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Model VM8PF
Programmable
8-Channel VME Filter Board
Description
Frequency Devices' Model VM8PF comprises a
family of VMEbus filter boards offering eight
channels of software programmable, precision linear
analog filtering in a single width B-size (6U) VME form
factor. VM8PF boards receive up to eight high level
differential signal inputs through a shielded front panel
connector and provide signal buffering and software
programmable filtering with unity gain for each chan-
nel. A second connector is wired in parallel with the
input connector to facilitate filter bypass. VM8PF
boards may be configured with 4- or 8-pole filters in
any one of five standard factory set tuning ranges from
1.0 Hz to 102.4 kHz, and with high- or low-pass
transfer functions allowing user to externally cascade
filters into band-pass configurations. The boards
conform to VME revision C.1 as an A16/D16 Slave.
Features/Benefits:
· Simultaneous sampling over 8 channels provides
a low cost, versatile and convenient way to control
filtering and gain scaling.
· Solves precision performance problems of design
engineers, system integrators and OEM's.
· Broad range of transfer characteristics and corner
frequencies are offered to meet a wide range of
applications.
· Low harmonic distortion and wide signal-to-noise
ratio to 16-bit resolution.
Signal conditioning applications include:
· Engine test and simulation LOW-PASS FILTER OPTIONS
4-pole D824
· Automotive test cells 8-pole D828
· Aerospace, navigation & sonar
HIGH-PASS FILTER OPTIONS
· Laboratory R & D 4-pole D824
· Acoustic and vibration analysis 8-pole D828
· Satellite & Telecommunications BAND-PASS FILTER OPTIONS
· Automatic test equipment (ATE) 2-pole pair 824BP
· Industrial process control 4-pole pair 828BP
BAND-REJECT (NOTCH) FILTER OPTIONS
4-pole pair 828BR
Ordering Information
Channels Filter Type and Corner Frequency
4 or 8 D824 or D828
VM8PF-8-D828H8E-2
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
Model VM8PF
Specifications Programmable
(@ 25°C and rated Power Input) VME Filter Board
8 CHANNEL PROGRAMMABLE FILTER BOARD
Analog Input
1. Impedance 1 MW
2. Input Range +/-10V pk. linear
3. Maximum Input +/-15V
4. Common Mode Rejection 70 dB typ., 60dB min. DC to 1 kHz
Analog Output
5. Impedance 1 W typ., 10 W max.
6. Linear Operating Range +/-10V pk.
7. Channel to Channel Crosstalk -95 dB typ. DC to 100 kHz
8. Maximum Current +/-2mA
9. Offset Voltage +/-2mV typ. trimmable to zero
10. Short Circuit Protection Short to Ground
Filter Characteristics
11. See 824 and 828 Series specifications
12. External 8-bit CMOS latches hold frequency data
Gain
13. Low-pass X1, +/-1%
High-pass X1, +/-2%
VMEbus
14. Interface A16/D16, D08(EO) Slave only, VME Spec. Rev. C.1
Power Supply
15. From VME Backplane +5V, 3.5A max.
Environmental
16. Operating 0°C to +70°C
17. Storage -25°C to +85°C
18. Humidity 0-95% non-condensing
Mechanical
19. Card Size VMEbus 6U single slot 9.17 x 6.3 inches, (233 x 160 mm)
20. No. of Input Channels 8 Differential - DC coupled
21. No. of Output Channels 8 Single Ended - DC coupled
22. Mating Connectors 25-pin "D", Quantity 3
23. Weight 3 lbs., (1.36 kg.)
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. PR-VM8PF-01
2
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de