Design
High-Q active differential bandpass filter reference design
The TIDA-01036 reference design from Texas Instruments demonstrates a high quality factor (Q factor) active differential bandpass filter. Such filters improve signal source SNR and may be used for data acquisition (DAQ) module testing. This filter may also be used to design a signal conditioning circuit in a DAQ system analog front end.
Features
- Differential input filter supports up to 100 KHz centre frequency with high quality factor.
- Designed fully differential amplifier (FDS) for low distortion and high SNR.
- Multiple feedback topology (MFT) is used for high quality factor.
- High performance device characterisation (A/D and D/A) and validation.
- Compact solution that replaces bulky high order passive filter.
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