Resistor Tunable Filter SR/SRA/SV series

SR series

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Model Characteristics Rolloff Cut-off (center) frequency range Frequency setting Type 1 Type 2 Type 3 SR-4BL LPF, 4-pole Butterworth 24dB/oct 40Hz to 1.6kHz 400Hz to 20kHz 5kHz to 100kHz 4 externally connected resistors SR-4FL LPF, 4-pole Elliptic 42dB/oct, equivalent 40Hz to 1.6kHz 400Hz to 20kHz 5kHz to 100kHz SR-4BH LPF, 4-pole Butterworth 24dB/oct 40Hz to 1.6kHz 400Hz to 5kHz - SR-4FH HPF, 4-pole Butterworth 42dB/oct, equivalent 40Hz to 1.6kHz 400Hz to 5kHz - SR-2BLH LPF, 2-pole Butterworth 12dB/oct 40Hz to 1.6kHz 400Hz to 20kHz 5kHz to 100kHz 2 externally connected resistors SR-1BP BPF, 1-pole pair, Q=5 to 50 6dB/oct BW 40Hz to 1.6kHz 400Hz to 10kHz - SR-2BP BPF, 2-pole pair, Q=5 12dB/oct BW 40Hz to 1.6kHz 400Hz to 10kHz - 4 externally connected resistors SR-2BE BEF, 2-pole pair, Q=5 Max. attenua-tion 60dB 40Hz to 1.6kHz 400Hz to 10kHz -

RD-404D1/2

(pdf : 280 KB)

Model Description Frequency range Control type RD-404D1/2 Logic frequency setting is available with the combination use of SR filters. 10Hz to 16kHz Digital tunable

SRA series

SRA Series : Low power Consumtion

Model Characteristics Rolloff Cut-off (center) frequency range Frequency setting Type 1 SRA-4BL LPF, 4-pole Butterworth 24dB/oct 40Hz to 1.6kHz 4 externally connected resistors SRA-4FL LPF, 4-pole Elliptic 42dB/oct, equivalent 40Hz to 1.6kHz SRA-4BH LPF, 4-pole Butterworth 24dB/oct 40Hz to 1.6kHz SRA-4FH HPF, 4-pole Butterworth 42dB/oct, equivalent 40Hz to 1.6kHz SRA-2BP BPF, 2-pole pair, Q=5 12dB/oct BW 40Hz to 1.6kHz

SV Series

SV Series : 5,5V or 3,3V of single supply voltage

Model Characteristics Rolloff Cut-off (center) frequency range Supply voltage Frequency setting Type 1 Type 2 SV-4BL LPF, 4-pole Butterworth 24dB/oct 10Hz to 10kHz 100Hz to 100kHz 5V or 3.3V, single supply voltage 4 externally connected resistors SV-4FL LPF,4-pole Elliptic 42dB/oct equivalentt