RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
PMA-5456+

PMA-5456+

SMT LOW NOISE AMPLIFIER, 50 - 60

0

MAX2240EBL-T

MAX2240EBL-T

Analog Devices, Inc.

POWER AMPLIFIER IC

5000

BGM1013,115

BGM1013,115

NXP Semiconductors

MMIC AMPLIFIER 6TSSOP

13769

RMPA2550

RMPA2550

NARROW BAND MED POWER AMPLIFIER

27000

HMC751LC4

HMC751LC4

Analog Devices, Inc.

IC RF AMP GP 17GHZ-27GHZ 24SMT

89

SKY66293-21

SKY66293-21

Skyworks Solutions, Inc.

IC AMP LTE 3.4GHZ-3.8GHZ 16LGA

244915000

LNA-30-04001200-40-25P

LNA-30-04001200-40-25P

MITEQ, Inc.(L3 Narda-MITEQ)

LNA 4-12 GHZ

2

HMC505LP4ETR

HMC505LP4ETR

Analog Devices, Inc.

IC AMP VSAT 6.8GHZ-7.4GHZ 24QFN

0

SMA28

SMA28

Metelics (MACOM Technology Solutions)

AMPLIFIER,SURFACE MOUNT

14

A76-1

A76-1

Metelics (MACOM Technology Solutions)

AMPLIFIER,CASCADABLE

1011

HMC397-SX

HMC397-SX

Analog Devices, Inc.

IC RF AMP GP 0HZ-10GHZ DIE

0

HMC-AUH317-SX

HMC-AUH317-SX

Analog Devices, Inc.

IC AMP 802.11/WIFI 81-86GHZ DIE

0

BGA612H6327

BGA612H6327

IR (Infineon Technologies)

WIDE BAND LOW POWER AMPLIFIER

326

BGU7044,115

BGU7044,115

NXP Semiconductors

1 GHZ WIDEBAND LOW-NOISE AMPLIFI

6000

SKY66013-11

SKY66013-11

Skyworks Solutions, Inc.

IC RF AMP GP 729MHZ-768MHZ 10MCM

4500

RMPA5251

RMPA5251

NARROW BAND MED POWER AMPLIFIER

350

MAAP-010168-000000

MAAP-010168-000000

Metelics (MACOM Technology Solutions)

IC AMP GP 500MHZ-3GHZ 10CFLATPCK

3610

AN26031A-PR

AN26031A-PR

Panasonic

IC AMP WIMAX 2.3-2.7GHZ 5WLCSP

328

HMC-ALH435

HMC-ALH435

Analog Devices, Inc.

IC RF AMP VSAT 5GHZ-20GHZ DIE

0

HFA3926IA

HFA3926IA

2GHZ-2.7GHZ 250 MW POWER AMP

2557

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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