USDR SDR ¼Û¼ö½Å±â ¸ðµç ¸ðµå HF ÇÜ ¶óµð¿À 8 ¹êµå 80M/60M/40M/30M/20M/17M/15M/10M QRP USB, LSB, CW, ¿ÀÀü, FM ¼Û¼ö½Å±â
¼³¸í:
USDRÀº ¿ÀÇ ¼Ò½º ÀÛ¾÷ uSDX/QCX-SSB ±â¹ÝÀ¸·Î ÃÖÀûÈ ¹× ¼öÁ¤µË´Ï´Ù.
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-8 ¹êµå Ä¿¹ö¸®Áö 80m/60m/40m/30m/20m/17m/15m/10m
-°íÁÖÆÄ È¸·Î ¼³°è ¿øÄ¢¿¡ µû¸¥ ¿ì¼öÇÑ PCB ·¹À̾ƿô ¼³°è·Î ¿ì¼öÇÑ ¼º´ÉÀ» º¸Àå
-8 ¹êµå¿¡¼ 3-5W Àü¿ø¿¡ µµ´Þ ÇÒ ¼ö ÀÖÀ¸¸ç ¾÷±×·¹À̵忡 ÇÊ¿äÇÑ TO-220 ÆÐÅ°Áö Æе带 ¿¹¾à ÇÒ ¼ö ÀÖ½À´Ï´Ù
-³ôÀº ¹æÃâ È¿À², 80m/60m/40m/30m/20m È¿À²Àº 85%, 17m/15m È¿À²Àº 80% º¸´Ù ³ô½À´Ï´Ù. 10m È¿À²Àº 70% º¸´Ù ³ô´Ù
-KDS ºê·£µå TCXOÀÇ °íÁ¤¹Ð, ÁÖÆļö Á¤È®µµ°¡ 1PPM º¸´Ù ¿ì¼öÇÏ°í ÁÖÆļö ¾ÈÁ¤¼ºÀÌ 0.5PPM º¸´Ù ¿ì¼öÇÕ´Ï´Ù
-ÀÚü ½ÅÈ£ °£¼·À» ÇÇÇϱâ À§ÇØ µ¶¸³Àû ÀÎ ÄÚ¾î º¸µå ¹× RF º¸µå.
-¿ïÆ®¶ó ½º¸ô »çÀÌÁî: 83x38x124mm (µ¹Ãâ ºÎÇ° Á¦¿Ü)
-dzºÎÇÑ ÀÎÅÍÆäÀ̽º (CAT, PTT OUT, ¸¶ÀÌÅ©/Å°, K-Çìµå ¸¶ÀÌÅ©)
-¸ðµç LPF ºÎÇ°Àº 100V C0G/NP0 Ä¿ÆнÃÅ͸¦ »ç¿ëÇÕ´Ï´Ù
-Á¤Ç° ¿À¹Ç·Ð ¸¶±×³×ƽ ·¡Äª ¸±·¹ÀÌ »ç¿ë
-Á¤Ç° LM4562 ¶Ç´Â LM833 op ¾ÚÇÁ Ĩ »ç¿ë
-ijºñƼ°¡ÀÖ´Â ³»Àå ½ºÇÇÄ¿
-BNC ¾ÈÅ׳ª ÀÎÅÍÆäÀ̽º
±â´É ¸ñ·Ï:
-DSP ¹× SDR ±â´ÉÀÌ ³»Àå µÈ °£´ÜÇÏ°í Àç¹Ì ÀÖ°í ´Ù¾çÇÑ QRP SSB HF Æ®·£½Ã¹ö
-EER Ŭ·¡½º-E ±¸µ¿ SSB Àü¼Û ´Ü°è
-13.8V °ø±Þ ÀåÄ¡¿¡¼ ¾à 5W PEP SSB Ãâ·Â
-¸ðµç ¸ðµå Áö¿ø: USB, LSB, CW, AM, FM
-DSP ÇÊÅÍ: 4000, 2500, 1700, 500, 200, 100, 50Hz Æнº ¹êµå
-DSP ±â´É: ÀÚµ¿ °ÔÀÎ Á¦¾î (AGC), ³ëÀÌÁî °¨¼Ò (NR), À½¼º Æ®¸®°Å Xmit (VOX), RX °¨¼è±â (ATT), TX ³ëÀÌÁî °ÔÀÌÆ®, TX µå¶óÀ̺ê Á¦¾î, º¼·ý Á¶Àý, dBm/S-¹ÌÅÍ
-SSB ¹Ý´ëÆí »çÀÌµå ¹êµå/ij¸®¾î ¾ïÁ¦ Àü¼Û:-45dBc, IMD3 (ÅõÅæ) -33dBc, ¼ö½Å:-50dBc º¸´Ù ³´´Ù
-¸ÖƼ ¹êµå Áö¿ø, 160m-10m ¹êµå (¹× 20kHz .. 99MHz ¼º´É ¼Õ½Ç) ¸¦ ÅëÇØ Áö¼ÓÀûÀ¸·Î Æ©´× °¡´É
-Arduino¸¦À§ÇÑ IDE·Î ³»Àå µÈ ¿ÀÇ ¼Ò½º Æß¿þ¾î; ½ÇÇèÀ» Çã¿ëÇÏ°í, »õ·Î¿î ±â´ÉÀ» Ãß°¡ ÇÒ ¼ö ÀÖÀ¸¸ç, Github, ¼ÒÇÁÆ®¿þ¾î º¹À⼺À» ÅëÇØ ±â¿©¸¦ °øÀ¯ ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÄÚµå 2000 ÁÙ
-ºü¸¥ Àüü ħÀÔ (QSK ¹× ¼¼¹Ì QSK ÀÛµ¿) À¸·Î »ç¿ëÇÒ ¼öÀÖ´Â ¼ÒÇÁÆ®¿þ¾î ±â¹Ý VOX ¶Ç´Â µðÁöÅÐ ¸ðµå ÀÛµ¿ (CAT ¶Ç´Â PTT ÀÎÅÍÆäÀ̽º ÇÊ¿ä ¾øÀ½), TX Áö¿¬ ±â´ÉÀÌ ÀÖ´Â ¿ÜºÎ PTT Ãâ·Â/PA Á¦¾î¸¦ À§ÇÑ RX/TX Àüȯ Áö¿ø
-8 °¡Áö ±¸¼º ¿ä¼Ò º¯°æ ¹× 8 °³ÀÇ ¿ÍÀ̾î·Î °£´ÜÇÑ ¼öÁ¤ ¼³Ä¡
-°¡º±°í Àú·ÅÇÑ Æ®·£½Ã¹ö ¼³°è: EER-¼Û½Å±â Ŭ·¡½º-E ´Ü°è·Î ÀÎÇØ Àü·Â È¿À²ÀÌ ³ô½À´Ï´Ù (ºÎÇÇ°¡ Å« ¹æ¿ÆÇ ÇÊ¿ä ¾øÀ½). ´Ü¼øÇÑ µðÀÚÀÎ (º¹ÀâÇÑ ±ÕÇü ¼±Çü Àü·Â ÁõÆø±â ÇÊ¿ä ¾øÀ½)
-¿ÏÀü µðÁöÅÐ ¹× ¼ÒÇÁÆ®¿þ¾î ±â¹Ý SSB Àü¼Û ´Ü°è: ¸¶ÀÌÅ© ÀÔ·ÂÀ» »ùÇøµÇÏ°í SI5351 PLLÀÇ À§»óÀ» Á¦¾îÇÏ¿© SSB ½ÅÈ£¸¦ À籸¼ºÇÕ´Ï´Ù (800kbits/s I2C ÀÌ»óÀÇ ¹Ì¼¼ÇÑ ÁÖÆļö º¯È¸¦ ÅëÇØ). ¹× PAÀÇ ÁøÆø (PA Å° Çü¼º ȸ·ÎÀÇ PWMÀ» ÅëÇØ)
-¿ÏÀü µðÁöÅÐ ¹× ¼ÒÇÁÆ®¿þ¾î ±â¹Ý SDR ¼ö½Å±â ´Ü°è (¿É¼Ç): Á÷±³ »ùÇøµ °ËÃâ±â µðÁöÅÐ ¹Í¼ÀÇ »ùÇà I/Q (º¹ÀâÇÑ) ½ÅÈ£, ¼ÒÇÁÆ®¿þ¾î¿¡¼ ¼öÇÐÀûÀ¸·Î 90 µµ À§»ó À̵¿À» ¼öÇàÇÏ°í (Hilbert-transform) ÇÑ »çÀÌµå ¹êµå¸¦ Ãß°¡ÇÏ¿© »ó¼âÇÕ´Ï´Ù.
-3 °³ÀÇ µ¶¸³Àû ÀÎ Àüȯ °¡´ÉÇÑ ¾Æ³¯·Î±× ÇÁ·ÐÆ® ¿£µå ¼ö½Å±â °¨¼è±â (0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB)
-¼ö½Å±â ¼ÒÀ½ ¼öÁØ MDS: -28MHz (200Hz BW) ¿¡¼ 135 dBm
-¼ö½Å±â ÇÁ·ÐÆ® ¿£µå ¼±Åõµ: Æ©´× µÈ ÁÖÆļö¿¡¼ °¡Æĸ¥-45dB/10 ³â ·Ñ¿ÀÇÁ +/-2kHz
-Â÷´Ü µ¿Àû ¹üÀ§: 20kHz ¿ÀÇÁ¼Â 123dB, 2kHz ¿ÀÇÁ¼Â 78dB
-CW µðÄÚ´õ, ½ºÆ®·¹ÀÌÆ®/Iambic-A/B Å°
-VFO A/B + RIT ¹× ½ºÇø´ ¹× I2C ¸¦ ÅëÇÑ ÇØ´ç ¸±·¹ÀÌ ¹êµå ÇÊÅÍ Àüȯ
-CAT Áö¿ø (TS480 ÇÏÀ§ ¼¼Æ®)
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