SCXI-1142 National Instruments Lowpass Filter Input Module | Apex Waves | Image SCXI-1142 National Instruments Lowpass Filter Input Module | Apex Waves | ImageSCXI-1142SCXI-1142 | Legacy, Refurbished and New Surplus
SCXI-1142 National Instruments Lowpass Filter Input Module | Apex Waves | Image
SCXI-1142 National Instruments Lowpass Filter Input Module | Apex Waves | Image
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SCXI-1142 | Legacy, Refurbished and New Surplus

SCXI-1142

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Modular Systems > National Instruments > SCXI

Part Number SCXI-1142
Manufacturer/Brand National Instruments
Description: SCXI-1142, 8-Channel, Lowpass Filter Input Module
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National Instruments SCXI-1142 Lowpass Filter Input Module

The NI SCXI-1142 (Part Number: 776572-42) module is suitable for antialiasing applications and can also be used for general-purpose signal amplification and filtering. This module has a Bessel filter response, eight channels, and works with National Instruments E/M Series DAQ instruments. Multiplexed and parallel modes are the two modes of operation available on this module.

The 8th-order Bessel filters on the SCXI-1142 preserve signal phase integrity and are well-suited for applications that entail simultaneous sampling. The filters are a combination of SCFs and continuous-time filters (CTFs). SCF technology allows the cutoff frequency to be configured via software with ease. Although, SCFs are sampling systems and are therefore subject to the same aliasing effects as digitizers. The hybrid design utilizes a CTF prefilter to stop aliasing in the SCF and CTF postfilter to recreate the sampled waveform.

The SCXI 1142 Lowpass Filter Input Module has calibration hardware to get rid of error sources. Software-programmable analog switches can ground the inputs of the instrumentation amplifiers for offset error calibration with the use of automatic input zeroing. With the use of an external reference voltage, the user can calibrate the module to their specific operating environment. Also, DC compensation circuits eradicate the offset errors of the filters. This ensures great DC preciseness, despite whether lowpass filtering is activated. An onboard EEPROM saves the calibration constants in the permanent memory, which cannot be altered by the user. NI-DAQ transparently utilizes the calibration constants to adjust for gain mistakes.

SCXI-1142 Obsolete Status has been announced by National Instruments, but the module will still be available for purchase and repairs by Apex Waves.

ModelSCXI-1142
ManufacturerNational Instruments
Part Number776572-42
TypeLowpass Filter Input Module
Channels8
Input Range±5 V
Output Range±5 V
Input CouplingDC
Dimensions1.2 by 6.8 by 8.0 in.
WarrantyOne Year Warranty
SCXI-1142 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments SCXI-1142 Frequently Asked Questions

 

Question: What is the programmable gain per channel for the SCXI-1142?

 

Answer: The programmable gain per channel on the SCXI-1142 is ±50 mV to ±5 V input range.

 


Question: Is the SCXI 1142 good for antialiasing applications?

 

Answer: Yes, the SCXI 1142 is ideal for antialiasing applications.

 

Question: What filter types are available on the NI SCXI-1142?

 

Answer: There are three filter types on the NI SCXI-1142: elliptical, Bessel, or Butterworth. The 8th-order Bessel filters, which maintain signal phase integrity. Bessel filters are ideal for applications requiring simultaneous sampling.

  SCXI-1142 PDF Manuals

  SCXI-1142 Driver Packages


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Repair Evaluation: $150
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Common Typos: SVXI-1142, SCCI-1142, SCXU-1142, SCXI-114Q, SCXI-114E

SCXI-1142


SCXI-1142

SCXI-1142, 8-Channel, Lowpass Filter Input Module

In Stock | Ships 3-5 Days
Lowest Price Guarantee
2-3 Year Warranty Included
Free Ground Shipping
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National Instruments SCXI-1142 Lowpass Filter Input Module

The NI SCXI-1142 (Part Number: 776572-42) module is suitable for antialiasing applications and can also be used for general-purpose signal amplification and filtering. This module has a Bessel filter response, eight channels, and works with National Instruments E/M Series DAQ instruments. Multiplexed and parallel modes are the two modes of operation available on this module.

The 8th-order Bessel filters on the SCXI-1142 preserve signal phase integrity and are well-suited for applications that entail simultaneous sampling. The filters are a combination of SCFs and continuous-time filters (CTFs). SCF technology allows the cutoff frequency to be configured via software with ease. Although, SCFs are sampling systems and are therefore subject to the same aliasing effects as digitizers. The hybrid design utilizes a CTF prefilter to stop aliasing in the SCF and CTF postfilter to recreate the sampled waveform.

The SCXI 1142 Lowpass Filter Input Module has calibration hardware to get rid of error sources. Software-programmable analog switches can ground the inputs of the instrumentation amplifiers for offset error calibration with the use of automatic input zeroing. With the use of an external reference voltage, the user can calibrate the module to their specific operating environment. Also, DC compensation circuits eradicate the offset errors of the filters. This ensures great DC preciseness, despite whether lowpass filtering is activated. An onboard EEPROM saves the calibration constants in the permanent memory, which cannot be altered by the user. NI-DAQ transparently utilizes the calibration constants to adjust for gain mistakes.

SCXI-1142 Obsolete Status has been announced by National Instruments, but the module will still be available for purchase and repairs by Apex Waves.

ModelSCXI-1142
ManufacturerNational Instruments
Part Number776572-42
TypeLowpass Filter Input Module
Channels8
Input Range±5 V
Output Range±5 V
Input CouplingDC
Dimensions1.2 by 6.8 by 8.0 in.
WarrantyOne Year Warranty
SCXI-1142 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments SCXI-1142 Frequently Asked Questions

 

Question: What is the programmable gain per channel for the SCXI-1142?

 

Answer: The programmable gain per channel on the SCXI-1142 is ±50 mV to ±5 V input range.

 


Question: Is the SCXI 1142 good for antialiasing applications?

 

Answer: Yes, the SCXI 1142 is ideal for antialiasing applications.

 

Question: What filter types are available on the NI SCXI-1142?

 

Answer: There are three filter types on the NI SCXI-1142: elliptical, Bessel, or Butterworth. The 8th-order Bessel filters, which maintain signal phase integrity. Bessel filters are ideal for applications requiring simultaneous sampling.

SCXI-1142 PDF Manuals & Diagrams

NI-Visa 17.5 package

Why Buy From Apex Waves

Apex Waves Youtube Video

Delivery: UPS, FedEX and DHL – Free Fedex Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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