FreeCalypso > hg > freecalypso-schem2
diff venus/src/MCL @ 63:4a7db02ddd3e
buzzer circuit implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Wed, 01 Dec 2021 20:22:47 +0000 |
parents | a1b55af7f04d |
children | 82febe124936 |
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--- a/venus/src/MCL Wed Dec 01 19:26:29 2021 +0000 +++ b/venus/src/MCL Wed Dec 01 20:22:47 2021 +0000 @@ -652,6 +652,7 @@ # Clamping diode pair in the buzzer driving circuit D405: + hier=mob.buz.D_pair manufacturer=Diotec Semiconductor manufacturer_part_number=BAV99W description=Clamping diode pair, SOT-323 @@ -847,6 +848,7 @@ # Old-style buzzer LS401: + hier=mob.buz.buz.pkg manufacturer=CUI manufacturer_part_number=CMT-8530S-SMT-TR description=Magnetic buzzer, 8.5x8.5 mm, SMT @@ -921,6 +923,7 @@ # Mighty NPN transistor for driving the magnetic buzzer Q405: + hier=mob.buz.npn.Q manufacturer=Rohm manufacturer_part_number=2SD2114KT146V description=Medium power NPN transistor, SMT3/SC-59 @@ -1181,12 +1184,14 @@ # external base resistor for Q405 R418: + hier=mob.buz.npn.Rbase value=750R footprint=0402 npins=2 # external B-E resistor for Q405 R419: + hier=mob.buz.npn.Rbe value=22k footprint=0402 npins=2