1. This circuit uses a JFET to bootstrap the cathode of the photodiode. It eliminates the effect of diode resistance and capacitance. This improves bandwidth and reduces noise, but puts a dc voltage ...
When a JFET preamplifier with even lower noise is required, a discrete input device is the only solution. While the variety of JFETs on the market is shrinking year after year, some devices with an ...
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