Silicon Analog Components by Badih El-Kareh & Lou N. Hutter

Author:Badih El-Kareh & Lou N. Hutter
Language: eng
Format: epub
Publisher: Springer New York, New York, NY

The gate capacitances are shown in Fig. 7.18a. C GS is the gate-to-source capacitance including overlap, fringe, and channel, C GD is the gate-to-drain capacitance including overlap and fringe, C GB is the gate-to-body capacitance, and C DB is the drain-to-body capacitance. The capacitances are voltage dependent. Since typically source and body are grounded, C GB and C DB are referred to source.

A schematic diagram of a Q G measurement technique is shown in Fig. 7.19a [25].

Fig. 7.19 a Gate charge Q G measurement setup [25]. b Charging waveforms charging waveform

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