MODEL:QPA13 Nominal Attenuation:0.0625 dB steps to 63.9575 dB Attenuation accuracy:O to 8 GHz 8 to 13 GHz 0-8 dB 1/8 dB 1/4 dB 8-48 dB 1/4 dB 1 dB 48-64 dB 3 dB 8 dB Reference insertion loss: <5.5 dB <7 dB VSWR:1.25:1 max 1.35:1 max to be revised up Phase deviation (in time +/-ps):+/-6 max +/-7 max 0 to 32 dB, 14 ps total Phase deviation consecutive step: _+/-1 ps max. Repeatability error (dB):+/- 0.02 dB max. Temperature coef.:< 0.01 dB/ 0C for 0 to 50 0C Impedance:50 Ohms nominal Insertion delay:0.3 to 0.6 ns Control data latch setup time:3.5 ns Control data latch hold time:1.5 ns Control propagation delay max.:<12 ns (can be pipelined) Attenuation switch time(10/90%):<35 ns Input power: to 20 dBm port B, 18 dBm port A Supply voltage requirement:+5 (<10 mV noise) Supply current:< 0.8 Amps Physical dimensions:3.8 x 2.75 x 0.6 inches (excluding connectors)