Pasternack launches input-protected LNAs with noise figure of 0.8dB

Pasternack Inc of Irvine, CA, USA (which makes both passive and active RF, microwave and millimeter-wave products) has released a new line of input-protected low-noise amplifiers (LNAs) with no damage up to +30dBm CW input power that are suitable for radar systems, electronic warfare (EW) applications, military/microwave radios, wireless and satellite communications and test instrumentation.

The new line of input-protected LNAs consists of 12 different models that cover a broad range of frequency bands from 10MHz to 3.5GHz. The designs exhibit typical performance that includes low noise figure levels of 0.8-1.6dB, high small-signal gain of 25-40dB, and low VSWR (voltage standing wave ratio) levels of 1.3:1-1.5:1. This performance is achieved through the use of hybrid microwave integrated circuit (MIC) designs that incorporate PIN diode limiter circuitry and enhancement-mode (E-mode) gallium arsenide (GaAs) pseudomorphic high-electron-mobility transistors (pHEMT) devices. These amplifiers operate with a bias voltage of +12V typical over the temperature range of -40°C to +85°C. The 50Ω, SMA-connectorized modules are unconditionally stable, include built-in voltage regulation and have DC blocking capacitors on the RF ports.

“The robust performance of these LNAs is desirable in maintaining receiver sensitivity over a wide range of RF input signal levels for applications that may involve radar systems, test instrumentation and wireless and satellite communications,” says product manager Tim Galla.

The new input-protected LNAs are in stock and ready for immediate shipment with no minimum order quantity.

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