RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
SMRA46

SMRA46

Metelics (MACOM Technology Solutions)

AMPLIFIER,SURFACE MOUNT,FET

10

MAX2232EEE+T

MAX2232EEE+T

Maxim Integrated

IC RF AMP ISM 800MHZ-1GHZ 16QSOP

0

HMC341LC3BTR-R5

HMC341LC3BTR-R5

Analog Devices, Inc.

IC RF AMP VSAT 21GHZ-29GHZ 12SMT

0

MAX2653EUA+

MAX2653EUA+

Analog Devices, Inc.

GSM900 LOW-NOISE AMPLIFIER

7688

HMC461LP3ETR

HMC461LP3ETR

Analog Devices, Inc.

NARROW BAND MED POWER AMPLIFIER

2000

ADCA3950AMLZ

ADCA3950AMLZ

Analog Devices, Inc.

25DB 24V 480MA DOCSIS 3.1 GAN

0

HMC865LC3

HMC865LC3

Analog Devices, Inc.

IC RF AMP GP 16CSMT

108

HMC499LC4

HMC499LC4

Analog Devices, Inc.

IC RF AMP GP 21GHZ-32GHZ 24SMT

22

HMC390LP4ETR

HMC390LP4ETR

Analog Devices, Inc.

IC AMP VSAT 3.55GHZ-3.9GHZ 24QFN

608

MAAM-007501-SA2002

MAAM-007501-SA2002

Metelics (MACOM Technology Solutions)

AMPLIFIER SURFACE MOUNT SMA2002

8

HMC637BPM5E

HMC637BPM5E

Analog Devices, Inc.

IC AMP GP 0HZ-7.5GHZ 32LFCSP-CAV

165

MW7IC008NT1

MW7IC008NT1

NXP Semiconductors

IC RF AMP GP 100MHZ-1GHZ 24QFN

4281

BGU7033,115

BGU7033,115

NXP Semiconductors

IC RF AMP GP 40MHZ-1GHZ 6TSSOP

1228

PMA-545G1+

PMA-545G1+

SMT LOW NOISE AMPLIFIER, 400 - 2

0

HMC506LP4ETR

HMC506LP4ETR

Analog Devices, Inc.

IC AMP VSAT 7.8GHZ-8.7GHZ 24QFN

342

BGA428H6327XTSA1

BGA428H6327XTSA1

IR (Infineon Technologies)

NARROW BAND LOW POWER AMPLIFIER

217209

HMC1087-SX

HMC1087-SX

Analog Devices, Inc.

IC RF AMP RADAR 2GHZ-20GHZ DIE

0

MAX2062ETM+

MAX2062ETM+

Analog Devices, Inc.

DUAL 50MHZ TO 1000MHZ HIGH-LINEA

2363

T0905-TSPH

T0905-TSPH

Roving Networks / Microchip Technology

IC AMP ISM 135-600MHZ 28-PSSOP

11863

MAX2658EWT+T

MAX2658EWT+T

Analog Devices, Inc.

MAX2658 GPS/GNSS LOW-NOISE AMPLI

454300

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

RFQ BOM Call Skype Email
Top