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Applications
Imaging-High
Power
Imaging
NMR
Pulsed Applications
Additional
Information
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GRADIENT
AMPLIFIERS - BFA AND BFH SERIES
The
BFA gradient amplifiers provide a maximum current of +/-10A per channel
at +/-24V and are available in 1to 4 channel versions.
For
applications that require higher current outputs per channel, please
click here
to see specifications of the BFH series.
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BFA
SERIES OF GRADIENT AMPLIFIERS |
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Maximum
current per channel |
+/- 10 A |
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Duty
cycle at 10 A (averaged over 2 seconds) |
40% |
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100% Duty
cycle |
4 A |
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Rise time
(10% to 90%) |
25 μs |
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Setting
time to 25 ppm F.S. |
300 μs |
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Voltage |
+/- 24 V |
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Full
power bandwidth |
D.C., 100
kHz (load dependent) |
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Load
resistance |
100 mΩ to 1,000 mΩ |
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Load
inductance |
0 to 3 mH |
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Communication
interface |
Analog or
digital |
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Auxiliary
analog inputs (bipolar, differential) |
+/- 5V |
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Monitor
outputs |
500 mV/A |
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Operating
temperature |
15 to 35
degrees Celsius |
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Thermal
stability |
+/- 1 ppm
FSR per degree, after 1 hr warm-up |
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Noise |
0.1 Hz to 10
Hz below 4 ppm (p-p) |
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Temporal
stability |
+/- 0.5 ppm
per day (at constant temperature) |
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Hum |
50/60 Hz
less than 3 ppm (rms) |
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AC power |
100V, 115V,
208V, 230V single phase |
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Shipping
weight |
50
lb, 20 kg for 1 channel
70
lb, 30 kg for 3 channels |
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Enclosure |
Rack
mountable
3U
x 19" for one channel
6U
x 19” for 3 channels |
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