Title: ???? 144/430MHz?5~50W
1???????????
- ???????
- ??????
- ??3
- ??18?6?30?
23.????
- ???????????????
- ?????
- ?????
- ??????
- ?????
- ???(????????)
33.????
- ???????????
- ???? 144/430MHz?550W
- ???? FM?????????SSB????
- ????????? -60dB??(144/430MHz?)
- ??????? 40dB?? ???????? 40dB??
- ???? 144MHz? SSB/CW??????????????
- 144MHz? FM?????????????
- ???? SSB/CW-19dBµ??/FM-15dBµ??
- ??? SSB/CW2.3kHz (-6dB)??/4.2kHz(-60dB)??
- FM15kHz(-6dB)??/30kHz(-60dB)??
- ????? 2.0W??(8O?10??)
43.????
53.????
63.????
?????????G ? G A/(1-Aß) 1-Aßgt1???G ?A
?????????????????? 1-Aßlt1???G ?A
??????????????????????????????????????
73.????
Z
Z (1 - ?2LC2) / j?(C1C2-?2LC1C2) ?????
??? ß Z / (RZ)1/j?C2 / (j?L 1/j?C2) 1
/ j?(C1C2-?2LC1C2)R 1 - ?2LC1 ??A
-R2/R1??????????????C1C2-?2LC1C2 0 ??
v(C1C2) / LC1C2 ???????????? Re(Aß)
(R2/R1)(C1/C2) 1????R1C2R2C1
83.????
??????? ?1/v(L1L2)C ??????
(R2/R1)(L1/L2)1 ???R1L2 R2 L1
93.????
??????????????????????????? ?????(????)
???????????(Passive Mixer)???????,FET
(????)????????????(Active Mixer)????
103.????
113.????
vm(Vc Vs cos st)cos?c tVc (1mcos st)cos?c t
???mVs/V(A-B)/(AB)???????? ????????
123.????
133.????
???????????????????????????????????????????????Ck
vs(t)
143.????
153.????
????????????????
163.????
173.????