XR·1 000·1 008 General Purpose Low Pass Filter GENERAL DESCRIPTION The XR-1000 is a general purpose 4th order low pass filter utilizing switched capacitor (SCF) circuit techniques.
XR-1000 is available in several options providing Butterworth or Chebyshev filter responses.
The Chebyshev option is also available with passband ripple specifications of 0.
01, 0.
1, or 1.
0 dB specifications.
The SCF techniques used provide a clock tunable cutoff frequency, with either 50:1 or 100:1 clock to cutoff frequency ratios available.
The clock may be externally generated or an on-board Schmitt trigger is supplied for providing an internal clock with an external resistor/ capacitor combination.
The XR-100...

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