NF 3624/3625/3627/3628 Circuit Design Wideband Programmable Filter

Number of channels

2（CH-A、CH-B）

Filter mode

LP-MF (maximally flat low-pass), LP-PL (phase-linear low-pass), HPF (high-pass), BPF (band-pass), BEF (band-stop), THRU

Connection method

SEPARATE (CH-A, CH-B operate independently), CASCADE (CH-A, CH-B cascaded)

Cutoff frequency

0.01Hz～159.9kHz

LPF：1Hz～1.59MHz、

3 1/2-digit setting

HPF, BEF：1Hz～500kHz、

BPF: 1Hz～1MHz　2 1/2-digit setting

Attenuation slope

24dB

48dB

24dB

48dB

BPF: 2nd order, Q=5

BPF: 2nd order, Q=4.32

BPF: 2nd order, Q=5

BPF: 2nd order, Q=4.32

BEF: 1st order vs. Q=4.3

BEF: 1st order vs. Q=4.3

BEF: 1st order vs. Q=4.3

BEF: 1st order vs. Q=4.3

Bandpass gain*

Both the input amplifier and output amplifier can be switched between ×1, ×2, and ×5

THRUMode

DC～1MHz (+5, -3dB) typ.

DC～2MHz (+5, -3dB) typ.

frequency at

Features

Input mode

Single-ended grounded/floating switching

Input impedance

1MΩ unbalanced

Maximum attenuation

100dB or more (～100kHz),

90dB or more (~100kHz),

80dB or more (~1MHz)

70 dB or more (~2 MHz)

Output impedance

50Ω unbalanced

Maximum output

±10V/open, ±5V/50Ω

Voltage

Distortion

0.02% typ. (below 5kHz),

0.2% or less (100kHz or less)

0.2% or less (100kHz or less)

Power supply

AC100V, 120V, 220V, 240V switchable

External dimensions (mm)

434(W)×132.5(H)×400(D)

Weight

Approx. 10.0kg

Approx. 10.5kg

Approx. 10.0kg

Approx. 10.5kg