
      ******** ҵ   ̨     ѡ  ********
      **                                           **
      **                109 ڣ               **
      **                                           **
      ***************  200241  ****************


                          Ŀ  ¼
                    
       ʮʼChinaHam鼰HAM̳14ƪ
       ã̳BD4SGƽ׫10ԲSSTV
       صܡW1FB QRPʼ(2)ѡ֮4-11
       ÿһվߵ־վBBS"ߵ̳"
       ¼HAM鼰˰취


            л http://www.hellocq.net С

             Ķرǰݣ
         http://garden.2118.com.cn/zsh/zazhi/ml.htm


ʮʼChinaHam鼰HAM̳14ƪ

2002322

   From: BA4DW <davezhou@citiz.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]VP6DIXR0X323գ
   Date: 2002-3-22 10:35:00

8ʱ򣬽е21׵XR0Xǵ7ΣͲһ
80סXR0XʵٺòԶˣźźͳʱ
̨ϵĹʹ DXER ׾ٵؾܺͨϡ XR0XLOG
RESEARCHhttp://www.cordell.org/SFX/SFX_pages/SFX_News.html
ɲ飬Ѿвй̨ϲɺء

VP6DI˵ҪһЩϵĻᶼ̫ࡣ 21
ϵSSBCWһֱŬĺһͨVP6
DI

VP6DIҲLOG RESEARCHȥLOGżٸҵĿǰ
Ϊֹ45QSOһҲûҵLOGӦԶ
С

XR0XԤʱҪ磬VP6DI˼졣 ֧Զ
ͬʱ327뵺VP6DI328HENDERSONͣ
HERDERSONDXCCĸPITCAIRN ISƤؿȺ
IOTAϺPITACARIN IƤؿOC-044DUCIE I
OC-182ͬOC-056ڼΪϡеĵ졣

BA4DW
davezhou@citiz.net
2002-03-23

------------------------------------------------------------
2002323

㲥̳
ԭϢ:
 :69209
 :һصһεĸо (1ǧ)
:
ʱ :2002-3-23 17:05:02
Ķ:234
ϸϢ:

            һصһεĸо

    ̳͹㲥̳һ

           Զ

        
        ʶཻϵѡ
        ֹ̽ĵã
        Ҳ̸ϲŭ֡

        
        ͬʱһЩͬõѡ
        ᣬt
        ҲӵRadio

        ⶼ˼֣
        ⶼ˼ļٶǵĻ
        ͬʵĲ䣬
        ݽȥ˭ҲԳѡ

        ȥǼأ
        ʱֵӡӡ
        ÿһεļÿһصĵ
        С

        ǡɽɽң
        ǡӡҲң
        ǡΡλҡ
        ҳǡL.C.Y.L.C.Y.ҡ

        һֵıһ£
        һһǡ
        ֱĹỹǿ໹֣
        Ҳ۹ǡˡǡˡ
        ǡǡ󡱡ĩ

        Ϊ⣬Ӧиõ֣
        󲻶ϵŻϣбһ
        ￴ѡѰǧٶȣ
        ʱȻڙդȴ䡣

        мңԲΣ
        ϲ֣Բӣ
        ұסڳԲڳɽ
    һΧȦҪһصһεĸо

    ʰ𳾷ʱļ䣬
    ȥǵĳ
    ɡ
    ³ĸ裡

    L.C.Y.ң
    L.C.Y.ҡ
    Ӵһ
    ҵİһֱ

    עװǣ2002531Ժҽ
     áL.C.Y.ҳ̳͹㲥̳
     ۡ

------------------------------------------------------------
2002323

   From: С <lwham@2911.net>
     To: chinaham <chinaham@hellocq.net>
Subject: [chinaham]Ի̨---̨Ա
   Date: 2002-3-23 20:09:00

    ̨IC-28CѾһʱ,Ƶû,ϲ
, ɫıƵԴϵıͷıⶼƯ
˵˸Լֻı⣬а߸Լֳֻ
̨ı⣬վȻҲǴˡ

    ڵгϷһɫLEDСݵ̼ң
ƬȣܹǰͷһЩɫСݣ
Сֻ3mmLEDһ㣬ɵԼIC-28 ܲ
ЩСݸԼ̨أǵһκ̨Ƶ
ѹ10VңҲǲ̫ˣ 򼸸ؼ԰գû
СһһģһǺüֻ
˵˰죬ϰͬ10 ˣ0.4Ԫһֻ
ɫɫɫļֻϰ˵ⶫǹõģ
滹иʲôաҲ˵֪Ǽ٣˵
ѹ6-9Vͼǰֻ

    ؼҺȲزԼİ---IC-28C ˳ҵ
ϵֻСݣһֻСݣͼ
·氲úӣͼľIC-28Cԭװ
ƣΪ˱ȰĵݲԭıϣЧ
ɣȺһֻԭݣĺɫݣ

    ͼǸĺúǰЧ

    ȽϣĵݱԭҪһЩߴԭ
СһЩԺܷذװԭλϡһֻɫƺһֻɫ
ƵĹɫҲѿǺǡоĵҪԭһ
ЩЩлɫԱɫҪһЩҲһЩ
 ںɫƹʹʱʹɫĹɵ㲻LCD
䣬İ취ǰѻɫĵƺúٰѵγһЩʹ
õһЩͿˡվ˼ϵķо
ɫɫЧһЩΪʵܷʱֵѹ
¹վװú2Сʱδ쳣 ֻҲ
Ǻȣܸоԭĵ٣վʹõ΢
صԴƵĵԴѹ12V13.8VδԣΪ˱
ʹʱڲӰȵǰټһֻ裬
߰ȫҪעǣڲװʱʹǽӵصǸ
ºӡ

    ͼƬϴ󲻱㷢,ֱӷҵվ:
    http://wxdiy.126.com



С
lwham@2911.net
2002-03-23

------------------------------------------------------------
2002324

   From: BA4DW <davezhou@citiz.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]Сһ
   Date: 2002-3-24 22:14:00

͸ղһСʱVP6DI7CWź599ûͨ

750֣ҸշVP6DI7ϳ֣ 5ӣXYL
ȥˡ룬XYLһţҶӾͳɤ֣ ûֻۣ
úһֱ1СʱXYLǰ򲼣ƿҾûڿ
֣СûڿɳֵļЪûţ
VP6DIź ϲ٣лᣬ
ɶٵһᣬ͸ͨ

847֣XYLˣϽѶӳһ鷿϶
ֻû3ӣVP6DIͨһJA󣬾ûˡ10
ɶҲûУQRTˣʱͷ𣬳嵽ŸձXYL
ЦСһͨҺ"СӲã"δ䣬
ССһ⣬һֿ޽ඣ

һͷԣϿЦСϷֱ䣬תˣ
죬תһ룬Ҳ̫ʧһ
ϣʼϿΡ ٣Сһ5´󣬾Ȼ
ῴɫ̬ȵǲ۾һأ
һߣҪС죬ҺɫأЦ˿Цá

ͨһҲν 

BA4DW    
davezhou@citiz.net
2002-03-25

------------------------------------------------------------
2002325

   From: bd4rbn@4hams.net <bd4rbn@4hams.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]Ͼм̨
   Date: 2002-3-25 20:15:00

    Ͼм̨ʹãصϽɽ
    ƵѸΪû434.470439.470



bd4rbn
bd4rbn@4hams.net
2002-03-25

------------------------------------------------------------
2002326

   From: BA4DW <davezhou@citiz.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]ʢݳĻ
   Date: 2002-3-26 08:23:00

ʢݳĻ

ѾVP6DIźˡ ¸ҵԶԱǣ
˵BRAVEHARTŵ ƾһ¸Ҽᶨģ
սʤ˶ӵ˷ˮϵĲʣǿ
ʱˡףԸƽػصԵHOME 

VP6DIʹ뵽20003·ݵTX0DX2000323գ¿
ǱIARUΪµĳԱ֯CHESTERFIELD REEFS¿
ĸ3502000323ΪһDXCC
ҡεDUCIE ISLANDʵһΡCHESTERFIELD REEF
֮󣬾˷ͼ۹DUCIE ISLANDΪ
ǷDXCCһDXCCңǹҶȷ
DXCCңڣѳΪʵ

ҳTX0DXQSLƬһ仰
Chesterfields may well be the last new one under the
DXCC2000 review! Possibly the last one found through
geographic reasoning. An empty feelingis the world now
complete for DXCC engineering types?

DUCIE ISLAND ʹCHESTERFIELD REEFûгΪһ
µDXCCҡ TX0DXԶԱĸ̾DXCC
µûµĻDXʢDXݳ
WHERE DO THEY GO NEXT´ȥĶأ

20003º񣬻йһCHESTERFIELD REEFԶXR0X
SAN FELIXƽ10һҪöˡ һDUCIE ISLANDԶ
ʲôʱأڴ

һԶ᲻йԶԱأ 

ˣҪȥˣȥ̫֮4졣 HENDERSON ISLAND
ɭOC-056ͨˣһҲȴһΰɡ

BA4DW
davezhou@citiz.net
2002-03-27

------------------------------------------------------------
2002329

   From: bd4rbn@4hams.net <bd4rbn@4hams.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]Ͼм̨˴Ӧ
   Date: 2002-3-29 23:52:00

2250ҺͰջϵBD6CS ջBD4VNBϾ
м̨QSOBD6CSõJ2ߣC450ֳֻϾ
̨53-55źšBD4VNBϾм̨59źţ Ͼм̨
57źšܾûصĵ̨Ͼм̨ˣĺܸˡ



bd4rbn
bd4rbn@4hams.net
2002-03-29

------------------------------------------------------------
2002330

   From: BD5HAG <bd5hag@hellocq.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham] The Art and Science of QRPѡ 1
   Date: 2002-3-30 10:31:00

ARRL's Low Power Communication
The Art and Science of QRP
Richard Arland, K7SZ

Chapter 1: QRPı

ӭ˵QRP硣 ع˵͹ͨѶļҪ
ʷ ǳṩQRPҵߵ簮õ
ļܡ

Ȿǹʲôģܸʡŵ飬ǹ
QRPȫԴûκһҵߵ淨QRP
ڳѧߣ󡣳QRP㻹75100
һ̲շŻڶ̲ν緶Χĵ磿һ˵
QRPerһЩ豸󲿷ֶԼģ̨Ͷ1000
㲻1000һµҵ豸

ôQRPء ͹ͨѶ߶һЩĲԱ
ĥ˴գڲδƺ̨վЧʶר
ǵĲɶһģ絽õһȺˡ

QRP豸ͨС͵ģʺƶͱЯͨѶ ζ
ҰӪȼٺͳߵ簮áôһThe
Adventure Radio Society ҵ̨רͽк


ÿ˶ԼĲ⣬ ΪһQRPerһ
ĵ͵100W̨ļ֮һļ۸Լװһĵ̨
Ҹ˵ľ飬Һڵʱ򣬺¶
Щ豸QRPͲһˣ㻨ٵǮ ܵõ
Ŀ֡

һĺôھӱõĹϵ QRP
ʲôƵŸھӡ ʹصĻߵͰߣQRPer
Ա˵ȫ֪ġ

˵ߣQRPĳ Դ1965ΪһԾ
QRPerѾüС5WĹʺͳ߻DXCC 
 ܿᷢߵľΪQRP
Ҫ顣

QRP豸ǲɷֵġ һϲһһ
ϲһ ǰչQRP׼гǸܺõ֤
ڷҵQRP׼ӼӵSW+ϵеλನΡ
ģʽK2С ּ۸ܡܵQRP׼һܸ
Ȥ
                    

            BD5HAG
            bd5hag@hellocq.net

------------------------------------------------------------
2002330

   From: ïɭ(BA4SCP) <msbd4scp@pub.sz.jsinfo.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]´ľۻ
   Date: 2002-3-30 17:06:00

                    ´ľۻ
                -----HAMһβιۻ

2002214Ǵ һ¶ˣһ
ɽHAM԰HAMıBD4SCҾۻӡHAM
ۻĲ߻ǳBA4SEѧBG4SUF SEļƻ
HAMïɭBA4SCPҼУȻSCһٵSCP


ʮӣݹóĻBG4SCOһұ͸
һ400MHZ嵥ԪľߣSCPSCOʾлڶ
㳦½Ƹ½ǵһμ棬Ҳǵһεҡʮ
ʮ֣ɽSE BD4SBPSUFֵ̫BG4SCU
ϵңSEͳSBPǵһεҡ

SCPSESUFͳSBPSCUĽγSCҷSCO
½ڳSCU̫еһHAMΪϰ忪СԴӲ
ҵ̨װһ""ߣ
װһ"θ"շ̨һ"β"Խ
꣬β͡β͵Ĺܡڽγǰ
·SCڿ򵼣С312ʻ ǰׯ·
򱱿پ·ߣһ򱱣
廦ٹ·ţһ·͵SCҵ
ſڡǵĵõSCȫһӭ

߽SCҵĴһƬô԰ӣ쾮¥ӱ
ӾʹڴǰSC¥߽SCҵķӣոװ
õķӣ·һɫʣҶ˵̫ⷿƯ
ˡ¥æŸǵ̣˱ʾл
ǲιһSCҵ̨ҡд̨Ϸһ
̨239Ż һ̨SUFXDD-27MHZշŻӽӹһ
̨Ƶ50Wӹܣһ̨14ӢP133ԡ SEĵӹ
źܸȤ˼ڲṹͼڴһཻУ
SEļźӰգұʾͬ

ʮһʮ֣SCټ¥͡յĲȷǳḻ
ҶԵĽζھͲдҳԣ 400ȸȻ
SUFɽ400MHZת̨ѼܺãݵHAMͨɽ
תϺHAMͨӭҾʹá SEΪ
һ£ϣλѧܣط ҶSCU
400MHZ嵥ԪľߺܸȤһ⸶Чʱ
SCBG4SUEҲ׼ѧһ

ʮʮ֣Ͳͽ󣬳SEڴ԰ΪȫHAMӰΣ
ȫHAMҺӰҺӰսSUFΪSC
װMMSSTVHAMཻʮĵҵĲιۣ
һҡ

ʮĵʮֵң(˰)ò衢дǹ
Ĺֻ3~4ƽ״С̨Ϸһ̨239Ż
Ƶ7MHZߴ10WӹСţһ̨PMMX23315Ӣ
ԡSUFΪҰװMMSSTVSEһ 
HAM٩̸SE˵ӡȽϺã ¸еʵ
֧SCPҵ̨֧жϡ Դ
˵⣺(1)һǲμϾ2000׼ʳ(2)һ
һﳵȥݻվμϺһԡͷϲ֧
ײҪ̨Ŷˡ¶ҵŮ()
ͼܸȤѼžƷͼ

ΪµȤܹ㷺õӡԡ̨Ӻ
Ӱ뽻ѣһ˵Ӣۡ

ʮҵĲιۣʱ죬һеᡣ
5·ǻ׼һλ ת̨ǿڿо
棬½ϣÿģøˡ

һСͿӰ٣еĺCQ
CQCQ.



ïɭ(BA4SCP)  2002-03-30 16:17:02
msbd4scp@pub.sz.jsinfo.net

------------------------------------------------------------
2002331

   From: Terry BD7NQ <bd7nq@hellocq.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham] Handhelds
   Date: 2002-3-31 15:54:00

죬ггʮҵֳHThandheldHT
ѡһ̨ʺԼĽأ뿴

VHF/UHFֳHT

㹺һ̨λ˫εVHF/UHFֳHT ǳҪһ
ǣҪ˽²Ʒļ۸ĹܣͬʱҪף
󲿷ֻʹõеһЩùܣһЩ豸۸
⹦ܿʹá

˵õHT˫εģҪǳáHal
PuritzKF6WQS˵һҵͨŶӵĳԱΪҵ
ͨŷʱҪHTܹܴԱܹ
ӵPuritz˵ͬʱҪHTһ
ļ̣ϲ⻹Ҫзˮܡ Hal
ʾԼ̨׼Yaesu VX-5RHT

úСĺСPaula GramsKF6WRJYL˵ 
ÿС Alinco DJ-C5T˫HTɳ̲ܡ
DJ-C5Tᣬв85ˡ

HT̫ļ̹ܻĻңʱICOM IC-Q7A
Kenwood TH-22/42ATʹãСļṉ̃Ƚ鷳
ڴHTп¡ܣԴһ̨жƵ
䣬¡ һ200ԼϲƵĻ˵Ҫ
ԷĹHTļƵ

99HT

AlincoһԵλ DJ-S41T440MHzDJ-S11T2ף
ƽ͵FRSFamily Radio Serviceͥߵ ̸
ߴ磬۸84.95ң0.5Wķ书ʡ С
HTõŻ ΪǴеFRS̸
ģϲǹ̶װϵģܱš
ŵػһѡĵܹʹһ졣

Alinco¿ڴСΣ20Ƶһ
ƵĲģʽƵм̨ CTCSS
ƵLCDʾ⣬ϲ зḻѡã
缸䲻ͬĵ顢VOXأͷ е
˷Ƶֳ/˷硢 һ׿
HT

$100-$200HT

ǿ$150۸Χʱ򣬺ܶ൥λѾܹṩ5W
ķ书ʣ߱вٸ߼ܣܹκλȶԵβ
Ҫ$150ңЩҹṩ˫εHTֻһ
η䣬ĽշΧ

Cherokeeһĸͨ豸̣ṩAH-506
ΡFMʽ5WHT ܹ洢5мƵ
ӿBNCչߡ

$1996ײΣѡADI/Pryme PR-52HT5W
ʣ40ƵPR-52ںʮֻṤкܻӭ Ϊ
ԽʮֻƵʣ40MHzϡ һ̨С
ADI/Prymeṩʮֿѡ̨͡HT Ϊ
220MHzڼͥͨšGMRSͨƶߵ񣩡
ҵͨšмǣֹһظƣHTӵи
ܺ͸

PrymePR-222HT222MHzרõģ۸Լ$300ң Alinco
һ$200ģͺDJ-2805W10Ƶ Yaesu
222MHzFT-33R

$200ÿҶṩ2׵κ400MHzεHT ÿHT
һѵĹܣڱĵĸҵͬļ۸ΧҲ
˫εĻЩͬһʱֻʾһΣ
˫λܹͬʱʾʾͬĲΣ
ӡ̵ICOM IC-Q7Aг۸Լ$140ң2
440MHz䣬൱ĽշΧԴ30MHz1300MHz
AMͨţwide-band FMFMƵ㲥
ӰCTCSSƵıͽ룬200Ƶʹ
ͨ5ŵؾͿɹȵֱʺܺã ô
ԣ书ֻ0.3Wϱصм̨̾ĵ
ͨţʹõʵ0.3W㹻ˡҪĹ
ͲְƴСĻOMңӹС
һڹ꣬

Yaesuṩ˫HT۸$150VX1-R0.5Wķ书ʣ
ʹӵĵԴԻ1Wķ书ʡܻ˿
ĽշΧ76MHz999MHz291ƵÿƵ
6λַʾͬʱƵıͽ룬 FMЧ
Ҳֺ͵ӰIC-Q7AȣԲ
Ǽɱ̵ġ

һ˫HT0.5W͵DJ-C5TֻÿС
۸$150AMղεĽչܣܺã﮵
ֵ͵ǣAlincǫֻÿȵСװһ
AlincoмεĻDJ-195DJ-196׵
DK-496440MHzġ

ڵ$200УYaesu»VX-110VX-150 Щ
һרҵģʽȱһЩҵĻڹܣһЩʵ
ĲģʽΪҪѵҵгʾȻ󣬵
װλúͽǶȾѻƤϣҲ׿
书ʣ5WֱӼƵ룬209ƵCTCSS
ƵDCSʾʾ7ӢĻַļ
̣ѡļ̹ߡ

$200-300HT

$250ң˵ǽHTƽ۸ǵλ˫ε
ǵλԻøḻĹܣ˫˵
һͬʱεĻ۸ˡ

AlincoDJ-V5һ̨ܻӭĽ˫HT200ֵַ
ƵFMգĽշΧ76MHz1000MHzһ
̨С׳HTۿڻ棬ǰ
·ȵʷǳ㣬Ӧһ̨һ¡
AlincoһDJ-G5THһ̨ͳ͵Ļϴ 
кܺãܴ

ICOMкܶ$300ĻIC-81AĲHT
IC-T81A6ס2ס440MHz1200MHzĸΣͬһʱ
ֻܲһΡһ๦ܵġjoystickϷ
ݸˣ͵ʮֲܹٶתκʹ
ܡʮֲȱKenwoodӦTH-D7AHTϣ
ICOMһչܣӵ쾡£˺ܶ෽
ܹʵĵICOMӦIC-R3
ջϣʮֲͦ

ĿǰIC-W32Aۣһ˫HT Ļ
ʾƵʣ200ƵĿǰг۸$270
IC-W32AṩVHF-VHF/UHF/UHF/VHF-UHFֻϽģʽ
ͬʱͬƵʵźţƵʿͬһΣ
ҲǲͬΡЩ˫εHTͬһʱֻܲһΣ
ЩͬʱHT۸Ҫǰ߹Ϊ·Ĺ
ӡVHF-UHFģʽνcross-bandģʽ ϲ
ͨŵİ˵رãΪҵͨ
շֱʹͬĲΡ
http://www.qsl.net/wb8erj/me.jpgWB8REJǲǺܿ
һֳֵHTҵAO-27ͨš

IC-32A ԷֱΪͽƵʲͬCTCSS
Ƶļ̣ʾ8λӢĻַ չVHF/
UHFշΧ2״118174MHz440MHz400470MHzHT
cross-bandм̨ܣ㲻ʱ䷢䣬԰
ΪһСм̨ʹãм̨շڲͬ
ĲΡһС͵İ˵߸ṩʹõİ
ICOMһ˫HTIC-T7H۸Լ$200ң70
Ƶ9DTMFԶƵFMգ ĵغT22A
W31AZ1AǼݵġ

KenwoodṩTH-G71A6Wʣ˫HTͬһʱֻʹ
һΣг۸Լ$269TH-G71Aһ̨ɱ̵HT
200Ƶļ̣ʺá Ƶ
ʽշΧ˺ƵΡʹùTH-G1Aܳһʱ䣬
һŵʹü򵥣ҪĶ˵ܹɵؽмƵ
ı̡

YaesuҲкܶλHTѡ㲻ͬȤҪ

еFT-50Rг۸Լ$250ĽշΧӺ
Ƶһֱ999MHzõĿFM˲յƵ㲥ֽ
Ŀ͵ӰĿDCSDigital-coded squelchֱ
뾲룩ʹͳCTCSSƵFT-50RĹһ֣112Ƶ
һѵܣù԰Լķʽ
ԼFT-50R

$299ң㻹ѡYaesu VX5R6ס2ס440MHzHT
ͬһʱֻܲһΡ̾Խ500KHz
16MHzĶ̲ƵʣֻAMģʽûSSB ȻǴ49MHz
999MHzΧĽգڲ˶̲AM˲͵
߶ȸȤĻ㻹ѡһѹԶ
λõѹ֡1999ں׼ȥɳ
ʱBD7YCshow-showǸѹƵCasioӱ 
˵ѹʾ̨ܻ硣 VX-5RһƵʾ
220Ƶ16ֺ9DTMFԶеļƵ
ǿü̵ġ

$300ϵHT

ڣһȵĴȣҪһ̨ܹκ
HTܶгϳ$300HTȷʵӵкܶ๦ܣ
Ҫ

ICOMµIC-82AHT/ջԴ500KHz1320MHz
աڷ䷢棬4Σ6ס2ס440MHz 
5W222MHz0.1Wķ书ʣ﮵ȫ
ͬʱIC-82Aһ̨ˮ͵Ļձҵ׼ġֻ
Ҫ㲻ǴǱˮʱԵֵˮ IC-82A500
ӢַʾļƵ500ƵɷΪ18飬 ÿ
299ƵICOMµġ̬ƵDynamic
Memory ScanϵͳܹκκƵ Ƶ
䡣̴⣬еĹܼڻ²
һץס˺ܶܶߵ繦ܣ$300
ֵһ֣

һICOMĻȻHTҲֵһᣬ IC-R3ֳ
ߵɨ һɫLCDĻߵ
ź⣬ֱտӽĿ 500KHz2450MHz
ƵʣATVκ϶ҵƵʣ ܹո
Ƶϵͼźš

Kenwood˫HTͬʱգ۸$300ҡ
KenwoodTH-79KSSǸù˾߶˲Ʒߵ˫HTһLCD
ʾƵϲ˵ϵͳ֧ȫַʽá82ñļƵ
ÿƵַʶ𣬸ЧǿЧӦģ飬ܹڳʱ
͹cross-bandм̹Ȼֵ¡

СŮTH-D7AGг$469ң packetͨţ
1200/9600صTNCTerminal node controller
˽ڵԱ̴APRSAutomatic Position
Reporting SystemԶλñϵͳݣʾ
ʾÿνܵȷAPRSݣ㲻Ҫһ̨
APRSˡ Ժһ̨С͵GPSջܺõؽϣԶذ
GPSλ÷͵APRSϵͳ ԱصVHFUHFϵpacketͨ
ȤκεpacketͨŶTH-D7AϱֱĶҪ
κεıʼǱԡ

ܽ

гһǮһֻûãֻиãԼ
淨̨ʺԼõľˡܶ಻ܺãû˵
λĽܺͿǱȶನλá
۸񣬽Ҵ־Ͽļ۸ڹڣͬ
Ҳв죬벻Ҫļ۸绰Ҳзˮ
л޷ҲһҪCQ־2001
¿WB6NOA·ӡС㲹˵㶫һЩ
ĹܶձοBD8GK328շʼ

------------------------------------------------------------
2002331

   From: С <lwham@2911.net>
     To: chinaham <chinaham@hellocq.net>
Subject: [chinaham]Եʲô?
   Date: 2002-3-31 19:43:00

 ڼһ,гȥ˵
Ҫжʮ塢ȣٴ˵·һŻǺ----
ĻǶˣĺȡҿƮźܶϵëë䲻
һ :-
    ӳǸһϰ˵ǰһЩCDǽڵģõ
̫͸һȥˣΪȽϺµҲˡ
SONYҲܺá
    µľһˣĿĵĹ䣬һ
׹ҲͦȫֻҪʱһЩзһ
150MߵĶ𽺵ģϰ˵Ǿ׵
ǲͷǳĿڵģҲݿڣҪĽͷҵ
ѵǾָӻϵߣ Ҫ8Ԫ
۵4ԪվûҪ ΪһЩͷ
˵ȫ±վҪ΢ͷ˵УҪⷿȥ
ͬ⣬վҲͬǰνĿⷿǹĸ
Ȼ¥һС䲻󣬶ɲ١˰
һֻ΢ͼ
    ʧ֮࣬ܣͻȻһĶͼ
ɫɫǾõĶHiFi̫ܣ
̨ϵ ܿϧѱJS(
ϧ)˵˾ʣˡŶԽԽ٩۵ԭȫ£
ַصӳר˱úʡǲ𿪺
ûй̶ĿӣĵϵĳϿ˻
ܿɵϵĿӹ̶ǵֻǸӵ
ۼˣԭﻹһֻѹҲѲ :-
    װ⣬ʵ벻ʲôõİ취
ıҲװж׾ƻ
û취ֻǿճˣڻûи͸Ըճס
ںһЩ֧ֹ䡣ɶJSϵ˿Ҳ
ֻʣˣĽҡ绰ϳõ
½߿ãֺὫοס
    ͼҵ222ʹϺЧ СԴӵұ
аˣǺǡ֮࣬ʸλ˭ܸԭ
ʲôõģ

      ϸ            http://wxdiy.126.com
      ͬʱӭʹøľվ  http://wxdiy.cnisn.com.cn



С
lwham@2911.net
2002-03-31

------------------------------------------------------------
2002331

   From: С <lwham@2911.net>
     To: chinaham <chinaham@hellocq.net>
Subject: [chinaham]ĿصԴΪ̨
   Date: 2002-3-31 19:44:00

    ǰһ̨SUNԴ ˳̨Ҳ
ڳ̨ϣͺCR-8112V޸طȾͲת,12VҲ
5Vϱţ12V2A Ϊ䡰ʡ̫
һֱûжָġ
    һֱǰͱĻʱ̸˵Դ˵
Ҳһֵ̨ԴܺãҵһѱΪ12V12A
Ϊĳ̨磬ЧܲĻ˵ǣСת
ӡģʮרҵǷȤѯʾĸƷ
˵̨BA4IFŸĵģ Ҳ̫
ѸĺõĵԴƬӦһBA4IFBA4IF
רŸ˸棬ҿרڵ
һͼң˵
    ߲Ϊ޸ʱӵʱ·
    SAMPLINGΪѹˣжԭ+5V㣬 ֽ߲һ
·
    ʱĩ˽һأ12Vݣ ѹ
470ɱĩѹ13.5V-13.8V̶ɵ裬
ֵӦֵʹʵĹ̶衣΢ԴҲ
˸Ķ
    С뿴˰ͼԼϵĵԴôҲԲϺţҪ
ǵѹҲҲðȻָģ ֱӸBA4IFӪ
ֱӴ绰ѯʣܿҲĵָң
һҲ˵ķһԴ5VǴģͭ
ҲȽϴֻ֣Ҫҵһϸͭ+5V ǾӦȡ
㣬ֱӶϿͿˣ򵥵ĵ·Ӻ(ͼк߲)Ծ
ˡSUNԴĶԵصȡ100+12Vȡȡ
150ʱҲ200ɵ
    ڵʱ֣˵Դ9Vʱǲģһ
ֵȾͿʼתѹߣҲԽתԽ
졣ĺԭ5V˵ĵѹн12V Ϊԭ5V˲ѹ
6.3V10V ڵʱ6.3Vݶ˹ɴڳ
̨ʱֻзȵڷʱѹġС
Դ13.8V ң6AʱѹԼ0.2Vȫ
̨硣󣬽ԭĵԴװڵԴԭѹ
ߵλãڵԴİװϰװһֻСͷڼ
ںʵλþͿˡͼǸĺú
˵Դķⴵģʱɽų̨󲿵ɢƬ
̨ɢȡ
    ˣSUNԴϣرҪлBA4IFӪָ
ͰͱΪվṩѵľռ
(http//wxdiy.cnisn.com.cn)ڴԼվ
Աʾл⣡

      ϸ            http://wxdiy.126.com
      ͬʱӭʹøľվ  http://wxdiy.cnisn.com.cn



С
lwham@2911.net
2002-03-31

------------------------------------------------------------
2002331

   From: BA4DW <davezhou@citiz.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]WPX
   Date: 2002-3-31 22:01:00

WPX

WPXǰ׺ΪϵֵıҲ˵Ҫͨͬǰ׺
˵ǰ׺ͷDXCCҵͷͬ ˵BA4DW
ǰ׺BA4BD4DWǰ׺BD4BY1PKǰ׺BY1Ȼ3
DXCCͷ˵ͬһDXCCͷBYWPXWPX״
Уͬǰ׺й̨μȽ CQ WW
ϵҪһЩΪǵĽձкܶǰ׺ϵ
һ"Ʊ"

һβμWPX19993£μSSB Ժû
вμӡ1999ĳɼ2,190,896֡

         QSO      QSO      ϵ      ܷ
  7     335        705        61
 14      57        143        21
 21     523        945       241
 28     672      1,883       273
 ܼ   1,587      3,676       596    2,190,896

SSBڼֻʱһ¡˳
ץͷ14׵FMFM5GU7׵P4P40V Ӽ
ȺźŶ

ĿǰҵDXCCɼﵽ1793һؿ1800

Ͳǧ
СԳɽ
                          -ӡ

BA4DW
davezhou@citiz.net
2002-03-31

------------------------------------------------------------
2002331

   From: BA4DW <davezhou@citiz.net>
     To: chinaham@hellocq.net <chinaham@hellocq.net>
Subject: [chinaham]BA4DWյQSLƬ331գ
   Date: 2002-3-31 22:01:00

BA4DWյQSLƬ331գ

ڵĽϣͲ˻ʢļڣũضǵģۻƻƵ
һƬһƬģһɴⰻȻľ

ݻصϺʹҾϲǣQSLƬգ

CO2TK28 SSBEL2AR14 SSBPJ7/ND5S242118 CW
KG4EC14 CWKG4ZK18 CWVP2MDY2824211814
10 CW+SSB9U5D2821 SSB D68C2418147 CW+SSB
 8Q7WH211814 CW FO/SP9FIHMARQUESAS, 2824
21 SSBFG5DH24 SSBFR5FD107 CWMU0FAL(10 CW),
BI7DAS-131DX4RIGOC-202DU1KGP/POC-091

DXCCȫܼ1445ȷˡIOTAĿƬҲڽ
ͻ400ͨΪ551

BA4DW
davezhou@citiz.net
2002-03-31



ã̳BD4SGƽ׫10ԲSSTV

-  ߵ̳
--  CQ̳
--  ʱ䣺2002-3-21 8:37:33

                     10ԲSSTV

    BD4SG/ƽ

  ˣHAMѣշŻ͵𣿿SSTV
㻹ûԹ֮Уڴ˽軨׷10
ԲSSTVΡ

SSTVɨӣ Slow Scan TV , ʮ˵ģʹ
ȡͨԼĵ̨豸ϣֳֻͲ
QSOܿԷ,Էĵ̨豸ʩ..
... κչʾԷľĿǰöҵġȡ
SSTVͨ顣

ȣ˽һ»ԭһĲSSTVǰһ
ֹͼ񾭹תɴխƵź, Ȼ͵̨
е,ձߵźŷȥ,ڽն˵粨ָ
ɷǰƵź, ʹýԭͼһ淨
ͨ˵Ե䵱ADDAת빤
, óɱͣܺã㡣SSTVɹĹؼ
ҪƵ̨֮䴫źŵĽӿڣ򵥵İ취ǽ
շŻʹεƵֱ (˥Ҳ
Ҫ)ҲҪ·̨· (MIC
) ƥӣ·̨·(Ӷ)
ƥӣ⻹ҪһPTTƵ̨շ״̬ ڷ
SSTVʱܹʹ̨Զл״̬ ӿںPTT˵˵Ƿǳ
ԵĹУ㻹ǻٵ鷳£
ĶǺǿֻ̾ˡ

ѿν鷳ֻҪǶƵźڵ
̨֮ĻҪܵķ㣬̨֮
Ҫκνӿӣ˵˾˷Ƶź
Ĵݡ˷Ǳ߷BG4SUFĴ١ 5ʱȥ
SSTV5ӰװϤ 10
ӾԲSSTV֮

BD2LDվhttp://bd2ld.myrice.com CMMSSTV
ɰ񺺻ɫÿᣡװĵ
иó򣬽ԵMICڵ̨ ̨
SSTVƵʣߴߴSSTVƵźŴԣͿ
ԶտSSTVͼˣ Ҫͼʱֻ轫̨MIC
Ե PTTͬʱ򴰿е
ťͼ񾭹תɵƵźű͵̨е,
γߵźŷȥˡ˼򵥶ַ㣬㾡SSTV
ޱȿ֡

˷Ƿʵãʲô㣿ЧΣʵǼ
Ψһ׼Ĳ˵ϣͨٴʵ
ͨSSTVͨűġڼӦ
ԭBG4SUF21ƵΣ Լܱ߼ҵHAMSSTV
ͨʵ飬໥źűRSV 595BA4SEBD4SBPBD4SG2
ƵֳֻSSTV໥RSV 595 BG4SCOBD4SG430Ƶ
Σͨɽм̨תSSTVͬRSV 595

תԡߵ̳ http://210.15.22.10/bbs/index.asp 



صܡW1FB QRPʼ(2)ѡ֮4-11

֮1-3ڵġʮʼ   ----ע

W1FB's QRP NOTEBOOKѡ루4

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 30-32

ֻҵߵ簮ڲοBD6CR

ǰѡ

IF˲ѡԣҪӽջĵطṩ
ǰѡԡΪ˴ﵽĿģRFŴͻƵг·Ӧ
ԽϸߵQֵ ʹ˫ггLC·ʹг
·ӦխǰѡԿɷֹڻǿźʹջ
ء

Ŀ

ƵȶرʹխIF˲ʱ ƯƵVFO
źѸٴIFϵͳͨʧ رǵʹ250
500HzIF˲ʱܷǻVFOƵĲָ
⡣

VFOͳĻƵע빦ʻѹԺʵĽջҲܹؼ ÿ
͵ĻƵضƽLOעԱѵıƵ
Ͷ̬ΧǿźŶصˣҶش
ʹõĻƵLOҪ ܻƵҪ+7dBmע
ʣԼ8.5mW˫դMOSFETƵ40673ڵڶդҪ
ֵ5VLOע롣ICƵ˫ܻƵҪ
ֵ34VLOע롣סЩǹѧʹõľݡ

LO벨ӦгƵɢƵʷβ
Ҳ˵ƵʷƵһעƵᵼ
½յյƵʡϲLOгƵ˲Ա
ɾҲע롣һQֵΪ1ļ򵥰벨ͨ˲㹻ˡ

LO·ջ·֮١ ֺȥVFOĵԴ
ߵܰLOϵͳӸ뱣·ʰȡ
·ԪɢRFӰVFOȶԡVFOշ
ڲʱLOǳҪǣ VFO·Ӧڶ
ĺУ շŻ֮⡣ ͨùҲDC


IFϵͳҪ

пʹһIFŴҲǰ۹
һá IFŴһŴдöAGCƷΧ
ڵһִ෴IFŴҪг
ѹ磬MC1350PCA3028AICŴڴͳIFѹ
λøƵȦѹҲܺܺùʹøƵȦ
ʱڼϡ·ĵQֵ ַԷ
ȶаȻѹ迹ƥ䣬
ø档 ICRF/IFŴֳ2000ŷ
8000ŷԣֱΪԻͼ缫Լ缫迹

ʹICŴƵƵϵͳ 80dB ԶƷ
ΧSolid State Design for the Radio Amateurн˸
AGCŴͿƵ·ӡһЩϵͳͬʱS·

IF˲

ʹûе˲ʱСġκһ˲ֻнӺ
ն迹ָܹ귶Χ迹ʻᵼ˲
ԳӦƲӦͻֵķȣ̫ʹЩ
˲һҪ̵ֲᡣ⣬Щ˲Ҫ
˽гݡԴﵽָ˲ҲǳҪ

IF˲ۣҺơ۳þ
˲W1FB's Design Notebook (ARRL) нϸ
ۡⱾWes Hayward, W7ZOI׫дƪ¡
İҲװͰࡣ

ξ˲ĺþ˴ֻ1Ԫһ 
嶼Ǽõĳþ塣ڵصгܹ򵽡
75һĵӻ3.579MHz˶ 250Hz
˲˲һ۵5Ԫ ӦƷ
Ҫ75Ԫ

IF˲

ͳջڻƵ͵һIFŴнIF˲һЩ
ڴ˴IF˲Իøõ˲Եѡ  skirt
selectivityһЩϲáβˡ˲ ַ
һIFŴӵڶ˲˲˳IF
ŴĿͽźʱЧ
ȷ˲ƵһºҪβ˲Ӧȵһ˲
Щ磬һ˲Ϊ250Hz β˲ô
Ϊ500Hzġ Ᵽ֤˵һ˲ͨڶ˲ͨ
С

W1FB's QRP NOTEBOOKѡ루5

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 32-34

ֻҵߵ簮ڲοBD6CR

ջƵϵͳ

һջ·УֶܺãƵ·ȴܲӲ
ټЩ߼λƷջҲ⡣Ϊĵ
ͼͨʹ۵Ŵͳɱʱȷ
ʵҪ0.5WƵʡǣŴ
Ϊ0.40.5Wʵ0.5Wʱصʧ档 ң
еƵICнԽʧ档ʧʱźžͳˡģ
źˡ

ʹ5ƵŴʡ ȻԶҲ
ôʣһʧ档
߱ϵͳҲһ䡱ķʹ100WŴټ
Ȼʵòôʣ

ʧҲܳ㹻ĹʶƫѡС
ĳܹʡ 400mW
1WƵŴǻģǵȷһЩƷ豸зֹ
ǽ10W5WʵƵϵͳ ʽ
úܴĸơѡʱҪѡܴġȻС
Ҫ󣬵Ǻֵá

һջʱƵӦҲֵÿǡͨǺ
ʹ400Hz£2500HzϵƵʳɷ֡ ǿͨѡͨ
ƵƵϵݰѵƵг Ϊ˻Ч ʹ
0.1uF2.210uFϵݡǿͨڷŴԵؽ
·ݵķͨƵӦĸ߶˽ơʹ0.0020.1
uFݴﵽĿġ ʹɣʹQRMָٽƵ
̨ţЧ͡ͳĻʧƵĵߴ
Ҳˡ

һαƵαƵ

ĸãջһαƵαƵ׻˵
ʩҲڽջ·ѡ񡣼һαƵ
ջҪƣҲԱȽۡαƵջҪ
·һЩ塣ƵʸŵĿҲҪ
̬Χ·ֲκνջ˵
ϸǡαƵջиΪؼҪΪиǱ
Ҫơһ棬αƵԼСӦкô磬ջ
һIFΪ40MHzƵԶƵʣ˾ӦĲ Ȼ
 40MHzƵڵڶƵ͵ڶLOƵƵЩƵʣ
3.3MHz455kHzԣҪIFϵͳIF˲
ƵLOαƵΪӡ
ϲһαƵܶ⡣

װ

ʹִҵջϻڵĹܣ֣ҲٻǮ
Ϊ˻Ȥͳɾ͸У QRPerҪAGCSRFơ
Ƶʾͨڹܡݲnotch filterƵƶ
IF shiftӿڡnoise blanker Լ
ƹһͨҲòϡõĶ̬ΧƵȶȲ
Ҫġ ̬Χλô̬Χķ Solid
State Design for the Radio Amateurнܡ

ƵģҲһΪICڶʹǡʹICʹӡˢ·
Ĳֱһ㡣 ˫ܺFETȷԪҲṩõ
ܡҵ·岼ּ򵥣ҲṩĻʵ鹤ȶ
ĥICΪһССķװô档
ΪͬɣƸȶӡˢ·ҲòסƼIC
·ݳ֪÷ҪԱ֤ȶǳ
Ҫӡˢ·ֵ߳еԣʹȶȻ
IC۸񲻹13Ԫÿֻ10򵽳õľ
ܣFETҲֻҪ50һֻ

[ǴʵýջԪ·ͽջʵռ p34-
p97ΪôQRPջֵѡ͵Ϊֹˡ
һУǽQRPҪ㣬ԼҲҪ5-6β
ꡣˮƽټ֮ʱţһ
ڣųڼϵĴϣλʦָ
ơллң]

W1FB's QRP NOTEBOOKѡ루6

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 98-100

ֻҵߵ簮ڲοBD6CR

 QRP

QRPƺܵ˵CWȷ籨豸չ
ҲΪCWԼף ϣСʣCWͨűSSB
ͨŸЧʡSSBǿҵQRM͸߹źſCW
εĲռúźŴ١ CWQRPһô
ƵSSBĵ١ʺõع硣

10׻15ײʹ510WSSB豸 ͨŲűȽϿ
ܡQRMȻʱأ204075ײѿɺԡ ʹ
ü򵥵ߣ1015ײεĴǿСʴͨ
ЩʹγΪQRPͨŵ벨Ρ 1217ײ
SSBҲˣΪεQRMHFСġ

һν˹ԼQRP豸 Ϊ㲻Ʒ
豸ʣǮΪʹԼ͸Ľ豸Զ
ͨŶеױȵĿ̻֡ͨõľ鱾ֵ
ŬԶҲҪ豸͵ȫԼ



QRPerŶ١ӢÿߡQRPսеһ
Ϊ˻øߵġӢÿߡҪöٹ
ʵ⡣ػӰȻضʱĲ
ΪؼġƵҲǵźܴԶѾܱܲա
ߵҲ뿼ǽȥʵģһ㹻߶ȵ
ߣƥ䣩ʹQRPźQRO QRPķ
ʡʣ źš Ⲣʾһûжٸ߶Ƶ
DIPOLE벨żڴͨʱܽԶͨšֻ
ʾCQʱҪŬöԷע⵽㣬˸źű
ҲáʵʵžźǿΪ5 û
ɲΪ569źŸеԺȻԷź599

50mWļСȤ֮еϲС
ʵĵܾCWַսҲ
˳Ȥһõع50mW1520
10ײWASͨݣ״ ǸרעĻȣǿ
ܵġʹ1W5WķWASWACͨд½
DXCCͨ100Ϲң״ȫܵġ дһ
40ײ2W30ͨ42ҡҵǴֱ
40λߡߵ¶ֻ6Ӣߣ2ײ
صNewington, CTյźűRST 569RST 599 Ҳ
յ349źű档

书ʵѡҪڿɽܵĹġӶȺɱ
ƼѧߴmWĵܷʼȻ󣬼һŰѹʷŴ
0.5WԺ5Wšͨ


QRPһҪΪƷ ЩԼĶ
ÿΪΪĳƷӦƷ
ÿǵЩ˰̫ľϡʵһª
ķջϾԲһ۵Ļܶ
ķͼ򵥵һͭϴģҵW7ZOI
ġª



QRPĿʵԴĳ̶ֳ˵ı־ 
㽫粨еʱҪŬʹźƷ豸ࡣ
ûɷchirpyͿ߿clickyCWźš
Щǳ⣬ǿԽҲ뿼ǵķ
Ƶ׵Ĵ еQRPߺԷźегɷ֡
Ϊ˼ԪĿʡǮûмгƵ·һ򵥵
PI˲FCCͨίԱᣬ ൱йߵ
֣Ҫ󡣲ˣ źŵгᵼTVIӸţ
RFIƵţ⡣ӦðQRPɢ40
dBϡ

Щڹ̬solid-state transmitter 
ӹܵԭⲻЧʺܵͣԼ𻵾
ܡǵ迹ӹи迹ֵ
˵һΣֻ迹ƥʱܴʡҲҪס
ܷŴӹܷŴѹܵĵ迹Ծܵ
͹ѹӦĸ߹ӹ෴Եĸߵѹ
С

CWεغ½ضеԲ 5ms½ʱ
ܲûп߿źšǿʾزΡ
ıӰ첨εԪֱûп߿źš

Դڼػ弶弶ļػᵼ
Եĺܴ仯ȷҲᵼ
岻ҲǸƵźţرǹʷŴ
Ƶźţ·Ҳʹźˣ
ǷǳҪġ⵱Ȼʾÿһ·Ӧжҡ
ǣڵ·ԪҪϸǣֱߵĲ֣
ÿһҪڵԴVccRCLC硣 ɢƵ
ͨԴVccڼҴ

W1FB's QRP NOTEBOOKѡ루7

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 100-103

ֻҵߵ簮ڲοBD6CR

ֹԼ

Qֵĵ·ԼӦóΪde-Qingļ
ֹ״ķ磬ܵļ缫Ͻһ10
15ŷķ޸еֹVHF񵴡 һСҲ
ͬá˼ƻVHFUHFĵ·Qֵ HF
ͨ衣˼ͼ4-1A

ǰ۹ĵԴVccҲӦá ͼ4-1Bַֹ
ʩϸڡݵλ뾧ԽԽá
ԪҲӦˡ

ڿܵ£ܷŴϻ
ǷǳҪġ·࿿Ļϣ
Ϳܻᵼ񵴡ҲҪװ
θھϰװ롣 ΪȶVHF
UHFСźŷŴַҪġ2128MHzҲ
ǱġŴԽԼĿҲԽ

ͼ4-1CʹÿѹRFʷŴĴ
缫ԵؽӵĵֹܰVHF񵴲VHFгƵ
˵ݵݿӦǼ缫迹ĵ屶⹤Ƶźʧ
缫迹15ŷķZ = VCEƽ2PoݿXCӦ
òС50ŷķ PoǷŴʣVCEǼ缫Է伫ֱ
ѹˣ7MHzʱ缫·Ӧ380pF

[ͼ4-1·AVHFUHF񵴵ơ FB1muΪ850
顣R1滻1/4W̼ϳ衣·BVcc
磨C1C2R1ӦõġĵΪ25mAµСźŷŴ
R1һΪ33100ŷķ·C1/4W轵Ϳ
ѹQֵķ ߿ô鴮ѹμĽӵ
ˡȶǰʹֵR1ΪR1Ҳһ
RF빦ʡ·DRFŴ·RFC1510
uHڵͬλãֹĵѹD1Q1RFֱ
ֵѹ]

ͼ4-1D˵ĴʱVccߵʩ RFC1
潫ºܴĵѹ·ĸƵȦðӢ
⾶muΪ850ĴŻô56Ȧ ߹ѡ뱣֤
Եĵѹ ͼгֵݡ0.001uFṩЧ
VHF0.1uFݶHFMFã 22uFVLFLFƵ
áЩݰֹƵVHFķŴԼ

ͼ4-1D еѹD1ֹQ1ԼSWRΪ
ȫֵĸ߷ֵѹ𻵡 D1ҲVccϿ
ڵΣյļ塣D1ڲݿɿ缫·ݡ
СӰHFεķŴܡD1ֱݵѹRFֱ
ѹſʼͨݵͨѹȶѹѡľ鹫ʽ
ԼVCE סŴźʱQ1缫Ҳڷ
ﵽԴѹˣ24Vѹܲʺϴ˵·

ֲ

༶ƲǼ¡ҵమ߰־ļƪ
ƴһֹúǳе¡ӹһ
ھ˵Ǻġһ棬̫СRFᵼ
ʵ͡£Ҫоֲܵ˽Ҫ
빦ʣPinñƵʣPo ʹ
ǿþܱͣô빦Ҳʹ
ʱһ㣩ļ缫üײ
г¾ܿܺܿջ١

һֿеŻ𼶲ԡʾRF̽ͷӵѹ
۲·迹ȵĵΪն˵衣
ֱ⼶ûйӡȻµʣʹ
Сڱ͵㡣ʹÿźŸɾҲֹ𻵡

խŴ

ҲɿŴխŴԡÿһֶ
ŵ㡣ʹÿŴʱʶ滻ˣ
խŴ12dBͬľͬĹƵ
Ŵֻ8dB档 խŴ롢
ѡƵ·ķŴ

խRFŴȿŴײȶΪխŴи
ߵ棬ҲΪûкƥáʧ״
ĵ·ƵĽҲΪʲôǲܰѵӹܵƼ
ܵԭ֮һ

Ŵʺ϶ζлΡǿŴг
˲Ҫлͼ4-2һһխRFŴ

[ͼ4-2ŴAխŴBӡ AͼT1
T2ѡƵBͼT1PIгڹƵʡ ѡƵ
ѹ綼ӦƳ뾧ܵ迹ƥ䡣]

W1FB's QRP NOTEBOOKѡ루8

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 103-105

ֻҵߵ簮ڲοBD6CR

ͼ4-2Aĵ·ʹÿѹһ˵Щ
оŻBALUNо MFHFоӦгʼ
800900ʼΪ125ĴоʺVHFŴоΪ͵
ʲʺѹ͵ʾڱѹΧĵƵ
ʶΪ˻úʵܱƹȦ

ͼ4-2ķŴƫC״̬ʵϣߵκһ
ͨѹT1μԾܵĻ +0.7Vҵ
ƫʹ֮ABࡣ

ԿŴAABࣩCŴٵг
ԷŴûбʧ棬Բ˼г
˲ٶûʧġ CŴ෴ģ϶
г CŴļ缫ѹ۲쵽ڻƵ1015dB
κгΪʲôTVIRFIԭ򣬾
ֻһߡгã
ͻ֡κ¶һŴʡԵЧ
г˲ԺCŴˡ

ܹ¶

ԴԪĵˡ԰뵼˵ˡĳ
ضľܻջǰܳܶȡĽ¾
ȫĹʺɢûкܷİ취ڲ¶ȣ
Ҫע¶ȡЩƵĹ¶ȿԺܸߣһ
ƫڸݾ⡣ܵȵȥ
ȡʩ¡ҪɢƬҸõɢȴʩֻҪ
̵ָڹȥȽȣҲеġ
ԷȣҾ͸ӷġ㹻ɢȴʩʹ
ʱû¶߻ֻһ㷢ȣǾͷǳȫˡ

ʹɢƬľҪɢƬȽϡɢ
ƬĽӴҪƽҹ⻬Ա֤õȽϡڽװ
ɢƬȥ֮ǰڽӴͿһ㱡ɢȻп
֬

Сܷ⾧ܣ2N2222PN2222һ㻷ճϼһ
СƬͭͭƬǡƬӦڻճϼ̻֮
ǰסǡùͭͭĶ̹ΪСܵɢ
Ƭûճϼϡ

ѡƵʹ

ڹרŸƵþܣҲΪ˻Ѳ٣ʵ
ǼнֹƵfTߵľܡƵʹ
ܺùΪRFŴfT100MHzMFHFƵϹ
൱áԵѡ񷽷ѡfTΪ5Ƶʻ5ϵĹӡ
ʵϣfTһҲܽܣֻҪ͡fTǾΪ
1ƵʡfTֳܱźʧǷŴ

ЩܱΪٿعܡֻҪfT㹻һζЩ
ҲڸƵŴһҪΪõĸƵػƵŴ
ܣҪкСڲݺڲ裬ΪЩԪһ
ʱ䳣RCԽʱ䳣ԽЧƵҲԽ͡
ԶҲ

W1FB's QRP NOTEBOOKѡ루9

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 105-107

ֻҵߵ簮ڲοBD6CR

ҲӦʶõVce缫伫ѹ PD
ʺɢ+12VRFŴѡVceΪ30Vߵľ
ܡ缫RFźŰڷṩڷΪVce PD
漰빤ѹ25϶µһ
̬缫ָꡣκ¶ܳ

PDһһ⣺ ܵPDΪ10WRF
ֱ빦жΪ˰ȫһֱ
75%PDСˣ10Wľһֱ빦
ڲ7.5WЧRFŴʽһܻ
3.5WRFʡRFŴ50-60%Чʣ
ĽCŴ70%Чʡ

һRFôSWRפȣܡ ЩܱЩ
ΪBETballasted-emitter transistor ʵϣ˫
ͬһγɡڲܻͼ缫ӡÿ
伫һڲ1ŷķ裬 ӷ伫ĵһ
γɵһ伫ˡЩãֹĳ
ܵԸΪ˸߼ۣ BETRFʷŴ
ܡ˵BETܳܿ··״𻵡 
ڱ£ͼ4-1D˽⣬ SWRʱѹܴӼ缫
ԵŽ֤RFŴаȫʹ÷BET
ܡ

ΪһʵİߣֵûʱӰ뵼̴
ȡֲᡣܲĻӦͼ˽ԡҷ
޼֮Motorola RF Device Data Book  Motorola
Small-Signal Transistor Data Book Motorola˾Щ飬
ַP.O. Box 20912, Phoenix, AZ 85036 ƵҲ
뵼̣Ұ뵼幫˾Siliconix˾

Сźžܣ2N22222N4400õQRP RFʷŴ
磬2N44002N4401+12VԴ0.5Wʡ
ЩӲԻøߵĹʡҪӦãҪڷ伫
֮1ŷķ1/4W衣 Щ費Ҫõ·
ΪСĸЧֵĸᵼ¾
潵ͣҲܲȶһ2N4400·Ǻܺõ 1W RF
Ŵܴ󽵵ͷŴļ۸ΪЩ10һ
7MHzƵδһ2N44011.25W ȻԹӵİ
ȫھһƬСɢƬʹõ2N4400
2N44010.75WɢƬһ3/8Ӣ糤1/4Ӣھͭܡ
ѹͭܣʹ֮뾧ܽܽӴɢƬڲûճϼ
Ա̶⵼⡣



ѣthermal runawayŵЧӦӦ 
ܿΪڲջ١ЧӦþչ
û㹻ɢȴʩɡκһ
£׶¶ҲԽ
ܵյԽڲҲԽࡣһֱ
ȥֱջ١ۻ뵼PNᵼ¶·һ棬
ѹ뵼PNᵼ¶·ܻͨܵ
żжǷ𻵡ж𻵵ԭ㹻ɢȿ
Ͱȫɷֹѡ

W1FB's QRP NOTEBOOKѡ루10

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 107-109

ֻҵߵ簮ڲοBD6CR



ҪʶƵܵĹضƵ¶ġһ
Ƶʡ磬ĳض10WƵʹ30M
HzΪ13dB ڸ30MHzƵῪʼ½Ƶʸ
ߣֹƵfTյΪ1ǽ͹Ƶʣ
෴ʹܵĹ泬13dBŴԽߣ
Խ벻ȶ˵Ƶÿһ룬˫
Ƶʾܵ6dBԣ30MHzʱ
Ϊ13dB15MHzʱΪ19dB 7.5MHzʱ
ߴ25dBܹȷŹƵʽͶߣ
ֵͬӻᵼ⡣˵ǣ
FET һּ򵥵Ľǽ루
ʣʹ缫ڰȫΧڡ õİ취ǰ W1FB's
Design Notebookнܵļ븺Ϊ磬
ʹfTµʻһ¡ЩڹʷŴ
ʹ磬ʹϵ͹Ƶʵʽ͡Щ
ԺԪڹƵʵĸ߶ˣЩԪͷŴ
˵ǡɼġ



˫͸Ƶʹܵȷ湤Ƶʵ
仯˵ʲôãһ1.829MHz
Ŀ磬Щݾͻֵ⡣
ƥŴʱҲܺЩ⡣رģӦðѾ
յƥУⲻݿƻƥܡ
еֳܸߵݿ1000pFߣܵ˵
ͬƵµݿҪ͵öࡣ

ҲӰRFѹܣرڸ߹Ƶʱ
ݿھܵĻͼ缫ܵ
SWRһεģʹùFETΪƵʷŴʱ
ܴ⡣

ʹùFETΪƵŴ

ʹùFETΪƵŴͻŵ㡣 ǰ
ܹƵΣFETֳȶݿ ң
FETٲƻԵѡ

FETһŵͬҪС빦ʡ 
ңFETĸߴгķȱ˫ܵͣرFET
ƫʱ Ӵѧ۵Ͽǿ԰ѹFETǲ
ƥѹSiliconix˾ӦùʦEd Oxner, KB6QJ
θҽ͹

FETԸƵѹ˫ԸƵʼFET
դֻ΢ҲΪ𻵵ԭںܵ͵դ
FET迹ǳ դûнԪ
1Mŷһ棬 FET迹뾧ܲࣨͣ
迹©VdsĺZ = Vds x Vds / 2PoPo
ʣλߣ

ʹùFETʲôáһFETرײVHFԼ
һҪդ˽һЩ͵ de-Qing·Ƶ·
VHF񵴡 һ1015ŷ1/4W޸еҲɽդֹ
񵴡

FETդԹķ壨P-PѹСİڷӦ
30V P-PڡߵĵѹդԵ㵼ڲ· Щ
FETڲ˱õѹܡ ŽդԴ
һЩFET©Դڲѹܣ Ϊ©Դ
ѹЩѹĳ̶ֳõ϶Ƶ
һЩʹⲿդ-Դ©-Դѹܱ𻵡
ⲿդѹܳɶʹãӣṩͷҵѹ
Ƕơʹ15V 400mWѹΪ;ͼ4-3

͵ģⲿ©-ԴѹܲVddȶѹ
FETĹѹΪ+24VѹӦΪ4850Vѹܽ
ӵ©·Уѹݵѹͨ
FET©-Դѹֵ⣬統SWR߻Լͻ

[ͼ4-3FETƵŴӡ 迹R2ֵR2
ֵԽСҪԽD1D2Թߵդѹ
бD3ߵ©-Դ𻵣֣ R4
Ҫդѹƫã ƫһ+1+6VT1Ϊ
ƥѹR1VHFƵ衣]

W1FB's QRP NOTEBOOKѡ루11

W1FB QRPʼǣڶ棩
 Doug DeMaw, W1FB
ߵмˣARRL

pp 109-110

ֻҵߵ簮ڲοBD6CR

ͼ4-3˹FETŴһʵõ·ӵQ1դƫþ
ʽCŴƫá ԹʽAABBࣩ
Ҫƫá դСFETդƫѹ
ѹR3R422uFݱ֤㹻̶ƫõѹD1D2D3
Ƶȶ·вҪǣȱߣ
ṩЧı·Żǿȥ

ͼ4-3Q1迹ͨR1ߡ һդ
ѹڷ£迹ԼߣĸƵԽСȻ
迹ߣŴǱڵĲȶҲӡҲƼR1
300ŷ

ǸƵFETMFHFܺáIRF511һ۵ĿFET
10MHzڹá һЩƵFETʺ30MHzڡ
Ҫͨʵ˽ĳضFETڸƵ Ƶ;Ĺ
FETҲУǰ

FETҪƹ+24VߵԴѹ +12V
ԴЧʻܲΪ˻㹻ĹʣҪͨӵĵ
ⲢQRP⡣ ƣҲų
+12VʹõĿԡԸܵʣһդ
ƫõƽʹFET

ѡRFĹFETʱҪоԡ RDSon©-Դ
裩ԽͣƵܻٿԽá 1ŷͷǳã
0.25ŷ͸áRDSFETͨʱЧ衣磬MTM25N10
RDSֻ0.07ŷ

Ԫ

ǵ߾ԪֺءRF
ߺ͵߶ǸԵġЩĸпVHF񵴣 Ҳ
ΪƥͱѹߵһֵСɢпı·
رHFƵ׵ĸ߶ˡ

·嵼ӦԽԽá߿ԽɢԽС
·ĴӵƵԽԽáٸƵػ·


Ŵʹ˫··ȶԡԪͭΪ
ӵأͬʱ뺸ĵ߹СĵݡЩ
·VHFȶԡ ĽӵͭӦڲͬļ
Ԫͭӡ ڵ·ıԵUεͭͭ
Ƭӵͭӡ

˫岢ʺVFO· ·嵼߹ɵĵ¶ȵı仯
仯VFOƵƯơ

ܰѷĵ·ֱ߲֡磬ƻ
һúܽһγɼϣᵼһͬʱԼ

[QRPֵѡ뵽˽ˣ еW1FB's QRP NOTEBOOK
ѡ빤Ҳ˽ BD6CR10ҵʱ
ɡṩҵߵ簮Ϊοδñͬǰ
벻ҪתأҪҵ;еɴ˴
һкڴϵѣдʵûа
ϣⱾȫ룬ҷ
ңҵemailַ bd6cr@qsl.net ллҵ֧֣]



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˲ͨĶߵ־Ż˽רҵ֪ʶġ
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λӻԾڶйҵߵ̳ͬʱҪ
ߵ־վ http://www.radio.com.cn/ Ҳһ
ͬҪǻԹעBBS-ߵ̳
    ߵ̳λ http://www.radio.com.cn/bbs/ 
ۺϰ桱͡DIY棬 ĿǰѾ7000ӡ
ȫʮƵ˫ߴҵߵͨʵ鼰ȻĽչ
ߵ̳漰ҵߵݷӿ϶ռࡣ

    ߵַ̳ http://www.radio.com.cn/bbs/



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