ZX60 Low Noise Amplifiers Mini-Circuits ZX60 Low Noise Amplifiers feature high gain, low noise, and excellent directivity. The ZX60 Amps provide a rugged, unibody construction that integrates the RF connector into the case body, providing high reliability and excellent survivability in critical applications. The devices are ideal for microwave point-to-point radios, military EW, and radar satellite systems.