Model VM32PA

                                                               Programmable Amplifier
32 Channel                                                               VME Board
Description
Frequency Devices' Model VM32PA comprises a
family of VMEbus amplifier boards offering software
programmable differential amplifiers in a single
width B-size (6U) VME form factor. VM32PA boards
provide simultaneous access to 32, DC-coupled
wideband signals while providing programmable
gain from -12dB to +60dB, in 6dB steps for signal
bandwidths from 100 Hz to 100 kHz. VM32PA
boards may be configured with 8, 16 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.
· Three active read/write registers provide
  programming and set-up verification.
· Interchannel cross talk <-100 dB, phase match of
  0.2° and gain accuracy of ±0.1 dB at DC provides
  precision performance solutions to design
  engineers, system integrators and OEM's.
· High channel count density without sacrificing per-
  formance maximizes chassis utilization.

Signal conditioning applications include:
· Sonar, navigation and aerospace                       GAIN AMPLIFIER
· Engine test and simulation                            PGA5-100    -12 dB to +60 dB in 6 dB steps
· Acoustic and vibration analysis
· Satellite and telecommunications
· Laboratory R & D
· Automatic test equipment (ATE)
· Industrial process control


Ordering Information
                     Channels                                                 Options
                      8, 16 or 32                                             A - AC Coupled
                                                                              D - Differential Output
                                    VM32PA-8-PGA5-100-D


25 Locust St, Haverhill, Massachusetts 01830 · Tel: 800/252-7074, 85716 Unterschleissheim
   CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 978/374-0761 · FAX: 978/521-1839
               e-mail: sales@freqdev.com · Web Address: http://www.freqdev.com
       Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
                                                                                                                                 Model VM32PA

           Specifications                                                                                            Programmable Amplifiers
(@ 25°C and rated Power Input)                                                                                                  VME Board
                                              32 CHANNEL VME PROGRAMMABLE AMPLIFIER BOARD
Analog Input
 1. Impedance                                                              1 M//22pF
 2. Maximum Input                                                          ± 15 V
 3. AC Couple (Optional)                                                   Fixed frequency from 1 kHz to 100kHz
Analog Output
 4. Impedance                                                              1.0 typ., 10 max.
 5. Linear Operating Range                                                 ±5V, Output clamped to ±9 V
 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) µV/°C max.
Amplifier Characteristics
10. Signal Bandwidth (-3dB)                                                100kHz gain 6dB, 500kHz gain <6dB
11. Amplitude Match*                                                       ±0.1dB @ DC, linear to ±0.25dB at fc
12. Phase Match*                                                           0.2° typ., 1° max. @ fc
13. Noise Voltage, RTI                                                     20nV/Hz @ 1 kHz, G=1,000
14. Distortion PGA5, G=1X                                                  -83dB, 1 kHz single ended
    @ 1VRMS Output, RL=2k                                                  -86dB, 1 kHz differential
Gain
15. Gain Programming (G)                                                   0.25X to 1024X in factors of 2:1
                                                                           32 channels programmed over VMEbus with read-back
16. Gain Accuracy @ DC                                                     ±0.1dB max.
VMEbus
17. Interface                                                              A16/D16, D08 (EO), Slave
18. Registers                                                              Three active R/W registers in 64 byte blocks
Power Supply
19. From VME Backplane                                                     +5V - 1.0A max.
                                                                           ±12 - 0.7A max.
Environmental
20. Operating                                                              0°C to +70°C
21. Storage                                                                -25°C to +85°C
22. Humidity                                                               0-95% non-condensing
Mechanical
23. Card Size                                                              VMEbus 6U single slot 9.17 x 6.3 inches, (233 x 160 mm)
24. No. of Input Channels                                                  32 Differential
25. No. of Output Channels                                                 32 Single Ended, Two groups of 16
26. Differential Output (Optional)
27. Mating Connectors                                                      Input: Male high density 78-pin D-sub, Quantity 1
                                                                           Output: Female high density 44-pin D-sub, Quantity 2
28. 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-VM32PA-00
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25 Locust St, Haverhill, Massachusetts 01830 · Tel: 800/252-7074, 85716 Unterschleissheim
    CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 978/374-0761 · FAX: 978/521-1839
               e-mail: sales@freqdev.com · Web Address: http://www.freqdev.com
        Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de