R41、R57是光敏电阻：0UT:模拟电压信号输出端 澜压电路 51 0UT:压力模拟电压信号输出端：R41:电阻应变片，阻值1K 2.19D4区：并串转换 2.20D5区：串并转换 SH/LD O 40 8 HC164 11 1 1 2 2 3 3 4 4 D D C C B B A A Title Size Number Revision A 4 Date: 2006-7-3 Sheet of File: F:\Inovation\.\Sheet1.SchDoc Drawn By: 2.5V D 2 10 9 8 C 4 1 1 LM324N U15C 12 13 14 D 4 1 1 LM324N U15D OUT 100K W 3 R48 R57 1K R50 R41 2 3 1 4 1 1 A LM324N U15A 5 6 7 B 4 1 1 LM324N U15B R58 1K 10K R64 1K R56 R49 1K W 4 100K VCC 10K R135 1K R134 100K R138 1K R140 10K R136 R137 100K R133 10K 1000pF C83 1000P C21 10K R139 R41、R57 是光敏电阻；OUT：模拟电压信号输出端。 测压电路 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 D D C C B B A A Title Size Number Revision A 0 Date: 2006-7-1 Sheet of File: F:\Inovation\.\STAR.SCHDOC Drawn By: 2.5V D 2 10 9 8 C 4 1 1 LM324N U15C 12 13 14 D 4 1 1 LM324N U15D OUT 100K W 3 R48 R57 1K 1K R50 1K R41 2 3 1 4 1 1 A LM324N U15A 5 6 7 B 4 1 1 LM324N U15B R58 1K 10K R64 1K R56 R49 1K W 4 100K VCC 10K R135 1K R134 100K R138 1K R140 10K R203 R137 100K R133 10K 1000pF C83 1000P C21 10K R139 12 13 14 D 4 1 1 LM324N U26D 10K R206 R205 100K 1000pF C92 10K R204 OUT：压力模拟电压信号输出端；R41：电阻应变片，阻值 1K 2．19 D4 区：并串转换 2．20 D5 区：串并转换 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 D D C C B B A A Title Size Number Revision A 0 Date: 2005-12-19 Sheet of File: F:\Inovation\.\STAR.SCHDOC Drawn By: SH/LD 1 CLK INH 15 CLK 2 SER 10 A 11 B 12 C 13 D 14 E 3 F 4 G 5 H 6 Q H 9 Q H 7 VCC 16 GND 8 SN74HC165N U22 VCC SH/LD SER Q H Q H CLK 1 2 3 4 5 6 7 8 JP36 DS21 470 R69 1 2 JP29 1 2 3 4 5 6 7 8 JP49 CLR 9 CLK 8 A 1 B 2 Q A 3 Q B 4 Q C 5 Q D 6 Q E 10 Q F 11 Q G 12 Q H 13 VCC 14 GND 7 SN74HC164N U30 VCC A B CLK DS25 470 R87 1 2 JP39