A Second Target Spin State Electronics is proposed to online cross check the major spin signal and ensure spin flags in each event. The electronics has been assembled and tested. The signal, which will be read in though an ADC, has been send directly to Left Arm DAQ through counting house-LHRS patch panel.
So Current Target Spin Signal Scheme are
NMR RF Generator--->Target--->Pickup Coil--->Lock-In Amplifier
| |
| /------------------------------------|
|------|-------------------------------\ |
| | | |
Main Target Electronics 2nd Target Electronics
| | |
| |-------------\ |
| | |
RHRS Happex DAQ BigBite ADC-------->LHRS ADC
|
Scalar Gates Generation
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BigBite Scalars------->LHRS Scalars