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comparison venus/src/MCL @ 61:fdc67fac0507

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transistor for driving the buzzer
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 01 Dec 2021 18:39:48 +0000
parents c661a87159c2
children a1b55af7f04d
comparison
equal deleted inserted replaced
60:c661a87159c2 61:fdc67fac0507
907 # Dual NPN transistor for LPG and PWL LEDs 907 # Dual NPN transistor for LPG and PWL LEDs
908 Q402: 908 Q402:
909 part=UMH9 909 part=UMH9
910 slotmap=slotmap/Q402 910 slotmap=slotmap/Q402
911 911
912 # Mighty NPN transistor for driving the magnetic buzzer
913 Q405:
914 manufacturer=Rohm
915 manufacturer_part_number=2SD2114KT146V
916 description=Medium power NPN transistor, SMT3/SC-59
917 vendor=Digi-Key
918 vendor_part_number=2SD2114KT146VCT-ND
919 pinout=2SD2114K.pinout
920 npins=3
921
912 Q600: 922 Q600:
913 part=EMB9 923 part=EMB9
914 slotmap=slotmap/Q600 924 slotmap=slotmap/Q600
915 925
916 Q601: 926 Q601:
1154 npins=2 1164 npins=2
1155 1165
1156 R417: 1166 R417:
1157 hier=mob.audio_hso.Detect_pullup 1167 hier=mob.audio_hso.Detect_pullup
1158 value=220k 1168 value=220k
1169 footprint=0402
1170 npins=2
1171
1172 # external base resistor for Q405
1173 R418:
1174 value=750R
1175 footprint=0402
1176 npins=2
1177
1178 # external B-E resistor for Q405
1179 R419:
1180 value=22k
1159 footprint=0402 1181 footprint=0402
1160 npins=2 1182 npins=2
1161 1183
1162 # attenuators in the Tx path from Rita to PA 1184 # attenuators in the Tx path from Rita to PA
1163 part chip_atten: 1185 part chip_atten: