# This is a Key In Net List file for the # H-CLK card's Receiver GPS 10 MHz and GPS 1 PPS # -----------------=================================== # # Original Rev. 14-JULY-2011 # Most Recent Rev. 9-NOV-2011 # This file includes all the nets for the # Receivers for the GPS 10 MHz and 1 PPS ######################################################## # # # Receiver for the GPS 10 MHz # # # ######################################################## NET 'MHZ_10_IN' R201-1 C201-1 # 10 MHz sine wave from the GPS NET 'GROUND' R201-2 # Ground the Term Resistor NET 'MHZ_10_IN' D201-1 # TVS Protection on 10 MHz from GPS NET 'GROUND' D201-2 # Ground TVS Protection Diode NET 'MHZ_10_RC' C201-2 R202-1 # Series Cap to Resistor connection NET 'MHZ_10_POS_IN' R202-2 R203-1 # Input to + term of receiver NET 'MHZ_10_POS_IN' C202-1 U201-6 # NET 'MHZ_10_NEG_IN' R203-2 # Input to - term of receiver NET 'MHZ_10_NEG_IN' C202-2 U201-5 # This is the +1.2V Reference. NET 'MHZ_10_NEG_IN' R204-1 R205-1 # NET 'MHZ_10_NEG_IN' C203-1 C204-1 # NET 'MHZ_10_NEG_IN' C205-1 C206-1 # NET 'MHZ_10_NEG_IN' C211-1 C212-1 # NET 'GROUND' R204-2 # Ground the ByPass Caps for NET 'GROUND' C203-2 C204-2 # the +1.2V Ref Supply and NET 'GROUND' C205-2 C206-2 # Ground the voltage divider. NET 'GROUND' C211-2 C212-2 # Ground the voltage divider. NET 'VCC_PLL' R205-2 # Quiet Vcc for the +1.2V resistor divider NET 'RECVD_10_MHZ' U201-3 U202-2 # Receiver Out to Driver In NET 'DRVN_10_MHZ_DIR' U202-8 # Received 10 MHz Driver Direct Out NET 'DRVN_10_MHZ_CMP' U202-7 # Received 10 MHz Driver Comp Out ######################################################## # # # Receiver for the GPS 1 PPS # # # ######################################################## NET 'PPS_1_POS_IN' R206-1 R207-1 # 1 PPS + from the GPS Receiver NET 'PPS_1_POS_IN' D203-1 # TVS Protection on +1 PPS from GPS NET 'GROUND' D203-2 # Ground TVS Protection Diode NET 'PPS_1_NEG_IN' R206-2 R208-1 # 1 PPS - from the GPS Receiver NET 'PPS_1_NEG_IN' D202-2 # TVS Protection on -1 PPS from GPS NET 'GROUND' D202-1 # Ground TVS Protection Diode NET 'PPS_1_POS_ATTN' R207-2 R209-1 # Input to + term of receiver NET 'PPS_1_POS_ATTN' U201-8 R211-2 # and the R211 attenuator NET 'PPS_1_NEG_ATTN' R208-2 R210-1 # Input to - term of receiver NET 'PPS_1_NEG_ATTN' U201-7 R211-1 # and the R211 attenuator NET 'GROUND' R209-2 R210-2 # Ground the voltage dividers NET 'RECVD_1_PPS' U201-2 U202-3 # Receiver Out to Driver In NET 'DRVN_1_PPS_DIR' U202-6 # Received 10 MHz Driver Direct Out NET 'DRVN_1_PPS_CMP' U202-5 # Received 10 MHz Driver Comp Out ######################################################## # # # Power and Gnd and Vdd ByPass for U201 and U202 # # # ######################################################## NET 'VDD_LOGIC' U201-1 U202-1 # Vdd for receiver and driver NET 'GROUND' U201-4 U202-4 # Gnd for receiver and driver NET 'VDD_LOGIC' C207-1 C208-1 # ByPass Caps for U201 NET 'GROUND' C207-2 C208-2 # NET 'VDD_LOGIC' C209-1 C210-1 # ByPass Caps for U202 NET 'GROUND' C209-2 C210-2 #