Fully Differential Active Analogue Filter

We are pleased to announce the availability of our new differential, continuous-time, active, analogue filter. This filter can be configured as a single filter of up to 8th order or as two independant filters of up to 4th order. Any 4th or 8th order filter can be low-pass or high-pass and band-pass or band stop filters can be realised by cascading one 4th order high-pass filter and one 4th order low-pass filter. However, this technique is not recommended for narrow band-pass or narrow band-stop filters which are better realised by other techniques.


The use of a differential filter in front of a differential ADC is preferrable to the use of conventional single ended filters, particularly when the signal source is differential as in some audio applications.

Price: £80
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Sample Schematic pdf Doc