LHBF – Bessel Filter
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LHBF – High and low pass Bessel Filter
- 8 pole low pass filter with 16 corner frequencies
- gain from 1 to 1000
- differential input
Technical Data
| INPUT RANGE |
±12 V |
| INPUT IMPEDANCE |
1 MΩ related to ground (other values possible), input capacitance: 30 pF |
| AC COUPLING AT INPUT |
corner frequency of 0.1 Hz (if AC /0 /DC switch at BNC connector is switched to AC) |
| DIFFERENTIAL INPUT |
CMR >90 dB |
| OFFSET COMPENSATION |
±0.1 V, ±1 V or ±10 V by toggle switch and ten-turn potentiometer |
| LOWPASS FILTER |
8-pole Bessel, attenuation: -48 dB/octave, corner frequencies (Hz): 30, 100, 300, 500, 700, 900, 1.3k, 1.5k, 1.7K, 3k, 10k, 20k |
| HIGHPASS FILTER |
1-pole Bessel, attenuation: -8 dB/octave, corner frequencies (Hz): 0.3, 3, 10, 30, 100, 300, 500, 800, 1k, 3k, 10k; OFF position |
| GAIN |
rotary switch: 1-2-5-10-20-50-100-200-500-1000 |
| OVERLOAD LEDS |
starting to light up at ±10 V |
| FULL POWER BANDWIDTH |
30 kHz |
| OUTPUT IMPEDANCE |
250 Ω |
| OUTPUT VOLTAGE |
max. ±12 V |
| LOAD CAPACITANCE |
max. 10 nF |
| GAIN / FREQUENCY MONITOR |
1V / step |
| POWER REQUIREMENTS |
230 V/115 V AC, 20 W |
| DIMENSIONS |
19″ rackmount cabinet, 19″ (483 mm), 10″ (250 mm), 3.5″ (88 mm) |
Ordering
| Part No. |
Description |
| LHBF-48X-8HL |
High/Lowpass-Bessel Filter System (with differential input) |
