Hp / Agilent 5314A The 5314A Electronic Counter combin

The 5314A Electronic Counter combines excellent performance and traditional HP quality. This counter has Input characteristics range: channel A; 10Hz to 10MHz direct, 1MHz to 100MHz prescaled; channel B; 10Hz to 2.5MHz. Sensitivity: channel A; 25 mV rms to 100MHz, 75 mV p-p at minimum pulse width of 5 ns (100MHz range); channel B; 25 mV rms to 2.5MHz, 75 mV p-p at minimum pulse width of 200 ns, AC coupling. 1 Mohm nominal impedance shunted by less than 30 pF. X1 or X20 nominal attenuation (A channel only). Trigger level is continuously variable ą350 mV times attenuator setting around average value of signal.