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Measurement Instruments Power Supply and Power Control produts Function Modules Customized Products
home > Products > Function Modules > Filter > Resistor Tunable Filter > SR/SRA/SV series
Important Notice

Filter
Resistor Tunable Filter
SR/SRA/SV series

Resistor tunable filters

SR series
datasheet pdf (pdf : 590 KB)
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 5Hz to 100kHz 4 externally connected resistors
SR-4FL LPF, 4-pole Elliptic 42dB/oct, equivalent 40Hz to 1.6kHz 400Hz to 20kHz 5Hz 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 5Hz 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
datasheet pdf (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



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