RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
SE2425U-R

SE2425U-R

Skyworks Solutions, Inc.

IC RF AMP BLUETOOTH 2.4GHZ 16QFN

0

RFX240

RFX240

Skyworks Solutions, Inc.

IC AMP 802.11B/G/N 2.4GHZ 16QFN

0

SE2597L-R

SE2597L-R

Skyworks Solutions, Inc.

IC AMP 802.11B/G/N 2.4GHZ 16QFN

126000

ACA0862DRS7P2

ACA0862DRS7P2

Skyworks Solutions, Inc.

IC RF AMP CATV 1GHZ 16SOIC

4500

SE2574L-R

SE2574L-R

Skyworks Solutions, Inc.

IC RF AMP 802.11B/G 2.4GHZ 8QFN

0

SKY67175-306LF

SKY67175-306LF

Skyworks Solutions, Inc.

IC AMP GSM 1.5GHZ-3.8GHZ 16QFN

18000

SKY65066-360LF

SKY65066-360LF

Skyworks Solutions, Inc.

IC AMP WLAN 2.3GHZ-2.7GHZ 8QFN

0

SKY67012-396LF

SKY67012-396LF

Skyworks Solutions, Inc.

IC RF AMP GP 300MHZ-600MHZ 8DFN

0

SKY65404-21

SKY65404-21

Skyworks Solutions, Inc.

IC AMP 802.11 4.9GHZ-5.9GHZ 6QFN

0

ACA2461P2

ACA2461P2

Skyworks Solutions, Inc.

IC RF AMP CATV 1.218GHZ 16SOIC

0

SKY65015-92LF

SKY65015-92LF

Skyworks Solutions, Inc.

IC RF AMP CELLULAR 0HZ-6GHZ SC88

0

SKY65040-360LF

SKY65040-360LF

Skyworks Solutions, Inc.

IC RF AMP CDMA 2.4GHZ 8QFN

0

SKY65016-92LF

SKY65016-92LF

Skyworks Solutions, Inc.

IC RF AMP CELLULAR 0HZ-3GHZ SC88

0

AWB7225P8

AWB7225P8

Skyworks Solutions, Inc.

IC AMP HSDPA 860MHZ-894MHZ MODUL

5000

AWB7223RM52P8

AWB7223RM52P8

Skyworks Solutions, Inc.

IC AMP HSDPA 1.93-1.995GHZ MOD

0

ACA1240

ACA1240

Skyworks Solutions, Inc.

12V LINE EXTENDER VARIABLE GAIN

0

SKY65038-70LF

SKY65038-70LF

Skyworks Solutions, Inc.

IC AMP WIMAX 250MHZ-6GHZ SOT89-3

0

AWB7032P8

AWB7032P8

Skyworks Solutions, Inc.

IC RF AMP HSDPA 2.4GHZ MODULE

77500

SKY67103-396LF

SKY67103-396LF

Skyworks Solutions, Inc.

IC RF AMP GSM 500MHZ-4GHZ 8DFN

9000

AWB7224P8

AWB7224P8

Skyworks Solutions, Inc.

IC AMP HSDPA 728MHZ-769MHZ MODUL

12500

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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