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PF-1U-FA Filter/Amplifier Systems
   
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Precision PF-1U-FA
8 or 16-Channel Filter/Amplifier Systems with Programmable IEPE Current Source
The PF-1U-FA Multi-Channel
Programmable Filter/Amplifier System is ideal for conditioning low-level
voltage inputs in front of high-resolution digital data acquisition systems.
Fully programmable 8-channel and 16-channel configurations are available in standard or high-performance models. A choice of 4 and 8-pole filter characteristics is available in low-pass and band-pass configurations. Fully programmable gain is distributed around the filter to reduce the possibility of clipping on out-of-band signals. A programmable current source is provided on each channel to interface the PF-1U to IEPE transducers, when required.
The standard PF-1U-FA configuration offers 4-pole low-pass filters with five programmable cutoffs and gain programmable to x1,024.
The high performance PF-1U-FA offers a choice of 4 or 8-pole low-pass and band-pass filters with cutoffs programmable from 1 Hz to 204.6 kHz. The high performance PF-1U-FA has an upgraded wideband (500 kHz) low-noise amplifier with transducer DC suppress capability. Gain is programmable to x8,192.
The PF-1U-FA also features a test input
for injection of calibration signals into the channel input and a
monitor output that allows for convenient monitoring of any channel
output via a single BNC.
The system includes an Ethernet remote interface and
is supplied with aWindows based Graphical User Interface (GUI) for local control.
PF-1U-FA Benefits
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Choice of 8-channel or
16-channel models
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Compact and lightweight for portability
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Rack mount or bench top
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Low-pass filters operate in either 'flat' or 'pulse' mode
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'Flat' mode provides
maximally flat passband amplitude response with sharp roll-off
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'Pulse' mode provides
low phase distortion and optimized transient response
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4 or 8-pole low-pass and 8-pole band-pass filter options
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Cutoff frequency
settings to 204.6 kHz
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Programmable gain up
to 8,192
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Test input and monitor
output busses provide test support
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Ethernet network
interface
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Stored
up to four setups in non-volatile memory allowing
pre-configured applications
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Filter Characteristics
The PF-1U-FA
System has a variety of high-performance filter characteristics
available for Low-Pass, High-Pass and Band-Pass Precision filtering.
A choice of 4-pole and 8-pole low-pass filters provide versatility to
address application in either the time or frequency domain.
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Operating the PF-1U-FA
For local control the PF-1U-FA system is controlled
via an Ethernet interface using the supplied spreadsheet-style GUI
application running on a Windows based PC. The GUI supports control of all
channel and system features and allows for group control of channels. Up
to eight PF-1U-FA systems can be controlled by one GUI. System settings
are restored on power-up or after a power fault. The settings are
retained when the computer is disconnected even after a power-down and
up. This allows the unit to be pre-configured for an application in
which a computer may not be available for control.
The PF-1U-FA system may be controlled remotely via an
interactive command line interpreter that allows the PF-1U-FA to
function as a server on the network.
Controls, Indicators and Connectors
PF-1UA-16FA Front Panel
PF-1UA-16FA Rear Panel
The complete PF-1U-FA description and specifications
brochure and filter specifications are available for downloading and
printing in the Precision Filters' On-line
Library.
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Product Information
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APPLICATIONS
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Spectral analysis
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Time domain wave analysis
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Transient shock measurements
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Anti-Aliasing Filters with Programmable Amplifiers
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Automatic Test Equipment
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Data Acquisition
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Signal Conditioning
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Production Test Equipment
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Industrial Process Control
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Reconstruction Filters
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Programmable Band-Pass Filters
Reference
The following Specifications
are available in
Precision Filters'
On-line Library
for downloading:
PF-1U-FA
High Performance
8 or 16-Channel Filter/Amplifier
System Specification
LP4F & LP4P 4-Pole, 4-Zero Low-Pass Filter
Specification
LP8F & LP8P 8-Pole, 8-Zero Low-Pass Filter
Specification
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