The Agilent 87405A preamplifier brings reliable gain and low noise figure to measurement systems to improve overall system performance and reduce systematic errors. With its compact size and convenient probe-power bias connection, the 87405A is ideal for use as the front end preamplifier for a variety of Agilent instruments such as the 8590E series of portable spectrum analyzers. The 87405A is the recommended preamplifier for use with the 8594E Noise Figure Measurement Solution. The rugged design along with its insertable configuration of connectors makes the 87405A ideal for test port applications. Features Frequency: 0.01 to 3 GHz 7 dBm output power Gain dB: 22 to 27 minimum/maximum Noise figure dB: 6.5, 0.01 to 2 GHz, typical; 7.5, 2 to 3 GHz, typical Detected output: No DC bias volt/amp: + 15 V at 80 mA Compact size, intergral bias regulation