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通用滤波器

our general purpose tunable active filters are analog signal conditioning, frequency discriminating instruments whose signal transmission characteristics are functions of frequency. their basic function is to pass wanted signals and suppress unwanted signals, according to frequency. krohn-hite provides a combination of reliability, performance and economy in these bench top models.

other filter products
     benchtop/programmable tunable filters  |  signal conditioning systems  |  fixed frequency filter modules  |  fixed frequency filter systems

selection guide

model

model 3361
1 channel

model 3362
2 channel

model 3364
4 channel

model 3381
1 channel

model 3382
2 channel

model 3384
4 channel

1 channel bench top filter model 3361

2 channel bench top filter model 3362

4 channel bench top filter model 3364

1 channel bench top filter model 3381

2 channel bench top filter model 3382

4 channel bench top filter model 3384

 

 

 

 


attenuation rate

24db/octave

24db/octave

24db/octave

48db/octave

48db/octave

48db/octave

independent channels

1

2

4

1

2

4

cutoff frequency

0.1hz to 200khz

0.1hz to 200khz

0.1hz to 200khz

0.1hz to 200khz

0.1hz to 200khz

0.1hz to 200khz

responses

butterworth, bessel

butterworth, bessel

butterworth, bessel

butterworth, bessel

butterworth, bessel

butterworth, bessel

functions

lp and hp *

lp, hp, bp, br *

lp, hp, bp, br *

lp and hp *

lp, hp, bp, br *

lp, hp, bp, br *

bp, br channels

none

1

2

none

1

2

input type

se **, differential

se **, differential

se **, differential

se **, differential

se **, differential

se **, differential

input volts

±10v peak

±10v peak

±10v peak

±10v peak

±10v peak

±10v peak

output volts

±10v peak

±10v peak

±10v peak

±10v peak

±10v peak

±10v peak

pre-filter gain

50db in 10db steps

50db in 10db steps

50db in 10db steps

50db in 10db steps

50db in 10db steps

50db in 10db steps

post-filter gain

20db in 0.1db steps

20db in 0.1db steps

20db in 0.1db steps

20db in 0.1db steps

20db in 0.1db steps

20db in 0.1db steps

data sheet

data sheet

data sheet

data sheet

data sheet

data sheet

data sheet

manual

operating

operating

operating

operating

operating

operating

*  lp = low-pass, hp = high-pass, bp = band-pass, br = band-reject; band-pass and band-reject require 2 channels.  ** se = single-ended

 

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