LPF-30 Low-Pass Filter
WPI
Upper frequency band limit can be smoothly varied between 100 Hz and 30 kHz using a single knob. WPI’s new low-pass filter is small, consumes little power, and can be located almost anywhere in your workspace. Features switch-selectable gain of ×1 or ×10 and low noise. An ideal tool for filtering an analog signal before digital conversion by data acquisition systems.
| Input Impedance |
1 MΩ |
| Gain |
x1, x10 |
| Bandwidth filter |
100 Hz to 30 kHz (2 pole R/C) |
| Sharpness |
40 dB/decade |
| Equivalent shorted input noise at x10 gain: 100 Hz Bandwidth |
10 µVpp |
| Equivalent shorted input noise at x10 gain: 30 kHz Bandwidth |
30 µVpp |
| Output voltage range |
±8 V |
| Max. input voltage |
±10 V |
| Output resistance |
100 Ω |
| Low battery indicator |
LED lights when approximately 60 hours of battery life remain. |
| Power |
2 nine-volt alkaline batteries, supplied |
| Battery life |
About 400 hours |
| Dimension |
5 x 3 x 2 inches (13 x 8 x 5 cm) |
| Shipping weight |
2 lb (0.9 kg) |
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