Model VM2.0PAFF
WIdeband Programmable
Gain Amplifier with
Specifications
Fixed Frequency Filter
(@ 25°C and rated power Input)
32 CHANNEL VME SIGNAL CONDITIONING BOARD
Analog Input
1. Impedance
1 MW//22 pF
2. Maximum Input
3. Linear Input Range
4. AC Couple (Optional Fixed Freq.)
5. CMRR
20V pk-pk each leg
±8V pk
20 Hz to 1.0 kHz
≥ 50 dB, DC to 100 kHz
≥ 40 dB, DC to 2 MHz
Analog Output
6. Impendance
1.0W typ., 10W max.
25 mV typ., 50 mV max.
±4V into 500W
7. Offset Voltage
8. Linear Operating Range
9. Offset Temp. Coeff.
±(5 + 100/G) µV/°C max.
Filter Characteristics
10. Anti-Alias Filtering
Fixed frequency 4-pole low-pass Butterworth or Bessel
>100 kHz to 2.0 MHz
11. Cut-off Frequency fc (-3dB)
12. Amplitude Match*
±0.2 dB @ DC
13. Phase Match*
2.0° max. @ fc
14. Noise Voltage Density, RTI
15. Distortion (2 V pk-pk)
25nV/√ Hz@ 1 kHz
≤ -60 dB to 100 kHz
≤ -50 dB, 100 kHz to 2.0 MHz
Gain
16. Gain Programming (G)
0.25X to 64X in factors of 2:1 (before filtering)
32 channels programmed over VMEbus with read-back
±0.1 dB max.
17. Gain Accuracy @ DC
VMEbus
18. Interface
19. Registers
A16/D16, D08 (EO), Slave
Three active R/W registers in 64 byte blocks
Power Supply
20. From VME Backplane
+5V – 1.0A max.
±12 – 0.7A max. each
Environmental
21. Operating Temp.
22. Storage Temp.
23. Humidity
0°C to +70°C
-25°C to +85°C
0-95% non-condensing
Mechanical
24. Card Size
VMEbus 6U single slot 9.17 x 6.3 inches, (233 x 160 mm)
32 – DC coupled
25. No. of Input Channels
26. No. of Output Channels
27. Mating Connectors
32 Single ended – DC coupled, Two groups of 16
Input: Male high density 78-pin D sub, Quantity 1
Output: Female high density 44-pin D sub, Quantity 2
1 LB., (454 grams)
28. Weight
*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-VM2.0PAFF-00
2
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