Hewlett-Packard 5254B 3GHz Frequency Converter

Frequency range 0.2 to 3 GHz . . . THIS UNIT EXTENDS THE RANGE OF THE 5245L & 5246L ELECTRONC COUNTERS TO 300 MHz. INPUT VOLTGAGE OF 50 MV RMS TO 1 V RMS (-13 dBm TO +13 dBm) =================================================== Heterodyne Converter from H/P, Frequency range : 200 MHz to 3GHz; Sensitivity: -13 dBm to +13 dBm; Mixing frequencies: 0.20 to 3GHz in 50 MHz steps; Input coupling: ac; Accuracy: maintains counter accuracy; Input impedance: 50 ohms; Auxilliary outputs: 1 MHz - 50 MHz; Used in the H/P 5245 series Electronic Counter Mainframes.