25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
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Table 2.1 Electrical Characteristics of Filters
Each filter channel has eight programmable configurations which are stored in the system’s nonvolatile
memory. Any of the eight configurations may be modified and selected from the front panel or from the front panel or
from the remote controller.
Filters may be bypassed by use of a front panel control. This replaces the filter with a unity gain amplifier; all
other input and output setups of the configurations (gains, AC/DC, etc.) remain in the configuration path. Detailed
characteristics of the filters are contained in the Product Data Sheet (Appendix A).
2.4 - Specifications
2.4.1 - Electrical
Line Voltage 100,120,220, 240 VAC
Power consumption 200 watts
Number of Channels 2
Configurations per channel 8
Frequency Range Frequency Increment
0.1 Hz-102.4 Hz 0.1 Hz
103.0 Hz-1,024.0 Hz 1 Hz
1,030.0 Hz-10,240 Hz 10 Hz
10,300.0 Hz-102,400 Hz 100 Hz
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Pre-gain and Post-gain characteristics
Amplifiers are non-inverting
Gains are variable from 1x (0 db) to 13.75x (22.7 db)
Gain increments are in steps of 0.05x
Precision of gain ratios is ±.02x
Type Number Characteristic
Lowpass
LP00 8-pole Butterworth
LP01 8-pole, 6-zero elliptic 1.77
LP02 8-pole,Bessel
LP03 8-pole, 6-zero constant delay
LP05 8-pole, 6-zero elliptic (200 kHz)
LP06 4-pole Bessel
LP07 4-pole Butterworth
LP08 8-pole, Bessel (200 kHz)
LP09 8-pole, Butterworth (200 kHz)
LP10 8-pole, 6-zero constant delay (200 kHz)
Highpass
HP00 8-pole Butterworth
HP01 8-pole, 6-zero elliptic1.77
HP05 8-pole, 6-zero elliptic (200 kHz)
HP07 4-pole Butterworth
HP09 8-pole, Butterworth (200 kHz)
Model 9002
Instrument Description
Section 2
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