Berkeley Nucleonics Model 6040, Universal Pulse GeneratorCondition:* Used. Powers On, All Buttons Trigger Associated Function On Panel.* Sold As-Is; Unable To Fully Test.* Mainframe Only, No Additional Modules Included.Additional Notes:* Internal Rep Rate Generator: Range: 0.01 Hz to 100 MHz Accuracy: 0.01 % * Pulse Width: 3 ns To 640 Secs, Resolution Of 1 ns or 5 Digits, Accuracy 0.2 % Jitter 25 ps (typ)* Delay: 0 ns To 640 Secs, Resolution of 1 ns or 5 Digits, Accuracy 0.2 % Jitter 25 ps (typ)* Trig Out: 3 ns Wide, 2V High T0 Pulse Into 50 .* Pulse Out: +4V Pulse Into 50 (typ)* Transition Time: 1 ns Rise Time 1.5 ns Fall Time* ECL Out: An ECL Level Output into 50 . 700 ps Rise Time (typ)* External Trigger: 0 to 100 MHz, User-Selectable Slope And Threshold Settings 50 Input Impedance.Berkeley NucleonicsModel 6040