RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC499LC4TR

HMC499LC4TR

Analog Devices, Inc.

WIDE BAND MEDIUM POWER AMPLIFIER

195

HMC742ALP5ETR

HMC742ALP5ETR

Analog Devices, Inc.

IC RF AMP LTE 70MHZ-4GHZ 32QFN

0

HMC8400-SX

HMC8400-SX

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-30GHZ DIE

6

HMC455LP3TR

HMC455LP3TR

Analog Devices, Inc.

NARROW BAND MEDIUM POWER AMPLIFI

4000

HMC-C026

HMC-C026

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-20GHZ MODULE

1

HMC930A

HMC930A

Analog Devices, Inc.

IC RF AMP 0HZ-40GHZ DIE

50

HMC-ALH244

HMC-ALH244

Analog Devices, Inc.

IC RF AMP VSAT 24GHZ-40GHZ DIE

50

MAX3538UTC+

MAX3538UTC+

Analog Devices, Inc.

BROADBAND VGA

5765

HMC383

HMC383

Analog Devices, Inc.

IC RF AMP VSAT 12GHZ-30GHZ DIE

150

ADL5571ACPZ-R7

ADL5571ACPZ-R7

Analog Devices, Inc.

WIMAX POWER AMPLIFIER

6616

ADL5611ARKZ-R7

ADL5611ARKZ-R7

Analog Devices, Inc.

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

432

AD605AR-REEL

AD605AR-REEL

Analog Devices, Inc.

IC VARIABLE GAIN 2 CIRC 16SOIC

19825

HMC594LC3B

HMC594LC3B

Analog Devices, Inc.

IC RF AMP GP 2GHZ-4GHZ 12SMT

41

HMC1049-SX

HMC1049-SX

Analog Devices, Inc.

IC RF AMP GP 300MHZ-20GHZ DIE

2

HMC504LC4BTR

HMC504LC4BTR

Analog Devices, Inc.

IC RF AMP GP 14GHZ-27GHZ 24SMT

95

MAX2666EYT+T

MAX2666EYT+T

Analog Devices, Inc.

LOW-NOISE AMPLIFIER

50000

HMC516

HMC516

Analog Devices, Inc.

IC RF AMP VSAT 7GHZ-17GHZ DIE

150

HMC463LH250

HMC463LH250

Analog Devices, Inc.

IC RF AMP GP 2GHZ-20GHZ 12SMT

8

AD605AR-REEL7

AD605AR-REEL7

Analog Devices, Inc.

IC VARIABLE GAIN 2 CIRC 16SOIC

750

HMC659LC5TR

HMC659LC5TR

Analog Devices, Inc.

IC RF AMP GP 0HZ-15GHZ 32CSMT

46

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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