Functions

Time Delay between the leading edges of two pulses appearing at the A and Boutputs or between the leading edges of two pulses appearing consecutively at the CW output in Common mode Pulse Width at the CW output in Width mode Frequency of rectangular waveform generated at the F output

Time Delay & Width

Range

10 ns – 1 second (Delay A -› B or CW -› CW, or Pulse Width (CW))

Incremental Resolution

5 ps

Jitter

< 20 ps rms at time delay from 10 ns to 10 ms (TCXO timebase, Model T5200)

< 20 ps rms at time delay from 10 ns to 50 ms (OCXO timebase, Model T5200S)

< 20 ps rms at time delay from 10 ns to 10 s (external atomic timebase)

Trigger generator

internal, with digitally variable frequency from 10 mHz to 1 MHz

Frequency

Output F

Range

0.1 Hz to 1 MHz with a 1 mHz step; 1 – 75 MHz with a 1 Hz step

Period jitter

< 20 ps rms from 10 kHz to 75 MHz

Outputs A, B, CW, F

Load

50 Ω, DC coupled; SMA sockets

Amplitude

2 V referred to ground

Rise & Fall time (20 – 80 %)

< 600 ps

Polarity

selectable, positive or negative leading edge (except output F)

Pulse width

10, 20, 50 or 100 ns ± 0.5 ns at 1 V threshold (except outputs F and CW/Width)

Internal Clock Generator

T5200: 10 MHz TCXO, stability 5×107 (- 40 to +85 °C), ageing 1×106/year

T5200S: 10 MHz OCXO, stability 1×107 (-20 to +70 °C), ageing 1×108/day*

External Clock Generator

Input CK - 50 Ω, DC coupled; SMA socket

10 MHz, sine or pulse, min. 100 mV on 50 Ω input impedance