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![](https://ae01.alicdn.com/kf/S556a7d06ff004d47bd051cc4216cde9dT/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) ![](https://ae01.alicdn.com/kf/S86841aebd13f4320aafdf7606f683b02k/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) ![](https://ae01.alicdn.com/kf/Sba6a3ae0a376477992d94e33d0912c51M/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S556a7d06ff004d47bd051cc4216cde9dT/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) ![](https://ae01.alicdn.com/kf/S86841aebd13f4320aafdf7606f683b02k/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) ![](https://ae01.alicdn.com/kf/Sba6a3ae0a376477992d94e33d0912c51M/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg) ![](https://ae01.alicdn.com/kf/Sb99f713ef90d48d8997d5a129b38b428c/USOTA-ATU-SDR-8-HF-QRP-CW-ATU-100.jpg)
- ±Ù¿ø: CN (Á¤Ç°)
- ȣȯ Ä«¸Þ¶ó ½ºÅ¸ÀÏ: Æ÷ÀÎÆ® ¹× ÃÔ¿µ Ä«¸Þ¶ó
- Áõ¸í¼: NONE
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USDX_ATU: 1. uSDX: HF QRP SDR Æ®·£½Ã¹ö: usdx´Â Guido pe1nnzÀÇ ¿ÀÇ ¼Ò½º ÇÁ·ÎÁ§Æ® uSDX/QCX-SSB ±â¹ÝÀ¸·Î ÃÖÀûÈµÇ°í ¼öÁ¤µË´Ï´Ù. Usdx´Â ´ÜÆÄ QRP SSB/CW Æ®·£½Ã¹öÀÔ´Ï´Ù. 1602 LCD ȸé°ú ÃʼÒÇü Å©±â·Î ÈÞ´ë°¡ °£ÆíÇÕ´Ï´Ù. 2. ATU: (ÀÚµ¿ ¾ÈÅ׳ª Æ©³Ê À¯´Ö): ÀÚµ¿ ¾ÈÅ׳ª Æ©³Ê À¯´ÖÀº ÃÖ´ë 10 ¿ÍÆ®ÀÇ QRP ÀÛµ¿À» À§ÇØ Àû¿ë µÈ n7ddcÀÇ ¾Ç¸í ³ôÀº 7X7 ATU100 ÀÚµ¿ ¾ÈÅ׳ª Æ©³Ê À¯´ÖÀÎ David Fainitski ¼ÒÇü º¹Á¦ÀÔ´Ï´Ù. USDX_ATU ¼º´É Ư¼º: 1. uSDX:8 ¹êµå: 3.5MHz; 5.3MHz; 7MHz; 10MHz; 14MHz; 18MHz; 21MHz; 29MHz. ¹æÃâ È¿À²: 85% ( 3.5MHz, 5.3MHz, 7MHz, 10MHz, 14MHz) º¸´Ù ³ôÀ½, 80% (18MHz ¹× 21MHz) º¸´Ù ³ôÀ½ 29 mhzÀÇ °æ¿ì 70% º¸´Ù ³ô½À´Ï´Ù. Pc¿¡ ¿¬°á, FT8, JS8, FT4 ¹× ±âŸ µðÁöÅÐ ¸ðµå ¼ÒÇÁÆ®¿þ¾î Á¦¾î »ç¿ë, CW ÀÚµ¿ µðÄÚµù Áö¿ø 8 ´ë¿ª¿¡¼ 3-5W Àü·Â¿¡ µµ´Þ ÇÒ ¼ö ÀÖÀ¸¸ç PA ¸ðµâ (TO-220) À» ÀÚÀ¯·Ó°Ô ¾÷±×·¹À̵å ÇÒ ¼ö ÀÖ½À´Ï´Ù. KDS ¿ë °íÁ¤¹Ð TCXO, 1PPM º¸´Ù ¿ì¼öÇÑ ÁÖÆļö Á¤È®µµ, 0.5PPM º¸´Ù ³ôÀº ÁÖÆļö ¾ÈÁ¤¼º. µ¶¸³ ÄÚ¾î º¸µå, RF PA º¸µå ¹× ATU º¸µå, ÀÚü ½ÅÈ£ °£¼·À» ÇÇÇϱâ À§ÇØ. ÃʼÒÇü: 100x90x57mm/3.9x3.5x2.2 ÀÎÄ¡ (µ¹Ãâ ¾øÀ½)
¸ðµç LPF ºÎÇ°Àº 100V C0G/NP0 Ä¿ÆнÃÅ͸¦ »ç¿ëÇÕ´Ï´Ù. LM4562 ¶Ç´Â LM833 ¶Ç´Â LT6231 ¿¬»ê ÁõÆø±â Ĩ »ç¿ë dzºÎÇÑ ÀÎÅÍÆäÀ̽º: ÇìµåÆù, PTT Ãâ·Â, MIC/PTT, SPK/MIC BNC ¾ÈÅ׳ª ÀÎÅÍÆäÀ̽º (BCN-SL16 ¾î´ðÅÍ Æ÷ÇÔ) ¿ÜºÎ Àü¿ø °ø±Þ ÀåÄ¡: 12.6VDC (13.8VDC Àü¿ø ¾î´ðÅÍ) 2. ATU: ÃÖ´ë Æ©´× ÀδöÅϽº: 8.42zb h ÃÖ¼Ò Æ©´× ÀδöÅϽº: 0.05μH ÃÖ´ë Æ©´× Ä¿ÆнÃÅϽº: 1869pF ÃÖ¼Ò Æ©´× Ä¿ÆнÃÅϽº: 10pF USDX_ATU ½Ã½ºÅÛ ±â´É: Àüü ¸ðµå Áö¿ø: USB, LSB, CW, AM, FM ¸ðµç µðÁöÅÐ ¹× ¼ÒÇÁÆ®¿þ¾î ±â¹Ý SDR ¼ö½Å ä³Î ¸ðµç µðÁöÅÐ ¹× ¼ÒÇÁÆ®¿þ¾î ±â¹Ý SSB Àü¼Û ä³Î ¼ö½Å °¨¼è±â: 0dB, -13dB, -20dB, -33dB, -53dB, -60dB ¹×-73dB DSP ÇÊÅÍ ´ë¿ªÆø: 4000, 2500, 1700, 500, 200, 100 ¹× 50Hz ¼ö½Å ¹è°æ ¼ÒÀ½:-28MHz (BW = 200Hz) ¿¡¼ 135dBm ¼ö½Å±â ÇÁ·±Æ® ¿£µå ¼±Åüº: Æ©´× ÁÖÆļö-45dB/decade roll-off +/- 2kHz SSB/ij¸®¾î ¾ïÁ¦: Àü¼Û, 45dBc º¸´Ù ¿ì¼ö, ¼ö½Å, 50dBc º¸´Ù ¿ì¼ö DSP ±â´É: ÀÚµ¿ °ÔÀÎ Á¦¾î (AGC), ¼ÒÀ½ °¨¼Ò (NR), À½¼º Æ®¸®°Å Xmit (VOX), RX °¨¼è±â (ATT), TX ¼ÒÀ½ °ÔÀÌÆ®, TX µå¶óÀ̺ê Á¦¾î, º¼·ý Á¦¾î, dBm/S ¹ÌÅÍ 3 Ãþ PCB: ATU-º¸µå PA-º¸µå: 8 ¹êµå ¸ÞÀÎ º¸µå »ö»ó: ºí·¢ ÀçÁú: ±Ý¼Ó Çöó½ºÆ½
ÆÐÅ°Áö ³»¿ë: 1 x ¸ÞÀÎ À¯´Ö uSDX_ATU 1 x ÇÚµå Çïµå ¸¶ÀÌÅ©
À§ÀÇ ÆÐÅ°Áö ³»¿ë¹° ¸¸, ´Ù¸¥ Á¦Ç°Àº Æ÷ÇԵǾî ÀÖÁö ¾Ê½À´Ï´Ù. Âü°í: ºû ¹Ý»ç ¹× ´Ù¸¥ µð½ºÇ÷¹ÀÌ·Î ÀÎÇØ »çÁøÀÇ Ç׸ñ »ö»óÀÌ ½ÇÁ¦¿Í ¾à°£ ´Ù¸¦ ¼ö ÀÖ½À´Ï´Ù. ÃøÁ¤ Çã¿ë ¿À·ù +/- 1-3cm.
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