J2190A - Filtre actif
  • J2190A - Filtre actif

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Fabricant: Picotest

J2190A - Filtre actif

J2190A 0.1Hz – 10Hz Active filter

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 op-amp 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.

 

Key features:

  • 0.1Hz-10Hz
  • 4th Order Filter
  • Low Pass and Cascadable
  • Very low noise
  • Powered from a J2170A (included)

Frequency response of a single filter (red) and 2 cascaded filters (blue):

J2190A – filtr aktywny

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J2190A 0.1Hz – 10Hz Active filter

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 op-amp 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.

 

Key features:

  • 0.1Hz-10Hz
  • 4th Order Filter
  • Low Pass and Cascadable
  • Very low noise
  • Powered from a J2170A (included)

Frequency response of a single filter (red) and 2 cascaded filters (blue):

J2190A – filtr aktywny

Moins
Lire la suite