Specifications

(@ 25°C and rated Power Input)

Model VM32PA

Programmable Amplifiers

VME Board

25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839

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

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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

Analog Input

1. Impedance

1 M

Ω//22pF

2. Maximum Input

± 15 V

3. AC Couple (Optional

Fixed Freq.)

10 Hz to 1.0 kHz

Analog Output

4. Impedance

1.0

Ω typ., 10Ω 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

Ω

-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

32 CHANNEL VME PROGRAMMABLE AMPLIFIER BOARD