RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
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

HMC405-SX

HMC405-SX

Analog Devices, Inc.

IC RF AMP VSAT 0HZ-10GHZ DIE

0

MAR-6SM+

MAR-6SM+

SMT LOW NOISE AMPLIFIER, DC - 20

0

CMPA1D1E025F

CMPA1D1E025F

Wolfspeed - a Cree company

IC AMP 13.75GHZ-14.5GHZ 440208

30

SKY65386-11

SKY65386-11

Skyworks Solutions, Inc.

IC AMP 2.575GHZ-2.735GHZ 12MCM

8172000

MHL19338N

MHL19338N

Freescale Semiconductor, Inc. (NXP Semiconductors)

NARROW BAND HIGH POWER AMPLIFIER

48

MAAM-009116-TR3000

MAAM-009116-TR3000

Metelics (MACOM Technology Solutions)

IC RF AMP GP 50MHZ-1GHZ SOT89-3

3000

MMA25312BT1-NXP

MMA25312BT1-NXP

NXP Semiconductors

NARROW BAND MEDIUM POWER AMPLIFI

667

ADL5320ARKZ-R7

ADL5320ARKZ-R7

Analog Devices, Inc.

IC RF AMP 400MHZ-2.7GHZ SOT89-3

671

HMC634LC4

HMC634LC4

Analog Devices, Inc.

IC RF AMP GP 5GHZ-20GHZ 24SMT

115

LMH2832IRHAR

LMH2832IRHAR

Texas Instruments

IC RF AMP 1.1GHZ 40VQFN

0

HMC8411LP2FE

HMC8411LP2FE

Analog Devices, Inc.

DC - 8 GHZ 15 DB GAIN

897

AD8351ARMZ-REEL7

AD8351ARMZ-REEL7

Analog Devices, Inc.

IC RF AMP GP 0HZ-2.2GHZ 10MSOP

514

MAAM-011238-TR0100

MAAM-011238-TR0100

Metelics (MACOM Technology Solutions)

AMPLIFIER,5X5MM,DC-50GHZ,

48

HMC498LC4

HMC498LC4

Analog Devices, Inc.

RF AMPLIFIER 17GHZ-24GHZ 24TFQFN

6

HMC-C002

HMC-C002

Analog Devices, Inc.

IC RF AMP VSAT 2GHZ-20GHZ MODULE

0

HMC742ALP5E

HMC742ALP5E

Analog Devices, Inc.

IC RF AMP LTE 70MHZ-4GHZ 32QFN

18

SKY67101-396LF

SKY67101-396LF

Skyworks Solutions, Inc.

IC RF AMP CDMA 700MHZ-1GHZ 8DFN

348333000

HMC565

HMC565

Analog Devices, Inc.

IC RF AMP VSAT 6GHZ-20GHZ DIE

200

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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