CABLES
Only good quality 50 ohm coaxial cables with polyethylene (PE) core
should be used when connecting a detector to the GS-USB-PRO. The
more common type is an RG58U/C with soldered and crimped
connectors. Low quality cable or badly fitted ends may cause high
voltage arcs, usually identified as false counts. See our range of
custom made cables.
COINCIDENCE COUNTING
Coincidence counting experiments can be carried out with PRA
software using two detectors and two GS-USB-PRO spectrometers.
This is achieved using the left and right audio channels of the stereo
codec.
To record both left & right channel detectors the left channel detector is
connected to your PC in the normal way described above, and the right
channel spectrometer audio output (jack) connects to the left channel
spectrometer audio input (jack) with a stereo crossover cable.
Although both spectrometers require USB power, only one USB
CODEC is used for both the left and right recording.
Audio crossover cables should be kept as short as possible for best
results. This cable can be ordered from our web site. !
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