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Model 7000
Preamplifier
The
Model 7000 Low Noise Differential Preamplifier provides a high gain
amplification to 1MHz with an AC output derived from a very low noise FET
instrumentation amplifier and an optional DC (RMS-to-DC converted) output.
The Model 7000 has fixed gain settings of x1 (0dB), x10 (20dB), x100
(40dB) and x1000 (60dB) over a selectable bandwidths of 100Hz, 1kHz (HP),
3kHz, 30kHz, 100kHz and 1MHz (LP Off). Noise referred to input is 7nV√Hz
and common mode rejection is >100dB at 1kHz. The
Model 7000 provides
momentary pushbutton switches that control coupling, bandwidth, gain and
channel on/off selections. BNC connectors are provided for single-ended
and differential input, ac output, and dc output (optional) connections.
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Model 7000
Low Noise Differential Preamplifier
Model 7000
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FLX-3007 Signal Conditioner
with FLX-ICP4 Filter/Amplifier
Card
FLX-3007
Chassis Data Sheet
FLX-ICP4 Filter/Amplifier Card Data Sheet
FEATURES
FLX-3007 Chassis: 7-Slots
FLX-ICP4 Plug-In Card: 4 Channel Card
Customer Defined Filter/Amplifier Characteristics
Excitation Current: 4mA/8mA
Cutoff Frequencies: 1Hz to 200kHz
Output Voltage: ±10V Peak
CMRR: >80dB
Noise (30kHz BW): <10µV
Signal-To-Noise Ratio: >100dB
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FLX-3007 CHASSIS
The NEW
Krohn-Hite Model
FLX-3007
Flexible Instrumentation Chassis provides a rugged, low cost,
flexible platform for up to 7 high performance
instruments sharing the same compact chassis. With the
FLX-3007 Chassis, you get
the functionality and features needed from a broad and growing selection of
plug-in cards, avoiding the costs associated with larger systems that are
not needed.
The
FLX-3007 platform can
be assembled with up to 7 plug-in cards that you specify. It can be
configured into a single channel signal conditioner or it can be expanded
into a channel management system when needed; and since all FLX plug-in
cards are all compatible, adding new cards is easy and economical.
Side-by-side rack mounting is available when high channel count is needed in
a 5.25” high 19" wide spacing.
FLX-ICP4 FILTER/AMPLIFIER CARD
The Model
FLX-ICP4 is a four-channel
filter/amplifier flexible signal conditioning card used in ICP®
sensor and other sensor/transducer applications requiring a constant
excitation current. A user selectable 4mA or 8mA constant current is
provided for excitation power to the input of the ICP® sensor,
while the return AC signal is conditioned through a differential fixed
filter/amplifier.
The
FLX-ICP4 can be populated with up to
4 independent channels, including a fixed low-pass Butterworth or Bessel
filtering from 1Hz to 200kHz and a fixed low noise gain up to 10,000. Filter
and amplifier characteristics are made to customer defined requirements
which may be changed at a later time by replacing the filter/amplifier
plug-in module for any or all channels.
The
FLX-ICP4 provides differential input
configuration for improved noise rejection with a typical
common-mode-rejection of >80dB and a signal-to-noise ratio of >100dB.
Single-ended operation can be configured for simple input applications.
Typical noise is <10µV referred to the input.
The
FLX-ICP4 is one of many plug-in cards
available for the FLX-3007, 7-slot Chassis System.
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The NEW Model
39000 is a 30 Channel Hydrophone
Signal Conditioning Filter/Amplifier System is ideal for conditioning
low-level voltage signal inputs in front of high-resolution data
acquisition systems.
•
Mix up to 210 Channels of Hydrophone Signals
•
Remote LAN/RS232/Manual System Control
• Customer Defined Responses:
Butterworth and Bessel, 24dB and 48dB; Elliptic, 130dB.
•
Customer Defined Fixed Frequency: 1Hz to 100kHz
•
Customer Defined Function: Low-Pass and Band-Pass
•
0dB to 40dB Input Gain
•
-20dB to 0dB Output Gain
•
Optional 16 Channel Cross-Point Switch
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30 Channel
Hydrophone
Signal Conditioning Filter/Amplifier
Model
39000 |
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2 Channel Signal Conditioning
Plug-In Card for the Model 39000
Model SC390-EL8
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The Krohn-Hite
Model SC390-EL8
is an 8-pole, Elliptical, Plug-In Filter/Amplifier Card that provides 2
channels of signal conditioning for the Model 39000 Hydrophone Signal
Conditioning System. Each channel includes a recessed switch selectable
-20dB to 40dB gain control in 10 discrete steps with overload detection and
indication.
Three selectable
independent inputs are available for each channel of hydrophone, auxiliary
and test. There is only one output for the input selected per channel.
Filter cutoff frequency for each channel is customer defined between 1kHz
and 50kHz. |
The Krohn-Hite
Model PC300 Module Carrier Card is a filter mounting assembly that
eliminates the need of breadboard or hand wiring filter modules into
individual test set-ups. The
PC300 is a
factory assembled printed circuit card with socket pins for filter module
insertion, various electronic components, standoffs for mounting, BNC input
and output connections and connections for attaching the required bipolar
power supplies of +15V and -15V. The PC300 will operate any of the low-pass,
high-pass or band-pass Krohn-Hite 3A, 3B, 3C and 3D series filter modules. |
Filter/Amplifier Module Carrier Test Card
Model PC300
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1 and 2 Channel Fixed
Frequency
Continuous Time Filter/Amplifer
Model FMB3002
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The NEW Model FMB3002AC and FMB3002DC two channel, compact
filter chassis provide housing for the Krohn-Hite 3F Series Fixed
Frequency Filter/Amplifier Modules. Each channel has an input BNC
connector for single-ended operation, a terminal block connector for
differential operation, and an output BNC connector. Internal sockets are
provided making installation and removal of other 3F Series modules easy
when desired. Each chassis provides for battery power. Two high energy 9V
batteries are recommended.
• Frequency Range: 0.1Hz to
200kHz
• Functions: Low-Pass, High-Pass, Band-Pass
• Responses: Butterworth and Bessel
• Pre-Filter (Input) Gain: 0dB to 50dB in 10dB Steps
• Post-Filter (Output) Gain: 0dB to 20dB in 0.1dB Steps
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The NEW FLX-3007 Flexible Instrumentation Chassis
provides a rugged, low cost, flexible platform for up to 7 high
performance instruments sharing the same compact chassis. With the
FLX-3007 Chassis, you get the functionality and features needed
from a
broad and growing selection of plug-in cards, avoiding the costs
associated
with larger systems that are not needed.
• Holds up to 7 FLX Family of Cards
•
Versatile Channel Management
• Various
Signal Conditioning Cards Available
•
Flexible, Rugged and Low Cost Design
• Power
Supply and Backplane Provided
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Flexible Instrumentation
Chassis
FLX-3007 Chassis
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2 Channel Differential
Filter/Amplifier Card
Model FLX-302
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The NEW Model FLX-302 Analog
Filter/Amplifier Card is ideal for signal conditioning applications where
Bessel or Butterworth filters are required. Differential input amplifier and
output amplifier
in each channel allow for resistor programmable gain from 1
to 100, for a total gain of 10,000 if needed.
•
2 Channels per Card
• Differential Input for
Improved Noise Rejection
• Common Mode Rejection: >80dB
• Fixed Cutoff Frequency: Customer defined
1Hz to 1MHz, Low-Pass 1Hz
to 600kHz, High-Pass
• Gain: Customer defined 1 to 10,000
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Plugs Into
FLX-3007 Chassis
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The NEW
Model FLX-303 Analog
Filter/Amplifier Card is ideal for signal conditioning applications where
Bessel or Butterworth filters are required. Differential input amplifier and
output amplifier in each channel allow for resistor programmable gain from 1
to 100, for a total gain of 10,000 if needed.
•
3 Channels per Card
• Differential Input for
Improved Noise Rejection
• Common Mode Rejection: >80dB
• Fixed Cutoff Frequency: Customer defined
1Hz to 1MHz, Low-Pass 1Hz
to 600kHz,
High-Pass
• Gain: Customer defined 1 to 10,000
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Plugs Into
FLX-3007 Chassis
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3 Channel Filter/Amplifier Card
Model FLX-303
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6 Channel Filter/Amplifier Card
Model FLX-306
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The NEW
Model FLX-306 Analog
Filter/Amplifier Card is ideal for signal conditioning applications where
Bessel or Butterworth filters are required. Differential input amplifier and
output amplifier in each channel allow for resistor programmable gain from 1
to 100, for a total gain of 10,000 if needed.
•
6 Channels per Card
• Differential Input for
Improved Noise Rejection
• Common Mode Rejection: >80dB
• Fixed Cutoff Frequency: Customer defined
1Hz to 1MHz, Low-Pass 1Hz
to 600kHz, High-Pass
• Gain: Customer defined 1 to 10,000
•
Plugs Into
FLX-3007 Chassis
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