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MCA166-USB
12. Bad resolution in a HPGe spectrum or from a test generator, specially at high
amplification factors
● Check electrical noise and EMC compatibility of surroundings. Some laptops
and also some switch mode power supply battery chargers may disturb.
Remove all connections from the MCA to ground or to mains voltages. Try a
different computer / laptop / palmtop.
● Winding the cable to the detector / computer several times around a ferrite ring
also may help
13. While opening a spectrum, the MCA program tells "Wrong data format" or "data
format error"
● spectrum was created by another program or another program version. Check
results, just ignore.
14. too high count rate
● Keep a bigger distance to radiation source. Try a less sensitive detector. Watch
for your personal safety!
● Check detector
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