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     J2190A 0.1Hz-10Hz Active Filter

icon 0.1Hz-10Hz
icon 4th Order Filter
icon Low Pass and Cascadable
icon Very low noise
icon Powered from a J2170A (included)
icon Detailed Specifications
  Product Information

The J2190A active filter presents a high impedance (approximately 150kOhms) minimizing the loading of the circuit being tested. The output impedance is 50 Ohms allowing low noise coaxial connections to all typical test equipment. The 0.1Hz-10Hz noise band is common for opamp measurements, voltage regulators and voltage references. Many application notes offer schematics of such a filter for test purposes. An engineer’s time is much too valuable to be spent building test equipment. We have created a 4th order high pass and 4th order low pass filter with an optimally flat response and 0dB gain. Additional filters can be cascaded for even sharper cutoff.

  Detailed Specifications:
Characteristic Rating
Gain 0dB
Input Impedance High Z
Output Impedance 50 ohms
Bandwidth 0.1 to 10Hz
Temperature Range 0 ~ 50°C
Maximum Altitude 6000 Ft


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