How to reduce pulse voltage?

How to reduce pulse voltage?

The essence of this circuit is that the high voltage pulse generation relies on V=L* di/dt.

1. Reducing the resistance of the varistor will decrease the pulse voltage.
2. Reducing L will reduce the pulse amplitude, in accordance with V=L* di/dt.

How to reduce impedance?

You can reduce your input impedance by simply adding a parallel resistor to ground. This approach is often taken to ensure a transmission line is terminated by a matching impedance. You can also reduce input impedance (to near zero) using feedback, such as in a transimpedance amplifier.

What should I do with a high impedance circuit?

So dealing with high impedance circuits means minimizing those quantities. The most common and addressable form of leakage is that due to solder flux residue. Boards supporting high impedance circuits should be well cleaned so that all flux is removed.

What should I use to reduce the impedance of my cable?

Skin oil conductivity is known to vary among humans. For cleaning, Ohmite recommends isopropyl alcohol and lint free wipes and a 75°C bake for 1 hour to drive off moisture. When performing an impedance measurement like this, bear in mind that the insulator in the cable is entirely in parallel with the resistor under test.

Why is offset voltage important for high impedance sensors?

Sometimes a better offset voltage can help defray a slightly worse bias current specification. For a given source impedance, the overall input error will be V OS + I BIAS *R source. As source impedance rises, the bias current term dominates, making a MOSFET input solution more attractive.

What is the maximum voltage of an EHT nanosecond pulse?

Because EHT nanosecond pulsers can generate high voltage pulses up to 20 kV (or even higher in some cases), and high voltage differential probes typically have a maximum voltage rating no greater than 6 kV, it is usually necessary to measure the output through a voltage divider.