Stanford DG645 디지털 지연 발생기 (8 delay outputs (opt.))

Delays:

Channels: 4 independent pulses controlled in position and width. 8 delay channels available as an option.

Range: 0 to 2000 seconds

Resolution: 5 ps

Accuracy: 1 ns + (timebase error × delay)

Jitter (rms):

   Ext. trig. to any output: 25 ps + (timebase jitter × delay)

   T0 to any output: 15 ps + (timebase jitter × delay)

Trigger delay: 85 ns (ext. trigger to T0 output)

Timebases:

Standard crystal:

   Jitter: 10-8 s/s

   Stability: 2 x 10-6 (20 °C to 30 °C)

   Aging: 5 ppm/yr

Opt. 4 OCXO:

   Jitter: 10-11 s/s

   Stability: 2 x 10-9 (20 °C to 30 °C)

   Aging: 0.2 ppm/yr

Opt. 5 Rubidium:

   Jitter: 10-11 s/s

   Stability: 2 x 10-10 (20 °C to 30 °C)

   Aging: 0.0005 ppm/yr

External input:

10 MHz ± 10 ppm, sine >0.5 Vpp,

1 kΩ impedance

Output: 10 MHz, 2 Vpp ine into 50 Ω

External Trigger:

Rate: DC to 1/(100 ns + longest delay). Maximum of 10 MHz

Threshold: ±3.50 VDC

Slope: Trigger on rising or falling edge

Impedance: 1 MΩ + 15 pF

Internal Rate Generator:

Trigger modes: Continuous, line or single shot

Rate: 100 µHz to 10 MHz

Resolution: 1 µHz

Accuracy: Same as timebase

Jitter (rms):

<25 ps (10 MHz/N trigger rate)

<100 ps (other trigger rates)

Burst Generator:

Trigger to first T0:

   Range: 0 to 2000 s

   Resolution: 5 ps

Period between pulses:

   Range: 100 ns to 42.9 s

   Resolution: 10 ns

Outputs (T0, AB, CD, EF and GH):

Source impedance: 50 Ω

Transition time: <2 ns

Overshoot: <100 mV + 10 % of pulse amplitude

Offset: ±2 V

Amplitude: 0.5 to 5.0 V (level + offset <6.0 V)

Accuracy: 100 mV + 5 % of pulse amplitude

General:

Computer interfaces: GPIB (IEEE-488.2), RS-232 and Ethernet. All instrument functions can be controlled through the interfaces.

Non-volatile memory: Nine sets of instrument configurations can be stored and recalled.

Power: <100 W, 90 to 264 VAC, 47 Hz to 63 Hz

Dimensions: 8.5" × 3.5" × 13" (WHL)

Weight: 9 lbs.