LPF-30
Lo-Pass Filter
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Overview
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LPF-30 Instruction Manual
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- Filter analog signals before digital conversion
- Switch selectable gain of x1 or x10
- Complete and ready to use
Features
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.
Specifications
| INPUT IMPEDANCE | 1 MOhm |
| 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 uVpp |
| EQUIVALENT SHORTED INPUT NOISE AT x10 GAIN: 30 kHz Bandwidth | 30 uVpp |
| OUTPUT VOLTAGE RANGE | ±8 V |
| MAX. INPUT VOLTAGE | ±10 V |
| OUTPUT RESISTANCE | 100 Ohm |
| 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 |
| DIMENSIONS | 5 x 3 x 2 inches (13 x 8 x 5 cm) |
| SHIPPING WEIGHT | 2 lb (0.9 kg) |
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