Krohn Hite 高通低通巴特沃斯贝塞尔可编程滤波器 3944

The Krohn-Hite Model 3944 is a 4-channel, Butterworth/Bessel
filter offers a programmable or bench top filter covering a cutoff
frequency range from 3Hz to 2MHz, with a frequency response
characteristic ofmaximally flat (Butterworth) for clean filtering in
the frequency domain, or linear phase (Bessel) to provide superior
pulse or complex signal filtering. The passband gain is unity, and
the attenuation slope is 24dB/octave per channel. The 3944 will
accept input signals of ±4.5V peak and provides input and output
gains of 0dB or 20dB which can be selected via the front panel
keyboard or over the GPIB bus.

• Four Independent Channels
- 滤波器类型巴特沃斯或贝塞尔
- 衰减斜率： 24 分贝/倍频程/通道
- 频率范围3Hz 至 2MHz
- 输入增益：0 分贝或 20 分贝
- 输出增益：0 分贝或 20 分贝
- 阻带衰减>95dB
- 旁通模式

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