RF Amplifiers

Image Part Number Description / PDF Quantity Rfq
CMPA0060025F1

CMPA0060025F1

Wolfspeed - a Cree company

25W GAN MMIC PA 50V 0.02-6.0GHZ

0

CMPA5259050F

CMPA5259050F

Wolfspeed - a Cree company

50W GAN MMIC PA 28V 5.2-5.9GHZ

97

CMPA2735075F1

CMPA2735075F1

Wolfspeed - a Cree company

75W GAN MMIC 50V 2.7-3.5GHZ

67

CMPA901A020S

CMPA901A020S

Wolfspeed - a Cree company

20W GAN MMIC PA 28V 9.0-10.0GHZ

0

PTMA210152M-V1-R500

PTMA210152M-V1-R500

Wolfspeed - a Cree company

IC AMP WCDMA 1.8GHZ-2.2GHZ DSO20

0

CMPA2738060F

CMPA2738060F

Wolfspeed - a Cree company

60W GAN MMIC PA, 50V, 2.7-3.8GHZ

0

PTMC210204MD-V1-R5

PTMC210204MD-V1-R5

Wolfspeed - a Cree company

IC RF AMP 1.805GHZ-2.2GHZ

0

CMPA2735030S

CMPA2735030S

Wolfspeed - a Cree company

30W GAN MMIC PA, 50V, 2.7-3.5GHZ

0

PTMC210404MD-V1-R5

PTMC210404MD-V1-R5

Wolfspeed - a Cree company

IC AMP LDMOS 18.05-2200MHZ 2X20W

0

CMPA801B030F1

CMPA801B030F1

Wolfspeed - a Cree company

GAN MMIC 30W 28V 8.0-11.0GHZ

0

CMPA801B030S

CMPA801B030S

Wolfspeed - a Cree company

GAN MMIC 40W 28V 7.9-11.0GHZ QFN

0

PTMC210124MD-V1-R5

PTMC210124MD-V1-R5

Wolfspeed - a Cree company

IC AMP LDMOS 18.05-2200MHZ 2X6W

0

PTMA080302M-V1-R500

PTMA080302M-V1-R500

Wolfspeed - a Cree company

IC RF AMP

0

CMPA5585025F

CMPA5585025F

Wolfspeed - a Cree company

IC AMP GP 5.5GHZ-8.5GHZ 440208

0

CMPA801B025F

CMPA801B025F

Wolfspeed - a Cree company

IC RF AMP 8.5GHZ-11GHZ 440208

0

CMPA801B030D1

CMPA801B030D1

Wolfspeed - a Cree company

GAN MMIC 30W 28V 8.0-11.0GHZ

0

CMPA801B030P

CMPA801B030P

Wolfspeed - a Cree company

GAN MMIC 30W 28V 8.0-11.0GHZ

0

CMPA5585030D

CMPA5585030D

Wolfspeed - a Cree company

IC AMP 5.5GHZ-8.5GHZ 30W

0

CMPA5585025D

CMPA5585025D

Wolfspeed - a Cree company

IC AMP 5.5GHZ-8.5GHZ 25W

0

CMPA801B030D

CMPA801B030D

Wolfspeed - a Cree company

GAN MMIC 30W 28V 8.0-11.0GHZ

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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