FET RS232C RS422 RS485 USB EL01010 EL01020 EL01030 EL01040 EL01050 EL02010 EL02020 EL02030 EL02040 EL02050 EL02060 EL02070 EL02080 EL03010 EL03020 EL04010 EL05010 EL05020 EL05030 EL05040 EL05050 EL05110 EL05120 EL05130 EL05140 EL05210 EL05310 EL05410 EL06010 EL06020 EL06030
2008/7/22 EL01010 100V (a) (b) / 2 AC25,000V AC20,000V 100V DC1,500V
2008/7/22 EL01020
1826 (Georg Simon Ohm) (Henry Cavendish) E=RI I=ER R=E R ; () E ; (V) I ; (A) [ E I R R1 R2 R=R1+R2 E=(R1+R2)I [ E I I1 I2 R1 R2 R E=R1I1 E=R2I2 I=I1+I2 I=ER1ER2 E= I R1R2(R1+R2) R= R1R2 (R1+R2) 2008/7/222008/12/4 EL01030
2008/7/22 EL01040 (Electric power) W electric energy 1. V I P P = VI (W) 2. ( ) ( ) (W)
2008/7/22 EL01050 [ 1M [ 10 [
() [ [ E E3E192 E6E12E24 [ 1 10 1 1% 2 10 2 2% 3 10 3 4 10 4 5 10 5 0.5% 6 10 6 7 10 7 8 10 8 9 10 9 0 10 0 5% 10% [ 1/16W1/8W1/4W1/2W1W2W4W5W (W) W=I 2 R=V 2 /R 2 2008/7/22 EL02010
2008/7/22 EL02020 (Capacitor) F pf F 6.3V10kV 2 [ [ 1) R L 2) 3) 4) 5) 1F [ C C=C1+C2 C= C1C2(C1+C2)
FET 2008/7/22 EL02030 (IC) ( ) ( )4 1/1,000 1/10,000 (carrier) n (negative) n 1/1,000 1/10,000 p (positive) p
2008/7/22 EL02040
(transistor) [ P N P N NPN N P PNP NPN - - [ FET 2008/7/22 EL02050
FET 2008/7/22 EL01060 FET FET( Field effect transistorfet ( ) [ FET (G) (S)pn n n ( ) (D) (S) VGS ID (G) [MOS FET MOS Metal-Oxide-Semiconductor( - - ) 3 MOS FET 2 (G2) (D) (S) n-p-n ( ) n n-n-n n VGS ID VGS=0 VGS=0 [ FET WLAN (LNA ) /
FET 2008/7/22 EL01070 Integrated CircuitIC AD [ monolithic IC1 mm10 mm Si 1990 [
FET 2008/7/22 EL02080 operational amplifier OP ( ) [ 1. ( ) 2. ( ) 3. ( ) ( ) 4. ( ) [ R2=0 1 [ 180 [ 2
2008/7/22 EL03010 2 01V 0V 5001V 1000 DA DA 2 1. 1) 01V 2) 05V 3) 010V 4) mv 2. 1) 420mA 2) 020mA ( 0.1V)
2008/7/22 EL03020 1) 2) 4 20mA 4mA ( ) 250 15V 0 20mA 05V 3) ( )
2 (ON-OFF) ON ON 0.20.8V 10 1mS DC 0V 200 1mS 0.20.8V 10 1mS DC/AC 0V 0 10mS DC AC SSR DC/AC [ ON/OFF 2008/7/22 EL04010
RS232C RS422RS485USB 2008/7/22 EL05010 FA [ RS232C 1 1 EIA-232-E RS422 RS232C N EIA-422-B RS485 RS422 N N EIA-485 USB USB1.1 USB2.0 LAN IEEE802.3 IEEE1394 IEEE1394 [ IEEE1284 SCSI( ) (Small Computer System Interface) GP-IB IEEE-488
RS232C RS422RS485 2008/7/22 EL05020 Ethernet 10Base2 10Base5 RS485 Ethernet 10Base-T 100Base-TX 2 RS232CRS422
RS232C RS422RS485 2008/7/22 EL05030 (protocol) LAN 1) 2) ASCII / CR( )ETX CR 1) TTY 2) X. 28 / (PAD) (DTE) (DCE) 3) RS232CRS422RS485
RS232C RS422RS485 2008/7/22 EL05040 0 1 (asynchronous communication) RS-232C SYN(SYNchronous idle ) SYN ( ) (HDLC 01111110 ) HDLC
RS232C RS422RS485 2008/7/22 EL05050 1) 150115200 bps ( ) 2) [ [ [ 1 1 1 0 0 1 3) 1 [ [ [ 4) ASCII B
RS232C RS232C DA RS232C EIA( )1969 1 1 USB 1) 1 2) ( ) 3) 1 1 4) 15m 20K / 5) D-sub 25 9 [ ( 3K 4V 7K) ( ) ( ) ( ) 60mA ( ) (250kbps/3k/1000p) +3V 3V ( 0 )= = ON ( ) ( 1 )= = OFF RS232C 2008/7/22 EL05110
RS232C RS232C D-sub 25 D-sub 9 25 9 8 1 CD 3 2 RD 2 3 SD 20 4 DTR 7 5 SG 6 6 DSR 4 7 RTS 5 8 CTS 22 9 RI(CI) ( ) 1 FG D-sub 25 D-sub 9 RS232C 2008/7/22 EL05120
RS232C RS232C 2008/7/22 EL05130 RS232C A) 3 ( 1) B) 3 ( 2) C) 7 ( 1) RS232C D) 7 ( 2) RS232C (RTS) (CTS) RTS/CTS RTS RTS DTR DTR CTS
RS232C 2008/7/22 EL05140 RS232C ±15V 20kbit/sec 15m / / IC RS232C (20k /) (15m) FTK9/TMH9 1
RS422 RS422 RS232C N RS232C 1) ( ) 2 () RS232C 2) ( ) 3) 1 1 1 10 RS485 4) 1200m 5) 1.2m 10M /1.2km 100k / 6) 6V 2V 40mA 4K 0.2+0.2V 12V 2008/7/22 EL05210
RS485 RS485 RS232C N N RS232C 1) ( ) 2 () RS232C 2) (110)( ) 3) N N 32 32 4) RS422/485 5) 1200m 6) 1.2m 10M /1.2km 100k / 7) 6V 2V 60mA 4K 0.2+0.2V 12V 2008/7/22 EL05310
USB USB. ( ) 1) 6 127() USB 2) 1 4 1 Vcc 2 D 3 D 4 3) 5V 5% 1 500mA 5A 4) 5m( ) 3m( ) 5) USB1.11.5Mbps12Mbps USB2.0480Mbps 6) L VOL RL=1.5K 0.3 V H VOH RL=15K 2.8 3.6 V VIN I(D+)-(D-)I 0.2 V VCM VDf 0.8 2.5 V VSK 0.8 2.0 V 7) 1ms RS232CRS422RS485 2008/7/22 EL05410
2008/7/22 EL06010 N N N N 3 10
2008/7/22 IR06020 [ [ [
2008/7/22 EL06030 [ [