|Description||4- and 8- Pole Low-pass Filters|
|Company||Frequency Devices, Inc.|
|Datasheet||Download D100L4L datasheet
Description: D100L Series filters are low noise and distortion 4- and 8-pole, Butterworth or Bessel fixed frequency low-pass filters. These filters feature near theoretical low noise and distortion performance, by providing -120 dB noise floors (20-Bit). D100L's take advantage of FDI's design expertise utilizing high performance amplifiers and surface-mount technology to provide design engineers with precision signal conditioning solutions in a compact package. These fully self-contained units require no external components or adjustments. Each D100L comes factory tuned to a user specified corner frequency between to 100 kHz and operate with low harmonic distortion over an input voltage range ±10 V. Available Low-Pass Models: D100L4L 4-Pole Bessel D100L4B 4-Pole Butterworth D100L8L 8-Pole Bessel D100L8B 8-Pole Butterworth General Specifications Pin-out/package data & order information Page
Features/Benefits: Small 32-pin DIP x 0.8"W) footprint minimizes board space requirements. Plug-in ready-to-use, reducing engineering design and manufacturing cycle time. Factory tuned, no external clocks or adjustments needed Broad range of corner frequencies to meet a wide range of applications. Applications Transducer output filtering: Production test instrumentation Medical electronics equipment and research Noise and harmonic analysis Frequency spectrum analysis
1784 Chessie Lane, Ottawa, IL 61350 Tel: 800/252-7074, 815/434-7800 FAX: 815/434-8176 e-mail: email@example.com Web Address: http://www.freqdev.com
D100L4B Product Specifications 4-Pole Butterworth Transfer Function Size Range fc Theoretical Transfer Characteristics Passband Ripple (theoretical) DC Voltage Gain
D100L4L 4-Pole Bessel to 100 kHz Appendix A Page 0.2 dB typ. 0.4 dB max. 24 dB/octave ± 1% max. D100L8B 8-Pole Butterworth to 100 kHz Appendix A Page 0.2 dB typ. 0.4 dB max. 48 dB/octave ± 1% max. D100L8L 8-Pole Bessel to 100 kHz Appendix A Page 0.2 dB typ. 0.4 dB max. 48 dB/octave ± 1% max. 6.07 fcStopband Attenuation Rate Cutoff Frequency Stability Amplitude Phase Filter Attenuation
(THD) Total Harmonic Distortion @ 10 Vp-p FC 1.0 kHz FC 20 kHz FC 100 kHz Narrow Band Noise
<-120 dB max. <-120 dB max. <-110 dB max. (µV rms) 7.0 typ., 12 max. 7.0 typ., 12 max. 22 typ., 40 max. FMA-01S
<-120 dB max. <-120 dB max. <-105 dB max. (µV rms) 12 typ., 22 max. 12 typ., 22 max. 40 typ., 70 max. FMA-01S
Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot. Use I/O jumpers to bypass input and output buffers, for low noise operation. With FMA, D100 distortion specs to 100kHz may degrade slightly.
Analog Input Characteristics1 Impedance Voltage Range Max. Safe Voltage Analog Output Characteristics Load impedance Linear Operating Range for THD Operating Range for low Noise Current2 @ (Vs @ ±15V) Offset Voltage3 Offset Temp. Coefficient Power Supply (±VS) Rated Voltage Operating Range Quiescent Current D100L4 D100L8 Temperature Range Operating Storage
Notes: 1. Input and output signal voltage referenced to supply common. 2. Output is short circuit protected to common. DO NOT CONNECT TO ±Vs. 3. Adjustable to zero. 4. Units operate with or without offset pin connected. 5. How to specify Corner Frequency. Corner frequency is specified by attaching a three-digit frequency designator to the basic model number. Corner frequencies can range from to 100 kHz.
We hope the information given here will be helpful. The information is based on data and our best knowledge, and we consider the information to be true and accurate. Please read all statements, recommendations or suggestions herein in conjunction with our conditions of sale, which apply, to all goods supplied by us. We assume no responsibility for the use of these statements, recommendations or suggestions, nor do we intend them as a recommendation for any use, which would infringe any patent or copyright. PR-D100L
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