900CT Datasheet, PDF (10/19 Pages) Frequency Devices, Inc. – Tunable Active Filter Instrument

Models 900CT & 900BT
Single Channel – Certified
Ordering Information
A. AVAILABLE MODELS
1. 900CT
2. 900BT
Standard AC powered model ¹
AC powered with battery powered option ¹
FILTER TRANSFER FUNCTIONS AVAILABLE ²
B. LOW-PASS
BUTTERWORTH
1.
900L8B
BESSEL
2
900L8L
ELLIPTIC
3.
900L8E
4.
900L8EY
CONSTANT DELAY
5.
900L8D80
6.
900L8D10
8-pole
8-pole
8-pole, 6 zero elliptic, 1.77, 80 dB
8-pole, 6 zero elliptic, 2.00, 100 dB
8-pole, constant delay 80 dB
8-pole, constant delay 100 dB
C. HIGH PASS
BUTTERWORTH
ELLIPTIC
7.
900H8B
8-pole
8.
900H8E
8-pole, 6 zero elliptic, 1.77, 80 dB
9.
900H8EY
8-pole, 6 zero elliptic, 2.00, 100 dB
ORDERING INFORMATION
Filter Type
L – Low – Pass
H – High – Pass
Model ¹
900CT/900L8L
C – Standard AC Power
B – AC Powered, with Battery Power Option
Transfer Function ²
B – Butterworth
L – Bessel
D80 – Constant Delay (-80dB)
D10 – Constant Delay (-100dB)
E - elliptic 1.77 (-80dB)
EY – elliptic 2.00 (-100dB)
Poles
NOTE:
1.
2.
8
See page 5, item “Q” Voltage selector Module. At time of shipment, Voltage is pre-selected in the 115 V_AC position. For 230 V_AC
operation, this module must be rotated 180 degrees and an additional fuse must be added.
All filters tunable from 0.1 Hz to 49.9 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.
IN-00900CT/BT-00
10
1784 Chessie Lane, Ottawa, IL 61350 • Tel: [phone] • FAX: [phone]
e-mail: [e-mail] • Web Address: http://www.freqdev.com