Fixed Frequency Filter CF series

	The CF series is semi-custom made filter. A cutoff (center) frequency and detail specifications are specified by customers. Various type filters for a semi-custom made are prepared.
CF-8BL

CF Series

Lowpass Filter

Model CF-3BL CF-3LL CF-4BL CF-4LL CF-5BL CF-5LL CF-6BL CF-6LL CF-7BL CF-7LL CF-8BL CF-8LL Rolloff 18dB/oct 24dB/oct 30dB/oct 36dB/oct 42dB/oct 48dB/oct Characteristics B : Butterworth, L : Bessel Cut-off frequency 1Hz to 1MHz

Model CF-6FL CF-7FL CF-8FL Rolloff 60dB/oct to 300dB/oct Characteristics Elliptic Cut-off frequency 10Hz to 1MHz

Highpass Filter

Model CF-3BH CF-4BH CF-5BH CF-6BH CF-7BH CF-8BH Rolloff 18dB/oct 24dB/oct 30dB/oct 36dB/oct 42dB/oct 48dB/oct Characteristics Butterworth Cut-off frequency 1Hz to 50kHz

Model CF-6FH CF-7FH CF-8FH Rolloff 60dB/oct to 300dB/oct Characteristics Elliptic Cut-off frequency 1Hz to 50kHz

Bandpass Filter

Model CF-2BP CF-3BP CF-4BP CF-5BP CF-6BP No. off pole 4 (2-pole pair) 6 (3-pole pair) 8 (4-pole pair) 10 (5-pole pair) 12 (6-pole pair) Rolloff 12dB/oct BW 18dB/oct BW 24dB/oct BW 30dB/oct BW 36dB/oct BW Center frequency 1Hz to 1MHz 1Hz to 100kHz Q 1 to 10

Band-eliminaion Filter

Model CF-1BE CF-2BE CF-3BE CF-4BE No. off pole 2 (1-pole pair) 4 (2-pole pair) 6 (3-pole pair) 8 (4-pole pair) Center frequency 1Hz to 50kHz Q 5

* Supply voltage :

±15V (±5V to ±18V)