ESD & RF Protected Low Noise Amplifier  +20dB Gain

This high-performance Low Noise Amplifier (LNA) is designed specifically for wide band use. It incorporates an ESD & RF protection circuit.

Key Features

• Operating Frequency: 433 MHz (optimized for LoRa APRS)
• Amplifier Module: PGA-103+
• Gain: 25-16 dB
• Low Noise Figure: 0.6 dB, ensuring minimal signal degradation
• High Linearity: IP3 > 41 dBm for improved interference resilience
• Output Power (P1dB): 22.5 dBm, supporting robust signal amplification
• Power Supply: 5V/3V via Bias-T, enabling remote power injection
• ESD * RF Protection: Built-in safeguards (DC Decoupling and RF protecion via high frequency schottky diode) to prevent electrostatic damage

Additional Resources

• Datasheet: PGA-103+

This LNA is ideal for applications requiring low noise, high gain.

This LNA works together with any SDR supporting a 5V or 3V Bias-T like the famous RTL-SDR!

Gain example with additional bandpass on the 433MHz ISM band