Keysight 87405B Preamplifier 0.01-4 GHz 22dB Gain

Keysight 87405B Preamplifier: Precision Signal Amplification for RF Measurement

The Keysight 87405B Preamplifier is a high-performance, wideband preamplifier engineered to boost low-level signals across the 0.01 to 4 GHz frequency range. With 22 dB gain, a low noise figure of 2.5 dB, and high linearity (+30 dBm IP3), this preamplifier ensures accurate signal conditioning and enhanced measurement sensitivity. Its rugged, compact design and Type-N (f) input / Type-N (m) output connectors make it a reliable choice for demanding RF test setups.

Key Features & Highlights

• Wideband Frequency Coverage: 0.01 to 4 GHz, suitable for a broad range of RF applications.
• 22 dB Gain: Amplifies weak signals for improved measurement accuracy.
• Low Noise Figure (2.5 dB): Minimizes added noise, preserving signal integrity.
• High Linearity (+30 dBm IP3): Handles strong signals without distortion.
• Type-N (f) Input / Type-N (m) Output: Standard connectors for secure, low-loss connections.
• Rugged, Compact Package: Built for bench and field use, saving valuable setup space.

Applications & Use Cases

The Keysight 87405B is ideal for signal conditioning, gain boosting, and noise reduction in RF measurement systems. It extends the dynamic range of receivers, improves signal-to-noise ratio, and is well-suited for use in test benches, communication systems, and laboratory environments where precise signal amplification is critical.