RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC7885FH18

HMC7885FH18

Analog Devices, Inc.

IC RF AMP 2GHZ-6GHZ MODULE

0

HMC311ST89E

HMC311ST89E

Analog Devices, Inc.

IC RF AMP GP 0HZ-6GHZ SOT89

155

HMC341-SX

HMC341-SX

Analog Devices, Inc.

IC RF AMP GP 21GHZ-29GHZ DIE

0

HMC997LC4TR

HMC997LC4TR

Analog Devices, Inc.

IC AMP RADAR 17GHZ-27GHZ 24CQFN

0

HMC962LC4

HMC962LC4

Analog Devices, Inc.

IC AMP GP 7.5GHZ-26.5GHZ 24CSMT

103

HMC374ETR

HMC374ETR

Analog Devices, Inc.

IC RF AMP GP 300MHZ-3GHZ SOT26

947

HMC465LP5TR

HMC465LP5TR

Analog Devices, Inc.

IC RF AMP VSAT 0HZ-20GHZ 32QFN

0

AD8350ARMZ15-REEL7

AD8350ARMZ15-REEL7

Analog Devices, Inc.

IC RF AMP CATV 0HZ-1GHZ 8MSOP

3690

ADL5323ACPZ-WP

ADL5323ACPZ-WP

Analog Devices, Inc.

GAAS MATCHED RF PA PRE-DRIVER

16950

ADRF6520ACPZ

ADRF6520ACPZ

Analog Devices, Inc.

IC RF AMP 1.25GHZ 32LFCSP

15

AD8354ACP-R2

AD8354ACP-R2

Analog Devices, Inc.

WIDE BAND LOW POWER AMPLIFIER

7542

HMC405

HMC405

Analog Devices, Inc.

IC RF AMP VSAT 0HZ-10GHZ DIE

200

ADMV7710CHIPS

ADMV7710CHIPS

Analog Devices, Inc.

LOW BAND PA DIE

15

HMC-AUH232

HMC-AUH232

Analog Devices, Inc.

IC RF AMP GP 0HZ-43GHZ DIE

0

HMC409LP4E

HMC409LP4E

Analog Devices, Inc.

IC AMP WIMAX 3.3GHZ-3.8GHZ 24SMT

71

HMC383LC4TR

HMC383LC4TR

Analog Devices, Inc.

IC RF AMP GP 12GHZ-30GHZ 24SMT

0

ADL8150ACPZN

ADL8150ACPZN

Analog Devices, Inc.

LOW PHASE NOISE AMPLIFIER

794

AD8350AR20-REEL7

AD8350AR20-REEL7

Analog Devices, Inc.

WIDE BAND MEDIUM POWER AMPLIFIER

11924

HMC661LC4BTR-R5

HMC661LC4BTR-R5

Analog Devices, Inc.

IC RF AMP 0HZ-18GHZ 24SMT

0

HMC565LC5TR

HMC565LC5TR

Analog Devices, Inc.

IC AMP VSAT DBS 6GHZ-20GHZ 32QFN

45

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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