652EUB

Analog Devices, Inc.

GSM900 LOW-NOISE AMPLIFIER

1748

MAX2666EYT+

MAX2666EYT+

Analog Devices, Inc.

LOW-NOISE AMPLIFIER

2925

HMC1131LC4

HMC1131LC4

Analog Devices, Inc.

IC RF AMP VSAT 24GHZ-35GHZ 24SMT

0

HMC635-SX

HMC635-SX

Analog Devices, Inc.

IC RF AMP GP 18GHZ-40GHZ DIE

2

HMC311SC70E

HMC311SC70E

Analog Devices, Inc.

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

1408

HMC504LC4BTR-R5

HMC504LC4BTR-R5

Analog Devices, Inc.

IC RF AMP 14GHZ-27GHZ 24SMT

0

AD8351ARMZ

AD8351ARMZ

Analog Devices, Inc.

IC RF AMP GP 0HZ-2.2GHZ 10MSOP

3252

ADL5321ARKZ-R7

ADL5321ARKZ-R7

Analog Devices, Inc.

IC AMP CELL 2.3GHZ-4GHZ SOT89-3

0

AD8350ARM15-REEL7

AD8350ARM15-REEL7

Analog Devices, Inc.

WIDE BAND MEDIUM POWER AMPLIFIER

2000

HMC490LP5E

HMC490LP5E

Analog Devices, Inc.

IC RF AMP VSAT 12GHZ-16GHZ 32QFN

183

HMC-ALH369

HMC-ALH369

Analog Devices, Inc.

IC RF AMP VSAT 24GHZ-40GHZ DIE

0

HMC452QS16GE

HMC452QS16GE

Analog Devices, Inc.

IC AMP GP 400MHZ-2.2GHZ 16QSOP

16

HMC717ALP3ETR

HMC717ALP3ETR

Analog Devices, Inc.

IC RF AMP LTE 4.8GHZ-6GHZ 16QFN

217

HMC996LP4ETR

HMC996LP4ETR

Analog Devices, Inc.

IC RF AMP RADAR 5GHZ-12GHZ 24QFN

0

HMC608LC4

HMC608LC4

Analog Devices, Inc.

IC AMP GP 9.5GHZ-11.5GHZ 24SMT

370

HMC487LP5E

HMC487LP5E

Analog Devices, Inc.

IC RF AMP GP 9GHZ-12GHZ 32SMT

155

HMC-AUH232-SX

HMC-AUH232-SX

Analog Devices, Inc.

IC RF AMP GP 0HZ-43GHZ DIE

0

HMC549MS8GTR

HMC549MS8GTR

Analog Devices, Inc.

DUAL OUTPUT LOW NOISE AMPLIFIER

1000

HMC442-SX

HMC442-SX

Analog Devices, Inc.

IC RF AMP GP 17.5GHZ-24GHZ DIE

18

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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