RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
SKY77661-11

SKY77661-11

Skyworks Solutions, Inc.

IC MOD POWER AMP MMMB 44MCM

0

SKY85207-11

SKY85207-11

Skyworks Solutions, Inc.

IC AMP LNA FRONT END 8DFN

0

SKY65174-21

SKY65174-21

Skyworks Solutions, Inc.

IC AMP 802.11B/G/N 2.4GHZ 10MCM

6683

SKYA21050

SKYA21050

Skyworks Solutions, Inc.

AUTOMOTIVE LINEAR PA 750-770MHZ

50049500

SKY65096-360LF

SKY65096-360LF

Skyworks Solutions, Inc.

IC RF AMP DRIVER 2300-2700MHZ

30009000

SKY65805-696LF

SKY65805-696LF

Skyworks Solutions, Inc.

IC RF AMP 2.3GHZ-2.69GHZ

0

SKY65900-11

SKY65900-11

Skyworks Solutions, Inc.

28DBM 2GHZ PA IN 4X4 QFN

0

AWB7124P8

AWB7124P8

Skyworks Solutions, Inc.

IC AMP HSDPA 728MHZ-768MHZ 14SMD

2500

SKY65804-696LF

SKY65804-696LF

Skyworks Solutions, Inc.

IC RF AMP 1.805GHZ-2.17GHZ

20012000

SE5003L1-R1

SE5003L1-R1

Skyworks Solutions, Inc.

IC WLAN POWER AMP 16QFN

46000

AWB7122P8

AWB7122P8

Skyworks Solutions, Inc.

IC AMP HSDPA 1.805-1.88GHZ MOD

5000

SKY67015-396LF

SKY67015-396LF

Skyworks Solutions, Inc.

IC RF AMP 30MHZ-300MHZ 8DFN

0

SKY65009-70LF

SKY65009-70LF

Skyworks Solutions, Inc.

IC AMP GSM 250MHZ-2.5GHZ SOT89-3

0

ACA2407ERS7P2

ACA2407ERS7P2

Skyworks Solutions, Inc.

IC AMP CATV 750MHZ 870MHZ 16SOIC

0

SKY65116-21

SKY65116-21

Skyworks Solutions, Inc.

IC AMP GSM 390MHZ-500MHZ 12MCM

0

SKY65053-377LF

SKY65053-377LF

Skyworks Solutions, Inc.

IC AMP CELLULAR 400MHZ-6GHZ 4QFN

0

SE2567L-R

SE2567L-R

Skyworks Solutions, Inc.

IC AMP 802.11A 4.9-5.9GHZ 16QFN

9000

SKY65013-92LF

SKY65013-92LF

Skyworks Solutions, Inc.

IC RF AMP DBS 0HZ-12GHZ SC88

0

SE2609L-R

SE2609L-R

Skyworks Solutions, Inc.

IC AMP 802.11B/G/N 2.4GHZ 8QFN

0

AWL6153M7UP8

AWL6153M7UP8

Skyworks Solutions, Inc.

IC RF AMP

2290

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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