When using different types of probes, such as a voltage probe and a current probe, a small propagation delay difference exists between the probe pair. Small, but significant, this difference is caused by each probe's unique internal circuitry and cable length. This propagation delay difference is known as ‘skew' and creates an error when calculating switching loss or measuring timing. In the high speed switching of the switching power supply, the engineer is required to measure the timing of the control signal in nano seconds.
The 701936 Deskew correction signal source provides time synchronized current and voltage sources, which are necessary to calibrate and remove the skew characteristics from your oscilloscope-based power analysis measurements.
The 701936 also supports more types of clamp-on current probes, such as the Yokogawa 701930 and 701931, for larger current measurements because a 1A source is added.
The 701936 uses a USB cable as a convenient source of power.
Unlike the previous 701935, the new source is not supplied in an enclosure in order that current clamps with larger jaws can be easily accommodated and the manufacturing costs minimized. The open style is similar to that of our scope competitors.
Output voltage: Approx. 0 to 5 V
Output current: Approx. 0 to 100 mA (small current)
Approx. 0 to 1 A (large current)
Fall time: Approx. 25 nsec (small current)
Approx. 250 nsec (large current)
Fixed time difference between
voltage and current : 2.3 nsec +/- 0.5 nsec (small current)
14.5 nsec +/- 1.0 nsec (large current)
Power supply: 5 Vdc / 100 mA (Avg.) via USB cable
Dimensions: 150 mm (W) x 48 mm (H) x 60 mm (D)
Weight: Approx. 100 g
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