Model FMB3002 Filter/Amplifier Chassis - Krohn

Model FMB3002 Filter/Amplifier Chassis - Krohn
Model FMB3002
Filter/Amplifier Chassis
1 or 2 Channels
Choice of AC or, DC Power
Standard Battery Power Operation
Single-Ended or Differential
Input Configuration
• BNC and Terminal Block Connections
• Accepts Krohn-Hite 3FMB Modules
• Mix and Match Modules
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DESCRIPTION
The New Krohn-Hite Model FMB3002AC and FMB3002DC chassis are two channel, compact filter
chassis that provide housing for the Krohn-Hite Fixed Frequency Filter/Amplifier 3FMB Modules. Each
chassis has both input BNC (single-ended) and terminal block (differential) connectors. Both output
connectors are BNC. Internal sockets are provided for each channel making installation and removal of
the 3FMB modules easy when updating or changing to different type filter/amplifier module requirements.
Each chassis provides for battery power. Two high energy 9V batteries are recommended.
FMB3002AC AC POWER CHASSIS
The FMB3002AC, ac powered chassis, provides its own ±15V power supply for powering the 3FMB
filter/amplifier modules. Each channel has associated BNC and terminal block input and output
connectors for signal conenctions. Battery power is standard and requires two 9V batteries to operate in
this mode. An LED indicator is provided for each channel to indicate that the channel is active.
DC POWERED CHASSIS
The FMB3002DC, dc powered chassis, has the standard input and output connectors as the FMB3002AC
and must be powered by an external bipolar power source. A rear panel, 3-terminal block connector is
provided for all power connections. Power source must be ±9Vdc to ±15Vdc. Battery power is also
standard and requires two 9V batteries to operate in this mode. An LED indicator is provided for each
channel to indicate that the channel is active.
UNDER BATTERY POWER
When the FMB3002AC or FMB3002DC is battery operated, two 9V, high energy, lithium batteries are
required. High energy batteries are recommended for extended operation. Battery life using the high
energy batteries is up to 8 hours when 2 3FMB modules are installed. Standard alkaline battery life is
typically 2 hours.
APPLICATIONS
Applications for the FMB3002 includes: anti-alias filtering, data acquisition systems, aerospace (sonar
and navigation), sound and vibration testing, medical electronics, communication systems, real and
compressed time data analysis, noise elimination and signal reconstruction and more.
Krohn-Hite Corporation, 15 Jonathan Drive, Unit 4, Brockton, MA 02301 U.S.A.
Tel: 508-580-1660; Fax: 508-583-8989; email: sales@krohn-hite.com
Page 1 of 2 - FMB3002Data.doc Mar/2011 V1.0
SPECIFICATIONS Specifications apply at ±9Vdc to ±15Vdc.
Number of Channels: 1 or 2.
Power Supply Voltage (±Vs): Operating range: ±9Vdc to ±15Vdc; Maximum safe voltage: ±18Vdc.
Current: Single channel, 35mA, 2 channel, 70mA.
USER DEFINED OPTIONS
Number of Channels: 1 or 2
Type: Butterworth or Bessel
Function: Low-pass, high-pass, band-pass.
Cutoff (corner) Frequency: Value between 0.1Hz to 1MHz, ±2%. Frequency will depend on gain requirements.
Number of Poles (dB/octave): 1 (6dB), 2 (12dB), 3 (18dB), 4 (24dB) . . . 8 (48dB) and 16dB (96dB).
Input Configuration: Differential or single-ended.
Input Gain: Any value between 1 and 100. It is recommended to amplify small input signals in order to improve
overall signal-to-noise ratio.
Output Gain: Any value between 1 and 100.
ACCESSORIES
3FMB Filter/Amplifier Modules
3-Terminal Mating Connector
Line Cord
Specifications subject to change without notice.
Krohn-Hite Corporation, 15 Jonathan Drive, Unit 4, Brockton, MA 02301 U.S.A.
Tel: 508-580-1660; Fax: 508-583-8989; email: sales@krohn-hite.com
Page 2 of 2 - FMB3002Data.doc Mar/2011 V1.0
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