RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
AWB7223SP8

AWB7223SP8

Skyworks Solutions, Inc.

IC RF AMP 1.93-1.995 GHZ MODULE

5000

SE2537L-R

SE2537L-R

Skyworks Solutions, Inc.

IC POWER AMP 802.11A QFN

33000

SKY65450-92LF

SKY65450-92LF

Skyworks Solutions, Inc.

IC RF AMP CATV 40MHZ-1GHZ SC70-6

111000

SKY65014-92LF

SKY65014-92LF

Skyworks Solutions, Inc.

IC RF AMP CELLULAR 0HZ-9GHZ SC88

0

ABA3100RS3P1

ABA3100RS3P1

Skyworks Solutions, Inc.

IC AMP LOW NOISE 1GHZ QFN

0

SKY65388-11

SKY65388-11

Skyworks Solutions, Inc.

IC AMP W-CDMA 695-866MHZ 12MCM

2000

AWB7231P8

AWB7231P8

Skyworks Solutions, Inc.

IC AMP HSDPA 2.01-2.025GHZ MOD

50000

SKY65049-360LF

SKY65049-360LF

Skyworks Solutions, Inc.

IC RF AMP CDMA 2.4GHZ 8QFN

0

SKY65051-377LF

SKY65051-377LF

Skyworks Solutions, Inc.

IC RF AMP 400MHZ-6GHZ 4QFN

0

SKY66297-11

SKY66297-11

Skyworks Solutions, Inc.

IC RF AMP 2496-2690MHZ LTE 16LGA

205000

SKY67003-396LF

SKY67003-396LF

Skyworks Solutions, Inc.

IC RF AMP GP 2GHZ-3.0GHZ 8DFN

0

SKY65132-21

SKY65132-21

Skyworks Solutions, Inc.

IC RF AMP

0

AWB7125P8

AWB7125P8

Skyworks Solutions, Inc.

IC AMP HSDPA 860MHZ-894MHZ MODUL

17500

SKY65135-21

SKY65135-21

Skyworks Solutions, Inc.

IC RF AMP WLAN 2.4GHZ 20MCM

0

SKY65045-70LF

SKY65045-70LF

Skyworks Solutions, Inc.

IC AMP GSM 390MHZ-1.5GHZ SOT89

18000

SKY67130-396LF

SKY67130-396LF

Skyworks Solutions, Inc.

IC RF AMP GP 700MHZ-2.7GHZ 8DFN

93000

AWB7128P8

AWB7128P8

Skyworks Solutions, Inc.

IC AMP HSDPA 2.545-2.69GHZ MOD

12500

AWB7227SP8

AWB7227SP8

Skyworks Solutions, Inc.

IC RF AMP 2.11-2.17 GHZ MODULE

2500

SKY65385-11

SKY65385-11

Skyworks Solutions, Inc.

IC AMP W-CDMA 791MHZ-821MHZ 8DFN

8000

SKY65137-11

SKY65137-11

Skyworks Solutions, Inc.

IC AMP 802.11A 4.9-5.9GHZ 20MCM

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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