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 M

W//22pF

2. Maximum Input

±15V

3. AC Couple (Optional)

Fixed frequency @ 10 Hz

Analog Output

4. Impedance

1.0

W typ., 10W max.

5. Linear Operating Range

VM32PAFF

±5V linear operating range, 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)

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

W, BW = 100 kHz -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:Positronic ODD78M, Quantity 1

Output:Positronic ODD44F, Quantity 2

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

2

1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434/7800 • FAX: 815/434-8176

e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com