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Pin Main Alt. Type Description
15 SA Analog Input DC coupled sub-beam RF signal input A
16 SB Analog Input DC coupled sub-beam RF signal input B
17 SC TNI Analog Input
1) DC coupled sub-beam RF signal input C
2) 3 beam satellite PD signal negative input
18 SD TPI Analog Input
1) DC coupled sub-beam RF signal input
2) 3 beam satellite PD signal positive input D
ALPC ( 4 )
19 MDI1 Analog Input Laser power monitor input
20 MDI2 Analog Input Laser power monitor input
21 LDO2 Analog Output Laser driver output
22 LDO1 Analog Output Laser driver output
ALPC ( 4 )
19 MDI1 Analog Input Laser power monitor input
20 MDI2 Analog Input Laser power monitor input
21 LDO2 Analog Output Laser driver output
22 LDO1 Analog Output Laser driver output
ADC Power ( 2 )
248 ADCVDD3 Power Analog 3.3V Power for ADC
249 ADCVSS Ground Analog ground for ADC
Reference Voltage ( 3 )
27 V2REFO Analog output Reference voltage 2.8V
28 V20 Analog output Reference voltage 2.0V
29 VREFO Analog output Reference voltage 1.4V
SACD ADC Power ( 2 )
234 SADCVDD18 Analog output SACD ADC Power 1.8V
235 SADCVSS18 Analog output SACD ADC Ground
Analog Monitor Output ( 7 )
23 SVDD3 Power Analog power 3.3V
24 CSO RFOP Analog output
1) Central servo
2) Positive main beam summing output
25 RFLVL RFON Analog output
1) RFRP low pass, or
2) Negative main beam summing output
26 SGND Ground Analog ground
30 FEO Analog output Focus error monitor output
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