| l?é?ú47MHz?á870MHz?μ???ú?Y±??μμà￡¨°üà¨??21?μμà￡?￡?ê?3??μμàóé?÷?ú?￠μ??????? |
| lLCDòo?§??ê?é??μ?μ?ê?￠í???/°éò??D?μ?μ?ê?￠êó?μμ÷???è?￠ò??μμ÷???μ??￡?é??μê?3?μ???￡?A/V±èμè |
| láú?μéè???￠èy′?±??μ?￠?D?μ′|àí?￠×ü??????￡?é??μê?3?2éó??￡?é·?′ó￡?è·±￡é??μê?3??ˉì?oí??éúò??? |
| l?D?μ38(38.9)MHz2éó??§ì???μ′?￡??éù±í??2¨?÷￡¨SAW￡?′|àí￡?ê1??D???±è??￡??￠·???ò??°?￠·??à??D? |
| lí??????μoí°éò????μ?ù2éó??àá￠PLL?μ?êo?3é￡??μ?ê?è?¨?è?? |
| l2éó??àì?μ??t??1ü????oa￡???D?o??￠??éùμí￡?μ÷???÷μ?D???±è￡¨S/N￡??￠????±è￡¨C/N￡??￠?￠·??à??￡¨DP￡?μè??±êò?′?μ?1ú?ê?è?????? |
| lè??ú???°1|?ü￡??é°′??°?òo?§??ê?áé??2ù×÷ |
| l??óDêó?μAGC1|?ü,è?êó?μ?aAGC×′ì?ê±￡?′?ê±μ÷???è×??ˉμ÷???a87.5% |
| l?D?μ?￠êó?μ?°?D?μò??μ?ó?ú￡??éó?óúμ?êó?óè???·?óD??μ?êó?μí3￡?óé??oí·?óé???é???a1?±?óúêó?μ?óè? |
| l??óDé??μ×??ˉ?è·ùμ??·￡?ê1?°???μí31¤×÷?ü?è?¨?é?? |
| l??óDRS-485í?1ü?ó?ú￡??ó?úêμ??±?μ??ò??3ì×′ì??à??￡??§3?SA ROSA/TNCSí?1ü?μí3 |
| l2éó?19ó￠′?±ê×??ú???àá￠μ??′1?μ?￡?íaDí?à1?￡???ì×áé?? |
欢迎到
点击图片查看原图
