美国Krohn Hite 7500滤波器

Krohn Hite 3945 滤波器，性能稳定、精度高、使用寿命长。

详细参数（英文）

 3361 Single Channel; HP, LP; 24dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (2 cables recommended)
3362 Dual Channel; HP, LP; 24dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
Option BK-330: Battery Kit
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (4 cables recommended)
3364 Four Channel; HP, LP; 24dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (8 cables recommended)
3381 Single Channel; HP, LP; 48dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (2 cables recommended)
3382 Dual Channel; HP, LP; 48dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
Option BK-330: Battery Kit
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (4 cables recommended)
3384 Four Channel; HP, LP; 48dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain
Option 002: Extend low-end cutoff to 0.005Hz
RK-314: Rack Mount Kit
CAB-025: 3ft. BNC Cable (8 cables recommended)
#VALUE!
30A-1 Single Channel; Low-Pass; 1Hz to 99kHz, 115dB/octave; Diff/Single-Ended Input; Gain; Elliptic
31A-1 Single Channel; High-Pass; 1Hz to 99kHz, 115dB/octave; Diff/Single-Ended Input; Gain; Elliptic
34A Dual Channel; Low-Pass, High-Pass, Band-Pass, Band-Reject; 3Hz to 2MHz, Butterworth, Bessel, Gain
Option 020: Lower frequency cutoff range to 0.3Hz to 200kHz
35 Single Channel; Low-Pass; Amplifier Mode; 170Hz to 25.6MHz; 24dB/octave; Butterworth
Option 005: Bessel response replaces Butterworth response
38 Single Channel; Low-Pass, High-Pass; 0.03Hz to 1MHz; 48dB/octave; Butterworth, Bessel, Gain
Option 002: Extends low-end cutoff frequency range to 0.003Hz
3905C Mainframe; GPIB Programmable, up to five plug-in cards
Option ME39A: Card extender
RK-317: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (recommend 2-3 per card depending on the model installed)
3916C Mainframe; GPIB Programmable, up to sixteen plug-in cards
Option ME39A: Card extender
RK-817: Rack Mount Kit with Rack Slides
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (recommend 2-3 per card depending on the model installed)
#VALUE!
#VALUE!
#VALUE!
#VALUE!
3900 Dual Channel; Low-Pass; 1Hz to 99kHz, 115dB/octave; Diff/Single-Ended Input; Gain; Elliptic
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (6 cables recommended)
3901 Dual Channel; Low-Pass, High-Pass; 1Hz to 99kHz, 115dB/octave; Diff/Single-Ended; Gain; Elliptic
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (6 cables recommended)
3940 Dual Channel; Low-Pass, High-Pass, Band-Pass, Band-Reject; 3Hz to 2MHz, Butterworth, Bessel, Gain
Option 020: Lower frequency cutoff range to 0.3Hz to 200kHz
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (4 cables recommended)
3944 Four Channel; LP, HP, BP, BR; 3Hz to 2MHz, Butterworth, Bessel, Gain
Option 020: Lower frequency cutoff range to 0.3Hz to 200kHz
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (8 cables recommended)
3945 Three Channel; Low-Pass, High-Pass, Band-Pass, Band-Reject; two channels;
#VALUE!
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (6 cables recommended)
3955 Dual Channel; Low-Pass, 170Hz to 25.6MHz, 24dB/octave; Butterworth; Amplifier Mode
Option 005: Bessel response replaces Butterworth response
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (4 cables recommended)
3988 Dual Channel; LP, HP, BP, BR; 0.03Hz to 1MHz; 48dB/octave; Butterworth, Bessel; Gain
Option 002: Extends low-end cutoff frequency range to 0.003Hz
RK-37: Rack Mount Kit
CAB-10: GPIB Cable with Connectors, 2-Meters
CAB-11: GPIB Cable with Connectors, 1-Meter
CAB-025: 3ft. BNC Cable (6 cables recommended)