Skip to main content
. Author manuscript; available in PMC: 2019 May 24.
Published in final edited form as: Rev Sci Instrum. 2016 Dec;87(12):124702. doi: 10.1063/1.4969059

FIG. 2.

FIG. 2.

MOSFET “quench” circuit. When the mid-ground node VMG (also shown in Fig. 1) goes below the threshold value set at VTH, the op-amp puts the HV MOSFET Q1 into conduction. When engaged, the quench time constant is given by τ ≈ RMOSCout, which for our circuit is set to 1ms. The capacitor Cout = 1 μF is shown in Fig. 1, and details of this circuit are discussed in Sec. II C.