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Schmartboard Active Filter (710-0013-01)

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 Product Description

Schmartboard Active Filter

Applications for the Active Filter Board include being used as an anti-aliasing filter for A/D conversion or as a reconstruction filter after D/A rohs-logo.jpgconversion.

The Active filter Board is configured as a two pole active filter followed by a third passive pole if desired. The op amp circuitry forms the two pole filter while the RC network at the output of the operational amplifier forms the third passive pole.

The operational amplifier used for this board is the Texas Instrument’s OPA172 whose main features make it very suitable for experimenting.

These features are,

• Wide Supply Range: +4.5 V to +36 V, ±2.25 V to ±18 V

• Low Offset Voltage: ±0.2 mV

• Gain Bandwidth: 10 MHz

• Input Range Includes the Negative Supply

• Input Range Operates to Positive Supply

• Rail-to-Rail Output

• Low Noise: 7 nV/√Hz

• High Common-Mode Rejection: 120 dB

• Low Input Bias Current: ±8 pA

• Low Quiescent Current: 1.6mA per Amplifier 

The OPAMP Board can be operated with single or dual power supplies and the 10MHz bandwidth makes is sufficient for most experimenter’s circuits.

Application Notes

Bill of Material


Mechanical Specifications


Active Filter Simulation Files (zip)

Active Filter Support Files (zip)

Schmartboards' also connect together.  Schmartboard allows you to wire up multiple Schmartboard and then mechanically connect them via our "SchmartBridges".  Schmartboard's "Electronic Circuit Building Block" patented technology makes it easier to create and trouble-shoot your circuit.  Rather than trouble-shooting an issue on a large and complicated messy circuit, why not build and test smaller circuit blocks and then connect them together to form your larger final circuit.  This saves time and money and is only available from Schmartboard.



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