Additional Features:

• Filter modes: LPF, HPF, BPF or THRU
• Filter types: LPF: Maximum flatness or phase linear, switchable; HPF: Maximum flatness
• Cutoff frequency: LPF: 1 Hz to 10 MHz; HPF: 1 Hz to 3 MHz
• Rolloff: 24dB/oct
• No. of channels: 1
• Input impedance: 1MΩ or 50 Ω//50pF, switchable
• Pass band gain: 0 ± 0.7dB*
• Harmonic distortion: 0.3% or less (at 100 kHz or less)
• S/N ratio: 60dB or greater (at 100 MHz or less)
• DC offset: Adjustable to zero
• Power requirements: AC100, 120, 220 or 240V ± 10%, switchable
• Dimensions & Weight: 429(W) X 99(H) X 350(D)(mm), approx. 8kg

The NF Corporation FV-628B has a wide cutoff frequency range of LPF 1 Hz to 10 MHz, HPF 1 Hz to 3 MHz, and BPF combination of LPF and HPF. In addition the LPF can be switched over maximum flatness and phase linear responses.