DEMO MANUAL DC266B LTC1562/LTC1562-2Quad 2nd Order Active RC Filter IC
●Demonstration circuit DC266B-A is for the evaluation of 8th order filter circuits using an LTC1562 (no dash) and DC266B-B for an LTC1562-2. LTC1562 and LTC1562-2 are quad 2nd order active-RC filter building blocks. The LTC1562 or LTC1562-2 2nd order sections can be con-figured with external resistors to implement lowpass and narrow or wide band bandpass filters. The frequency range for a lowpass filter is 10kHz to 150kHz and 20kHz to 300kHz for the LTC1562 and LTC1562-2 respectively. The frequency range for a bandpass filter is 20kHz to 120kHz and 40kHz to 250kHz for the LTC1562 and LTC1562-2 respectively (the LTC1562A is higher precision version of the LTC1562).
●For testing and evaluation, the DC266B-A is configured as an 8th order, 50kHz bandpass filter and the DC266B-B is configured as an 8th order, 200kHz bandpass filter.
●For other possible LTC1562 or LTC1562-2 configurations, the DC226B-A and DC226B-B have unused pads for 0805 surface mount resistors and capacitors preconfigured with PCB traces to allow for the following filter circuits:
■8th order lowpass filter
■Dual 4th or 5th order lowpass filter
■8th order narrow band bandpass
■8th order wide band bandpass.
●Refer to the LTC1562 or LTC1562-2 data sheet for com-prehensive filter design information.
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/12/04 |
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dc266bf |
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860 KB |
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