The FL4 Four Pole Bessel Filter is a General purpose, high cut (low pass) filter. Its Bessel filter characteristics are ideal for pulse-type data acquisition and analysis.
Also available: FL8 Eight Pole Bessel Filter providing the same features, with a sharper Cut-off at the selected bandwith.
- 12 filter settings
- 3 gain settings
- Selectable signal coupling
- Available phase inversion
- Low noise, external power supply
Patch Clamp Recording
Removal of background noise from pulse data
Turn-key signal conditioning
Filter Settings (Hz) 20, 50, 100, 200, 500, 1 k, 2k, 5k,10k, 20k, 50k, 100k
Impedance Input: 1 MΩ; Output: 560 Ω
Gain Settings 1, 10, 100
Size 7.3" wide, 2.6" high, 9.7" deep
Coupling AC, DC, DC with Offset ( ± 7 V)
Power For 230 V AC external power supply PS-1 is available (order separately.)
Phase Normal, Invert
Telegraph Optional Telegraph (T option) provides DC level via back panel BNC representing filter setting encoded at 400 mV/step.