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LTC1164-8 - Ultraselective/ Low Power 8th Order Elliptic Bandpass Filter

Description

The LTC®1164-8 is a monolithic ultraselective, 8th order, elliptic bandpass filter.

The passband of the LTC1164-8 is tuned with an external clock and the clock-to-center frequency ratio is 100:1.

3dB pass bandwidth is typically 1% of the filter center frequency.

Features

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LTC1164-8 Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain FEATURES s s s s s s DESCRIPTION The LTC®1164-8 is a monolithic ultraselective, 8th order, elliptic bandpass filter. The passband of the LTC1164-8 is tuned with an external clock and the clock-to-center frequency ratio is 100:1. The – 3dB pass bandwidth is typically 1% of the filter center frequency. The stopband attenuation of the LTC1164-8 is greater than 50dB. The lower and upper stopband frequencies are less than 0.96 • center frequency and greater than 1.04 • center frequency, respectively. The LTC1164-8 requires an external op amp and two external resistors (see the circuit below). The filter’s gain at center frequency is set by the ratio RIN /RF.
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