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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IC-HT датащи(PDF) 19 Page - IC-Haus GmbH |
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IC-HT датащи(HTML) 19 Page - IC-Haus GmbH |
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19 / 42 page  prel imin ary prel imin ary iC-HT DUAL CW LASER DIODE DRIVER Rev A1, Page 19/42 5 6 1 4 STATUS0 (Addr. 0x00) 0 PDOVDD MEMERR (Addr. 0x10 ) Pin OVC2 CFGTIMO (Addr. 0x15 ) Pin 3 INITRAM OVT OVC1 2 7 1 1 & 1 ENCH2 DISC2 INSOPEN EMCOPEN EC2 ENCH1 DISC1 EC1 & 1 & 1 1 1 & 1 Figure 7: Laser control logic in MCU mode COMBINING BOTH CHANNELS iC-HT can drive one laser diode up to 1500 mA with both channels combined. Therefore register bit MERGE must be set to 1. Dis- able channel register bits DISC1 and DISC2 must both be set to 0 and both enable channel pins EC1 and EC2 must be set hi. MERGE Addr. 0x1B; bit 6 R/W 0 0 Channel 1 and 2 operate independently 1 Power transistor from channel 2 in parallel with channel 1, controlled by channel 1 Table 42: Channel merging When both channels are combined the control is done by channel 1. APC and ACC can both be used with both channels combined. In ACC mode, the reference needs be set to 50% of the desired current value. This is not required for APC. |
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