RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
ADPA7007AEHZ-R7

ADPA7007AEHZ-R7

Analog Devices, Inc.

31 DBM P1DB, 20 DB GAIN

0

HMC385LP4E

HMC385LP4E

Analog Devices, Inc.

IC RF AMP 2.25GHZ-2.5GHZ 24QFN

74

HMC8325

HMC8325

Analog Devices, Inc.

IC RF AMP 71GHZ-86GHZ

50

AD8353ACP-R2

AD8353ACP-R2

Analog Devices, Inc.

WIDE BAND LOW POWER AMPLIFIER

6663

HMC661LC4BTR

HMC661LC4BTR

Analog Devices, Inc.

IC RF AMP 0HZ-18GHZ 24SMT

0

AD6630ARZ

AD6630ARZ

Analog Devices, Inc.

DIFFERENTIAL, LOW NOISE IF GAIN

7966

HMC1121LP6GETR

HMC1121LP6GETR

Analog Devices, Inc.

IC AMP VSAT 5.5-8.5GHZ 40LFCSP

0

HMC-AUH249-SX

HMC-AUH249-SX

Analog Devices, Inc.

IC RF AMP GP 0HZ-35GHZ DIE

0

HMC480ST89E

HMC480ST89E

Analog Devices, Inc.

IC RF AMP GP 0HZ-5GHZ SOT89

177

HMC407MS8GE

HMC407MS8GE

Analog Devices, Inc.

IC RF AMP GP 5GHZ-7GHZ 8SMD

59

HMC1131LC4TR

HMC1131LC4TR

Analog Devices, Inc.

IC RF AMP VSAT 24GHZ-35GHZ 24SMT

0

HMC499

HMC499

Analog Devices, Inc.

IC RF AMP VSAT 21GHZ-32GHZ DIE

75

HMC454ST89

HMC454ST89

Analog Devices, Inc.

IC RF AMP GP 400MHZ-2.5GHZ SOT89

0

MAX2632EUK+T

MAX2632EUK+T

Analog Devices, Inc.

MAX2632 VHF-TO-MICROWAVE, PLUS 3

32460

HMC3653LP3BETR

HMC3653LP3BETR

Analog Devices, Inc.

IC RF AMP VSAT 7GHZ-15GHZ 12SMT

1886

HMC753LP4E

HMC753LP4E

Analog Devices, Inc.

IC RF AMP GP 1GHZ-11GHZ 24SMT

30

HMC441-SX

HMC441-SX

Analog Devices, Inc.

IC RF AMP VSAT 6GHZ-18GHZ DIE

127

HMC263

HMC263

Analog Devices, Inc.

IC RF AMP GP 24GHZ-36GHZ DIE

0

HMC998APM5ETR

HMC998APM5ETR

Analog Devices, Inc.

IC AMP GP 0HZ-22GHZ 32LFCSP-CAV

0

HMC589AST89ETR

HMC589AST89ETR

Analog Devices, Inc.

IC RF AMP WLAN 0HZ-4GHZ SOT89-3

339

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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