RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
SMA57

SMA57

Metelics (MACOM Technology Solutions)

AMPLIFIER,SURFACE MOUNT

25

BGA8V1BN6E6327XTSA1

BGA8V1BN6E6327XTSA1

IR (Infineon Technologies)

BGA8V1 - LTE / 3G LNAS

1275000

MAX2181AETE+T

MAX2181AETE+T

Maxim Integrated

IC RF AMP 76MHZ-162.5MHZ 16TQFN

7500

UPC3224TB-E3-A

UPC3224TB-E3-A

Renesas Electronics America

RF/MICROWAVE AMPLIFIER, BIPOLAR

55423

SKY66002-11

SKY66002-11

Skyworks Solutions, Inc.

IC RF AMP WCDMA 1.9GHZ 10MCM

0

32-0125B-00

32-0125B-00

Tallysman Wireless

IC RF AMP 1GHZ-2GHZ SMA

14

NJG1159PHH-TE1

NJG1159PHH-TE1

New Japan Radio (NJR)

IC AMP GALIL 1.575/1.602GHZ MOD

13901

PHA-13HLN+

PHA-13HLN+

SMT LOW NOISE AMPLIFIER, 1 - 100

0

HMC564LC4TR-R5

HMC564LC4TR-R5

Analog Devices, Inc.

IC RF AMP VSAT 7GHZ-14GHZ 24QFN

0

AD8353ACPZ-REEL7

AD8353ACPZ-REEL7

Analog Devices, Inc.

IC AMP CEL 1MHZ-2.7GHZ 8LFCSP-VD

4327

MAR-7SM+

MAR-7SM+

SMT GAIN BLOCK, DC - 2000 MHZ, 5

0

HMC326MS8G

HMC326MS8G

Analog Devices, Inc.

IC RF AMP GP 3GHZ-4.5GHZ 8MSOP

81

HMC754S8GETR

HMC754S8GETR

Analog Devices, Inc.

GAAS HBT HIGH LINEARITY PUSH-PUL

5900

AD8350AR15-REEL7

AD8350AR15-REEL7

Analog Devices, Inc.

WIDE BAND MEDIUM POWER AMPLIFIER

9000

MAR-4+

MAR-4+

SMT GAIN BLOCK, DC - 1000 MHZ, 5

0

SMA3102-TL-H

SMA3102-TL-H

Sanyo Semiconductor/ON Semiconductor

IC RF AMP GPS 1575MHZ 6MCPH

0

MD7IC1812GNR1

MD7IC1812GNR1

NXP Semiconductors

IC AMP W-CDMA 1.8-2.17GHZ TO270

0

HMC667LP2ETR

HMC667LP2ETR

Analog Devices, Inc.

IC RF AMP GP 2.3GHZ-2.7GHZ 6DFN

197

MAX2265EUE+

MAX2265EUE+

Analog Devices, Inc.

MAX2265 2.7V, SINGLE-SUPPLY, CEL

6677

SKY67023-396LF

SKY67023-396LF

Skyworks Solutions, Inc.

IC RF AMP LTE 2GHZ-3.0GHZ 8DFN

0

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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