Fixed Frequency Filter

CF series

CF-8BL

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)