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17.43 setup signals from detector movement controller. See attachment 1 NIM TTL TTL +12V Signal from CRYRING ------> CAEN N89 ------> LF4000 -------> CAEN N89 -------> LeCroy 222 -------> PCB amp -------> start move in ( active high ) TTL NIM FIFO -------> CAEN N89 -------> LeCroy 222 -------> PCB amp -------> start move out not(NIM) TTL TTL ^ +12V | | CAEN N89 mode switch to OUT PSU +12V Widths of signals from LeCroy 222 move in = 75ms move out = 25ms Note - the outputs of EG&G/ESN LF4000 FIFO could be connected directly to the LeCroy 222 as the inputs accept NIM and TTL
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