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Model VM32PAFF
Programmable Amplifiers
with Fixed Frequency Filters
32 Channel VME Board
Description
Frequency Devices' Model VM32PAFF comprises a
family of VMEbus amplifier/filter boards offering software
programmable differential amplifiers combined with
precision 3-pole Butterworth or Bessel linear analog
filters in a single width B-size (6U) VME form factor.
VM32PAFF boards provide simultaneous access to 32,
DC-coupled wideband signals while providing
programmable gain from -12dB to +60dB, in 6dB steps.
Fixed frequency filters are available with corner
frequencies from 100 Hz to 100 kHz. VM32PAFF boards
may be configured with 8, 16, 24 or 32 channels. The
boards conform to VME revision C.1 as an A16/D16
Slave. Available options include AC coupled input and/or
differential output.
Features/Benefits:
· Simultaneous access over 32 channels offers a low
cost, versatile and convenient way to provide
amplification and filtering.
· Interchannel crosstalk <-90 dB provides precision per-
formance solutions to design engineers, system inte-
grators and OEM's.
· 3-pole Butterworth or Bessel transfer functions with a
broad range of corner frequencies are offered to meet
a wide range of applications.
· High channel count density without sacrificing perfor-
mance maximizes chassis utilization.
Signal conditioning applications include:
· Sonar, navigation and aerospace
· Engine test and simulation
· Acoustic and vibration analysis
· Satellite and telecommunications
· Laboratory R & D AMPLIFIER/FILTER OPTIONS
· Automatic test equipment (ATE) PGAB5 -12 dB to +60 dB in 6 dB steps
· Industrial process control Butterworth 3-pole 100 Hz to 100 kHz
PGAL5 -12 dB to +60 dB in 6 dB steps
Bessel 3-pole 100 Hz to 100 kHz
Ordering Information
Transfer Function Options
B - Butterworth A - AC Coupled Input
L - Bessel D - Differential Output
VM32PAFF-16-PGAB5-75 kHz-D
8, 16 or 32 Channels
-3dB Corner Frequency
e.g. 100Hz, 75 kHz, 100 kHz
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
Model VM32PAFF
Programmable Amplifiers
Specifications with Fixed Frequency Filters
(@ 25°C and rated Power Input) VME Board
32 CHANNEL VME SIGNAL CONDITIONING BOARD
Analog Input
1. Impedance 1 MW//22pF
2. Maximum Input ±15V
3. AC Couple (Optional) Fixed frequency @ 10 Hz
Analog Output
4. Impedance 1.0W typ., 10W max.
5. Linear Operating Range ±5V, Output clamped to ±9V
6. Channel to Channel Crosstalk <-100dB @ 1 kHz, <-90dB @ 20 kHz
7. Maximum Current 5.0mA
8. Offset Voltage 2mV RTI, NTE 40mV max.
9. Offset Temp. Coeff., RTI ±(5 +100/G) mV/°C max.
Filter Characteristics
10. Anti-alias filtering 3-pole low-pass Butterworth or Bessel fixed frequency
11. Cut-off Frequency fc (-3dB) Fixed frequency from 100Hz to 100 kHz
12. Amplitude Match* ±0.1dB @ DC, linear to ±0.25dB at fc
13. Phase Match* 0.2° typ., 1° max. @ fc
14. Noise Voltage, RTI 20nV/Hz @ 1 kHz, G=1,000
15. Distortion -83dB, 1 kHz single ended
@ 1VRMS Output, RL=2kW -86dB, 1 kHz differential
Gain
16. Gain Programming (G) 0.25X to 1024X in factors of 2:1 (before filtering)
32 channels programmed over VMEbus with read-back
17. Gain Accuracy @ DC ±0.1dB max.
VMEbus
18. Interface A16/D16, D08 (EO), Slave
19. Registers Three active R/W registers in 64 byte blocks
Power Supply
20. From VME Backplane +5V - 1.0A max.
±12 - 0.7A max.
Environmental
21.Operating 0°C to +70°C
22. Storage -25°C to +85°C
23. Humidity 0-95% non-condensing
Mechanical
24. Card Size VMEbus 6U single slot 9.17 x 6.3 inches, (233 x 160 mm)
25. No. of Input Channels 32 Differential - DC coupled
26. No. of Output Channels 32 Single Ended - DC coupled, Two groups of 16
27. Differential Output (Optional)
28. Mating Connectors Input: Male high density 78-pin D-sub
Output: Female high density 44-pin D-sub
29. Weight 1 LB., (454 grams)
* Any two channels set to same gain and loading
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-VM32PAFF-00
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CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de