The 2SC4227 is an NPN silicon transistor manufactured by NEC, designed for low-noise amplifier applications, especially in VHF and UHF bands.

Applications

• Low-Noise Amplifiers (LNA)
• VHF/UHF Receivers
• TV Tuners
• Satellite Receivers
• Communication Equipment

Features

• Low Noise Figure
• High Gain
• High Transition Frequency (fT)
• NPN Silicon Transistor
• Small Signal Amplifier

Benefits

• Enhances receiver sensitivity
• Improves signal-to-noise ratio
• Provides efficient amplification in VHF/UHF bands
• Suitable for high-performance communication systems

Additional Details

The 2SC4227's key characteristic is its low noise figure, which is critical for sensitive receiver designs. It is commonly used in the front-end stages of receivers to amplify weak signals without introducing significant noise. Refer to the manufacturer's datasheet for detailed specifications, bias conditions, and S-parameters to ensure optimal performance in the intended application.