Filter

A filter is a circuit that separates some frequencies from others within mixed-frequency signals. It is used for preprocessing in measurement. NF has various kinds of active filters. The abundance of filters extends the range of choices.

Variable Cut-off Frequency Filter

CD Player Evaluating Filter

Mix Tape Bandpass Filter

Multichannel Filter (built-in module)

[ Abbreviations ]

LP : Low-pass, HP: High-pass, BP: Band-pass, BE : Band-elimination, BW : Bandwidth