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厂商名称:NF
商品名称:滤波器
商品型号:P-81/P-82/P-83/P-84/P-85/P-86/P-87
简单信息:NF
24dB/oct Filter · 48dB/oct Filter   P-81 / P-82 / P-83 / P-84 / P-85

Features
P-81 P-82 P-83 P-84
Four modes :
Lowpass (Maximum Flatness and Phase-Linear),
Highpass and THRU
16 selectable points for highresolution control of cutoff frequency
Cascade mode enables simple cascade connection to neighboring units
Input ground line is floatable, enabling the elimination of induced noise caused by ground loops

Model Cut-off frequency range
Rolloff
P-81 0.1Hz to 1.6kHz 24dB/oct
P-82 1Hz to 16kHz
P-83 0.1Hz to 1.6kHz 48dB/oct
P-84 1Hz to 16kHz

Specifications

Mode Lowpass (MF, PL), Highpass and THRU
No. of amplifier and filter units Maximum of 4 channels
Cutoff frequency setting 1, 2………15, 16 (16 points), plus multipliers
Input method CASCADE (The output of left-side unit is connected.),
FLOAT, GND (single-ended input)
Input impedance 100k ohm // 40pF
CMRR 60dB or greater (DC to 1kHz)
Output voltage ±10V
Phase matching between the same type units P-81 : ±1º typ.,  P-82 : ±1.2º typ., P-83 : ±1º typ.,  P-84 : ±2.2º typ.
(LP, DC to 2fc, purchased together)

48dB/oct Filter   P-85

P-85
Features
Wide cutoff frequency range :0.1Hz to 119.9kHz
High resolution : 3-digits
Four filter modes

Specifications
ModelCutting frequency range 0.1 to 119.9kHz
P-81Rolloff 48dB/oct
P-82Modes Lowpass (ML, PL), Highpass and THRU
P-83Cutting frequency setting 0.1, 0.2, 0.3, …119.9 (1199 points) plus
multipliers
P-84Input method CASCADE (The output of left-side unit is connected.), FLOAT, GND (single-ended input)
Input impedance 100k ohm // 40pF
CMRR 60dB or greater (DC to 1kHz)
Output voltage ±10V
Phase matching between the same type units ±5.5ºtyp. (LP, DC to fc, purchased together)

135dB/oct Filter   P-86 / P-87

P-86 P-87
Features
Sharp rolloff equivalent to 135dB/oct
The combination of P-86 and P-87 configures a bandpass filter

Specifications
Cutting frequency range P-86 : 1Hz to 119kHz, P-87 : 1Hz to 20kHz
Rolloff Equivalent to 135dB/oct (8-pole Elliptic)
Modes P-86 : Lowpass, P-87 : Highpass
Cutting frequency setting 1, 2, 3,…119 (119 points) plus multipliers
Input method CASCADE (The output of left-side unit is connected.), FLOAT, GND (single-ended input)
Input impedance 100k ohm // 40pF
CMRR 60dB or greater (DC to 1kHz)
Output voltage ±10V
Phase matching between the same type units ±5.5ºtyp. (LP, DC to fc, purchased together)


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