RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
HMC517LC4TR-R5

HMC517LC4TR-R5

Analog Devices, Inc.

IC RF AMP VSAT 17GHZ-26GHZ 24SMT

0

HMC487LP5ETR

HMC487LP5ETR

Analog Devices, Inc.

IC RF AMP 9GHZ-12GHZ 32SMT

0

HMC-ALH216-SX

HMC-ALH216-SX

Analog Devices, Inc.

IC RF AMP GP 14GHZ-27GHZ DIE

0

HMC913LC4B

HMC913LC4B

Analog Devices, Inc.

IC RF AMP GP 600MHZ-20GHZ 24SMT

1

MAX2653EUA

MAX2653EUA

Analog Devices, Inc.

GSM900 LOW-NOISE AMPLIFIER

59696

ADPA7006CHIP

ADPA7006CHIP

Analog Devices, Inc.

28 DBM P1DB, 20 DB GAIN

0

HMC8118-SX

HMC8118-SX

Analog Devices, Inc.

IC RF AMP 71GHZ-76GHZ DIE

2

HMC1022ACHIPS

HMC1022ACHIPS

Analog Devices, Inc.

0.01-50GHZ 0.1W DISTRIBUTED AMPL

30

HMC1144

HMC1144

Analog Devices, Inc.

IC RF AMP VSAT 40GHZ-70GHZ DIE

25

ADMV7810CHIPS

ADMV7810CHIPS

Analog Devices, Inc.

HIGH BAND PA DIE

0

HMC906A

HMC906A

Analog Devices, Inc.

IC AMP VSAT 27.3GHZ-33.5GHZ DIE

0

HMC7149-SX

HMC7149-SX

Analog Devices, Inc.

IC RF AMP RADAR 6GHZ-18GHZ DIE

2

HMC1144-SX

HMC1144-SX

Analog Devices, Inc.

IC RF AMP VSAT 40GHZ-70GHZ DIE

2

ADPA7001CHIPS

ADPA7001CHIPS

Analog Devices, Inc.

50 GHZ TO 90 GHZ 75 MW PA

0

ADPA7002C-KIT

ADPA7002C-KIT

Analog Devices, Inc.

ADPA7002 SAMPLE PACK

28

HMC1086

HMC1086

Analog Devices, Inc.

IC RF AMP GP 2GHZ-6GHZ DIE

0

HMC8412CHIPS-SX

HMC8412CHIPS-SX

Analog Devices, Inc.

CHIPS X-GRADE DIE

2

HMC8142

HMC8142

Analog Devices, Inc.

IC RF AMP 81GHZ-86GHZ DIE

0

HMC8402

HMC8402

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-30GHZ DIE

125

HMC1127

HMC1127

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-50GHZ DIE

50

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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