DS1010

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TEST SETUP DESCRIPTION

Figure 3 illustrates the hardware configuration used for measuring the timing parameters on the DS1010.

The input waveform is produced by a precision pulse generator under software control. Time delays are

measured by a time interval counter (20 ps resolution) connected between the input and each tap. Each

tap is selected and connected to the counter by a VHF switch control unit. All measurements are fully

automated, with each instrument controlled by a central computer over an IEEE 488 bus.

TEST CONDITIONS

INPUT:

Ambient Temperature:

25°C ± 3°C

5.0V ± 0.1V

Input Pulse:

High = 3.0V ± 0.1V

Low = 0.0V ± 0.1V

Source Impedance:

50 ohm max.

Rise and Fall Time:

3.0 ns max.

Pulse Width:

500 ns (1 µs for -500)

Period:

1 µs ( 2 µs for -500)

OUTPUT:

Each output is loaded with the equivalent of one 74FO4 input gate. Delay is measured at the 1.5V level

on the rising and falling edge.

NOTE:

Above conditions are for test only and do not restrict the operation of the device under other data sheet

conditions.