RF????????????

1
RF????????????
2
????

• RF Radio Frequency????
• ????,???????(ELF)????(VLF,50-60Hz??)?????????????,
  ??(LF)???(?VHF?UHF?)?????????????RF?,??????300GHz,
  ?????????,???????(mm)??,??????
• ???? Coaxial cable?
• ?????????????????????????????????,????????????????
  ???????????????(??????????????),???(??????),????(
  ?????????????,????????),?????(?????????,??????????
  ????)?
• ??,??????????????????,????????,????????????????

3
????

• ????

4
???????????

• ????
• ????????????????
• ?????????
• ???????????
• ?????????
• ????????????????
• ??????
• ??????????
• ??????????
• ?? COMPATIBLE CABLES
• IMPEDANCE 50O/75O/93ORG405/U, RG402/U, RG316/U,
  RG223/URG178/U, RG179/U, RG174/U,
  RG142/URG141/U, RG59/U, RG58/U, RG8/U, RG6/U

5
WIRELESS COMMUNICATION

• 21???????,????,????????????(GII,NII,HII)?????????
  ?????,???(Whoever),?????(Whenever),????(Where-ver)
  ,?????(Whatever)????(Whomever)??????,?????W???WLAN
  ?????,bluetooth?????????

6
WLAN

• WLAN
• WLAN?????????,????????????????A wireless
  LAN?????????????(?)???????(LAN)??Wireless
  LAN??IEEE 802.11????????????????,????,??????????PC
  MCIA???,?????????? ?
• ???2M?11M,IEEE 802.11b????????????????????????,?8
  02.11??????????????????????????,?????????,????????
  ??,??????????????,????????????????

7
BLUETOOTH

• Bluetooth
• Bluetooth?????????,??????????...????????????,????
  ????????????
• Bluetooth??????,??????????????????????(Frequency
  Hopping)RF??,????????????????????????????????(????
  ??????PDA?)???Bluetooth Module????????????,???????
  ?Bluetooth?????????,??Bluetooth to Cable
  Modem?Bluetooth to xDSL?Bluetooth to Cell
  Phone???Bluetooth???????1Mbps?

8
BLUETOOTH ??
9
BLUETOOTH????

• ?????????(Blue tooth)?????????,??????????,????????
  ???????,????????????????????????????????,??????Ro
  ad map??????????????,??2003??????????????????????

10
??????????

• ???????????????,?????(Acess Point)?,??????????????
  ???????(Antenna Connector)??????????????,??????,??
  ?????,???????(Radio Frequency,RF)??????????(??????
  ???????),????????????????????????????????????????
  ????????????????????????????????????????????,?????
  ?????????????????????????MIC ITIS????,????????????
  ????????????????39.8?,??2002??2003??????????,????
  ?46?50,???????

11
HNS????

• ????
• ?????RF cable??????,?????????,Local
  ???????????????Belden,Hubersuhner,Hitachi??RF
  cable??????,?????????????
• ??????????????????????????????????????PDA,NB,Deskt
  op PC?mobile????????0.81,1.13,1.32, 1.38 cable????

12
RG178,RG316??????
????????RG178?RG316?????2cm 50cm,?????????
13
HNS????