RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
MMG3012NT1

MMG3012NT1

Freescale Semiconductor, Inc. (NXP Semiconductors)

WIDE BAND LOW POWER AMPLIFIER, 0

0

MAX2067ETL+T

MAX2067ETL+T

Maxim Integrated

IC AMP CELLULR 50MHZ-1GHZ 40TQFN

0

AD8432ACPZ-R7

AD8432ACPZ-R7

Analog Devices, Inc.

OPERATIONAL AMPLIFIER, 2 FUNC, 6

13335

MAX2181AETE/V+T

MAX2181AETE/V+T

Maxim Integrated

IC RF AMP 76MHZ-162.5MHZ 16TQFN

17500

MMA20312BVT1

MMA20312BVT1

NXP Semiconductors

IC AMP LTE 1.8GHZ-2.2GHZ 12QFN

857

MAAL-007304-TR3000

MAAL-007304-TR3000

Metelics (MACOM Technology Solutions)

IC RF AMP GP 500MHZ-3GHZ SOT26

0

BGA2711,115

BGA2711,115

NXP Semiconductors

MMIC WIDEBAND AMPLIFIER

125000

A39

A39

Metelics (MACOM Technology Solutions)

AMPLIFIER,CASCADABLE,THIN FILM

1016

HMC-ALH140-SX

HMC-ALH140-SX

Analog Devices, Inc.

IC AMP VSAT DBS 24GHZ-40GHZ DIE

2

BGA231N7E6327XTSA2

BGA231N7E6327XTSA2

IR (Infineon Technologies)

NARROW BAND HIGH POWER AMPLIFIER

455976

MAX3523ETP+T

MAX3523ETP+T

Maxim Integrated

PROGRAMMABLE DOCSIS 3.1 UPSTREAM

0

HMC452ST89E

HMC452ST89E

Analog Devices, Inc.

IC RF AMP GP 400MHZ-2.2GHZ

76

MAX2027EUP-D

MAX2027EUP-D

Analog Devices, Inc.

VARIABLE-GAIN AMPLIFIER

2491

LNA-20-18004000-55-15P

LNA-20-18004000-55-15P

MITEQ, Inc.(L3 Narda-MITEQ)

LNA 18-40 GHZ

3

ERA-2+

ERA-2+

SMT GAIN BLOCK, DC - 6000 MHZ, 5

0

MMM5063R2

MMM5063R2

Freescale Semiconductor, Inc. (NXP Semiconductors)

NARROW BAND HIGH POWER AMPLIFIER

802

HMC-APH460

HMC-APH460

Analog Devices, Inc.

IC RF AMP VSAT 27GHZ-31.5GHZ DIE

0

HMC694-SX

HMC694-SX

Analog Devices, Inc.

IC RF AMP RADAR 6GHZ-17GHZ DIE

0

LNA-20-08001800-40-25P

LNA-20-08001800-40-25P

MITEQ, Inc.(L3 Narda-MITEQ)

LNA 8-18 GHZ

3

HMC-ALH369-SX

HMC-ALH369-SX

Analog Devices, Inc.

IC AMP VSAT DBS 24GHZ-40GHZ DIE

4

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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