Active filters

The components for a discrete fourth order filter would be at least that much wouldn't they?
 
Farnell is ripping off the people in the UK.
The LMF100 costs much less in Canada and the US.

The LMF100 is a dual second-order filter.
 
I am using the LMF 100 now. I am designing a 50 kHz bandpass filter in model 1. As such, I need a clock frequency of 5 MHz. Anyone has any recommendations on how I can get this 5 MHz clock signal? Will a crystal oscillator do the job?
 
The typical max clock frequency of an LMF100 is 3.5MHz, not 5MHz.
 
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