TDL Technology
Las Cruces, NM 88012-9736
Oct 02, 2002 Model 601 contains tunable 8-pole Butterworth highpass filter followed by tunable 8-pole Butterworth lowpass filter. Both filter responses are flat in pass band (unity gain) and roll off at 96 dB per octave beyond corner frequency. Corner frequencies can be set from 100 Hz to 40 kHz at front panel or over serial link from PC. Unit includes input analog anti-aliasing lowpass filter, variable gain output amplifier, and analog lowpass output filter.