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Òåìà: Èçìåðèòåëüíûé ïðèáîð OSA103 Mini

  1. #1

    Èçìåðèòåëüíûé ïðèáîð OSA103 Mini

    Ïðåäñòàâëÿþ ñâîþ íîâóþ ðàçðàáîòêó - óíèâåðñàëüíûé èçìåðèòåëüíûé ïðèáîð - USB ïðèñòàâêà ê êîìïüþòåðó OSA103 Mini. Ïðèáîð ñîâìåùàåò ôóíêöèè îñöèëëîãðàôà, ãåíåðàòîðà, ÷àñòîòîìåðà, àíàëèçàòîðà ñïåêòðà, âåêòîðíîãî àíàëèçàòîðà öåïåé, âåêòîðíîãî àíòåííîãî àíàëèçàòîðà, èçìåðèòåëÿ LC, ðåôëåêòîìåòðà, SDR ïðè¸ìîïåðåäàò÷èêà.

    Êðàòêîå îïèñàíèå.

    Îñöèëëîãðàô.
    1 àíàëîãîâûé + 4 öèôðîâûõ êàíàëà + âèðòóàëüíûé àíàëîãîâûé êàíàë ãåíåðàòîðà. Âõîäíîå ñîïðîòèâëåíèå àíàëîãîâîãî êàíàëà – 50 Îì, ïîëîñà ïðîïóñêàíèÿ - 1 Ãö .. 400 ÌÃö (òîëüêî çàêðûòûé âõîä). ×àñòîòà äèñêðåòèçàöèè àíàëîãîâîãî êàíàëà â ðåàëüíîì âðåìåíè - 200 ÌÃö, â ñòðîáîñêîïè÷åñêîì ðåæèìå - 10 ÃÃö. Áàçîâàÿ âõîäíàÿ ÷óâñòâèòåëüíîñòü - 0.1 Â/Äåë. Öèôðîâûå êàíàëû ñ íàñòðàèâàåìûìè â øèðîêèõ ïðåäåëàõ ïîðîãîâûìè óðîâíÿìè è íåòèïè÷íî âûñîêîé äëÿ äàííîãî êëàññà óñòðîéñòâ ÷àñòîòîé äèñêðåòèçàöèè â ðåàëüíîì âðåìåíè - 1.6 ÃÃö.


    Ãåíåðàòîð.
    Ôóíêöèîíàëüíûé ãåíåðàòîðà 0.001 Ãö .. 50(100) ÌÃö (äî 50 ÌÃö – ñ íåðàâíîìåðíîñòüþ À×Õ ìåíåå 0.5 äÁ). Îòêëþ÷àåìàÿ êîððåêöèÿ sin(x)/x. Ìîäóëÿöèÿ ÀÌ, ×Ì, ÔÌ, ñóììèðîâàíèå ñèãíàëîâ è äîïîëíèòåëüíûé âñòðîåííûé ãåíåðàòîð ìîäóëèðóþùåãî ñèãíàëà 0.001 Ãö .. 100 ÌÃö, êà÷àíèå ÷àñòîòû ñèíõðîííî ñ ðàçâ¸ðòêîé îñöèëëîãðàôà. Ãåíåðàòîð èìïóëüñîâ 5 íñ – 5 ñ, ãåíåðàòîð øóìà è ãåíåðàòîð ïðîèçâîëüíîé ôîðìû ñî ñêðèïòîâûì ÿçûêîì îïèñàíèÿ îñöèëëîãðàìì.


    ×àñòîòîìåð.
    Ýëåêòðîííî-ñ÷¸òíûé àïïàðàòíûé ÷àñòîòîìåð ðàáîòàþùèé ñî âõîäà ëþáîãî êàíàëà, à òàêæå ïî óñëîâèþ ñèíõðîíèçàöèè îñöèëëîãðàôà. 8 ðàçðÿäîâ â ðåæèìå èçìåðåíèÿ ÷àñòîòû. Ïîñòîÿííàÿ îòíîñèòåëüíàÿ òî÷íîñòü èçìåðåíèÿ ÷àñòîòû âî âñ¸ì äèàïàçîíå (reciprocal counting). Ðåæèì ñ÷¸òà èìïóëüñîâ è èçìåðåíèÿ ïåðèîäà. Òåðìîêîìïåíñèðîâàííû é ïîäñòðàèâàåìûé ñèñòåìíûé òàêòîâûé ãåíåðàòîð óñòðîéñòâà (VCTCXO) c òî÷íîñòüþ ëó÷øå 1 PPM.


    Àíàëèçàòîð ñïåêòðà.
    Ïðèíöèïû ðàáîòû - ÁÏÔ, êîìáèíèðîâàííîå ìíîãî÷àñòîòíîå ÁÏÔ ñ ôîðìèðóåìîé ñïåêòðîãðàììîé äî 1 ÃÃö. Íàñòðàèâàåìûé ðàçìåð, 9 îêîííûõ ôóíêöèé, óñðåäíåíèå è ìàñøòàáèðîâàíèå. Âûáîð åäèíèö èçìåðåíèÿ ïî âåðòèêàëè äëÿ èçìåðåíèé â öåïÿõ ñ ðàçíûì èìïåäàíñîì. Àëãîðèòì òî÷íîãî èçìåðåíèÿ ÷àñòîòû è óðîâíÿ ìàêñèìóìà. ×èñòûé ñîáñòâåííûé ñïåêòð (áåç ïàðàçèòíûõ âíóòðåííèõ ñïåêòðàëüíûõ ñîñòàâëÿþùèõ). Òåõíîëîãèÿ Subtractive Dither.


    Âåêòîðíûé àíàëèçàòîð öåïåé.
    Ïðèíöèïû ðàáîòû - ÃÊ× è ñëåäÿùèé ñèíõðîííûé öèôðîâîé êâàäðàòóðíûé ïðè¸ìíèê. Èçìåðåíèå êîýôôèöèåíòà ïåðåäà÷è ÷åòûð¸õïîëþñíèêîâ. Àìïëèòóäíàÿ è ôàçîâàÿ õàðàêòåðèñòèêè. Ëèíåéíûé è ëîãàðèôìè÷åñêèé ìàñøòàá, íàñòðàèâàåìûé äèàïàçîí. Êàëèáðîâêà ñ ó÷¸òîì ñîåäèíèòåëüíûõ êàáåëåé (àìïëèòóäíàÿ è ôàçîâàÿ íîðìàëèçàöèÿ). Âîçìîæíîñòü ðàáîòàòü â êà÷åñòâå àíàëèçàòîðà ñïåêòðà. Äèàïàçîí ÷àñòîò 100 Ãö .. 100 ÌÃö. Äèíàìè÷åñêèé äèàïàçîí (10 ÊÃö .. 60 ÌÃö) – >90 äÁ.


    Âåêòîðíûé àíòåííûé àíàëèçàòîð.
    Ïðèíöèïû ðàáîòû – ÃÊ× è ñëåäÿùèé ñèíõðîííûé öèôðîâîé êâàäðàòóðíûé ïðè¸ìíèê. Èçìåðåíèå êîìïëåêñíîãî èìïåäàíñà ïîäêëþ÷åííîé öåïè ïî ìåòîäó shunt-thru. Äèàïàçîí ÷àñòîò – 10 ÊÃö .. 100 ÌÃö. OSL êàëèáðîâêà è "ìàòåìàòè÷åñêîå âû÷èòàíèå" ñîåäèíèòåëüíîãî êàáåëÿ. Èçìåðåíèå (âû÷èñëåíèå) ÊÑÂ, Return Loss äëÿ êàáåëåé (ëèíèé) ñ Zo = 25, 50, 75, 100 Îì. Âû÷èñëåíèå è ïîñòðîåíèå ãðàôèêîâ ÊÑÂ, Return Loss, Q, Rs, Xs, |Z|, Ôàçà Z, Rp, Xp.


    Èçìåðèòåëü LC.
    Äèàïàçîí èçìåðåíèÿ ¸ìêîñòè - 0.5 ïÔ .. 30000 ìêÔ
    Äèàïàçîí èçìåðåíèÿ ESR (C > 0.5 ìêÔ) - 50 ìÎì .. 1 ÊÎì
    Äèàïàçîí èçìåðåíèÿ èíäóêòèâíîñòè - 50 íÃí .. 3 Ãí


    SDR ïðè¸ìîïåðåäàò÷èê.
    Ïðèáîð ìîæåò ðàáîòàòü â êà÷åñòâå ïðè¸ìîïåðåäàò÷èêà (DDC/DUC òðàíñèâåðà) ñîâìåñòíî ñ ïðîãðàììàìè öèôðîâîãî ðàäèî ïîääåðæèâàþùèìè ïðîòîêîë Winrad. Ðåæèì ïåðåäà÷è ðåàëèçîâàí â ñàìîì ïðèáîðå è òðåáóåò ïîäêëþ÷åíèÿ âíåøíåãî ìèêðîôîííîãî óñèëèòåëÿ. Òåñòèðîâàëîñü ñ HDSDR, SDRuno, SDRSharp ver 1361, Zeus Radio, SDRSharper. Ðåæèì ïåðåäà÷è ïîëíîñòüþ ïîääåðæèâàåòñÿ â HDSDR. ×àñòè÷íî (íåò àâòîìàòè÷åñêîãî âûáîðà ìîäóëÿöèè ïåðåäà÷è) â SDRuno è SDRSharp ver 1361. Ïîäðîáíåå â îòäåëüíîé òåìå "DDC/DUC òðàíñèâåð íà áàçå OSA103 Mini."


    Îáíîâëåíèÿ ïðîãðàììíîãî îáåñïå÷åíèÿ.

    Èíñòðóêöèÿ ïî óñòàíîâêå è îáíîâëåíèþ ÏÎ íàõîäèòñÿ íà 6 ñòðàíèöå îïèñàíèÿ.


    3.08. Ñëåäÿùèå ìàðêåðû, êîíòåêñòíûå ìåíþ #49
    3.09. Äèàãðàììà Âîëüïåðòà-Ñìèòà #736
    3.10. Ââîä ÷àñòîòû è óðîâíÿ ãåíåðàòîðà öèôðàìè #831
    3.11. Óðîâåíü â dBm, CSV äëÿ ÀÀ #1030
    3.12. Ðàñøèðåíèå ÷àñòîòíîãî äèàïàçîíà #1170
    3.13. Íàñòðîéêà ñìåùåíèÿ ÷àñòîòû ïðè¸ìà è àñèíõðîííûé Fs ðåæèì ÈÀ×Õ #1256
    3.14. Îòîáðàæåíèå ìîùíîñòè è âíåøíèå àòòåíþàòîðû #1308
    3.15. Êëàâèøè áûñòðîãî äîñòóïà. Âíåøíèå ïðîáíèêè, Zo äëÿ ÀÀ. #1503
    3.16. Ìàðêåðíûå èçìåðåíèÿ ÁÏÔ, ÷àñòîòîìåð, øðèôò, öâåòà. #1731
    3.17. Ðàñøèðåíèå ÷àñòîòíîãî äèàïàçîíà, ïîäêëþ÷åíèå ADF4351. #1909
    3.18. Óïðàâëåíèå îáçîðîì ÈÀ×Õ, ÀÀ. Â× ÷àñòîòîìåð, ïðèáîð áåç ïåðåìû÷åê. #2061


    Îáíîâëåíèÿ ÏÎ äëÿ ðàáîòû ñ ïðîãðàììàìè SDR ðàäèî (ExtIO_Osa.dll).
    3.01. DDC ïðè¸ìíèê (ñòàðòîâàÿ âåðñèÿ) #56


    Äàëåå â òåìå "DDC/DUC òðàíñèâåð íà áàçå OSA103 Mini."


    3.02. Ðåæèì ïåðåäà÷è. Èñïðàâëåíèÿ è óëó÷øåíèÿ â ðåæèìå ïðè¸ìà #57
    3.03. Îêíî óïðàâëåíèÿ, êîìïðåññîð ðå÷åâîãî ñèãíàëà #86
    3.04. Ïîääåðæêà ðåæèìà ïåðåäà÷è äëÿ SDRSharp 1361 #102


    Äîïîëíèòåëüíàÿ èíôîðìàöèÿ.

    1. Âûñîêîîìíûé ïðîáíèê #20, #1378
    2. Óìíîæèòåëü ÷àñòîòû (ðàñøèðåíèå ÷àñòîòíîãî äèàïàçîíà ÈÀ×Õ) #1212
    3. Êîðïóñ èç îðãñòåêëà #51, #1367


    Âî âëîæåíèÿõ: îïèñàíèå ïðîãðàììû (äëÿ âåðñèè 3.07), òîïîëîãèÿ ïå÷àòíîé ïëàòû, ñáîðî÷íûé ÷åðò¸æ, ïðèíöèïèàëüíàÿ ñõåìà, ïðîãðàììà (âåðñèÿ 3.07), äðàéâåðû è ïðîøèâêè (Windows & Linux), îïèñàíèå ïðèìåðîâ ïðèìåíåíèÿ, ïðèìåðû ïðèìåíåíèÿ. Âûëîæåííîå ïðîãðàììíîå îáåñïå÷åíèå è ïðîøèâêè ïîëíîôóíêöèîíàëüíûå, íî óñòðîéñòâî çàùèùåíî îò òèðàæèðîâàíèÿ. Æåëàþùèå ñàìîñòîÿòåëüíî ñîáðàòü äëÿ ëè÷íîãî èñïîëüçîâàíèÿ îáðàùàéòåñü â ëè÷êó.

    Îáíîâëåíèå îò 06.02.18

    Osa103_v3_18.zip



    Ïîñëåäíèé ðàç ðåäàêòèðîâàëîñü sgk; 09.10.2019 â 12:53.
    Ñåðãåé, OSA103 website

  2. Ñïàñèáî îò 4k6daz, 4Y, 4Z5JJ, Alex UT4EK, ALEX-52, Alexstar, AlexTAG, AlexZander, Alex_1970, Alex_DPR, alondra, Ammo, Amper, Amw, andrustepan, antowka, ashil, autosat, AversT, avk_ghost, Aëeêñàíäð, Balaganoff, BVN, Chigar, compromis, Constantin007, Ctaryj, dadigor, DerBear, DimmONN, DL1BA, DL9DY, dmitrij-24, dxded, Edifier, edifier1959, elektronshik, espi, Espresso, EU1ABR, eu1af, eu1aq, eu2av, EU4CQ, EU7BZ, eu7ea, EU7X, EvgeniyK, EW1AEI, EW2MS Mikhail, EW3M, EW3MM, EW4RF, ew8cw, ex RA4CJQ, exAlex60, fat2002, Filin-2000, Gadzilla, Geo78, Gert55, grafin, HA3HZ, iHam, ikSS, Integral, IvnGo, kgleb, Kia2700d, kirillih, LEONID2, LEONID_S, Llll, LMHM, long, LY3QN-Jurijus, LZ1NYK, LZ3WW, mastertx, MAWR1963, Meter, michalych, mihail_9y, Mishell, Muxa52, n644nt, Namuso, Neutrinum, NIK1960, nik5, Nikleon, NoName, NTSC, nutrilon, Oleg 9, OM7AVR, osman, PA8MM, paguo-76M2fet, Pentod, powerage, r0ahh, R1BBU, R1CAT, R2AHH, R2AIA, R2AQN, R2DDP, R2DIG, R2DSA, R2DTE, R2IN, R2QM, R3DI, R3KBF Ïåòð, R3KBL, R3NAA, R3PAS, r3rm Serge, R3TO, R4HBC, R4IR, R5AU, R5DT, R5ZX, R6CW_Alex, R6DAN, R6MI, R6OC, R7KGA, R7MX, R7TQ, R8AGK, R9OFG, ra0ahc, RA1CAC, RA2FIM, RA3APW, RA3DOX, ra3gcp, RA3RLQ, RA4HJW, RA4UKJ, RA6ANR, ra6fqq, ra6ljm, RA9LJX, RA9UFH, RA9YON, RC5D, RD1AJ, RD3AUE, RD3Q, RD3ZE, RJ6OM, RK1AT, RK3AQW, RK3BX, RK9AMX, rm4hq, RN3GP, RN4F, RN6LEA, rn6lim, RN6LW, rn6xc, RN9RF, romanetz, RT8B, RTL208, RU0AOG, RU2F, RU3AEP, ru4hx, RU9MN, RV3AM, rv3bj, RV3DKI, rv3nx, RV3VJ, RV9WII, rw3ar, RW3XA, RW6HKB, RX0TX, RX3DKV, RX6CE, RX6DL, RX6LQ, rx9we, SAM, Sasha_1h, Scorpi-zx, Serg, Sergai, serge-rn, Sergei12, SERGEY S., Sergey.ru, sever2k6, Shern, slavny, SNABBER, stanton, Svi2000, Svk, Sysert, tagpin, tolstyk, ua0km, UA0SM, UA3314SWL, UA3AHI, UA3MCH, ua3mse, ua3rft, ua3rmb, ua3thz, UA3UHO, ua4ckb, UA4FTA, UA4NE, UA4NX, UA4YT, UA6AP, UA6ARR, UA6BCB, UA6LGO, UA6XM, UA9FFV, UA9LKK, UA9olb Äèìà, UA9TL, UA9UDQ, uadh, UB3AAZ, UB3APT, UB3DEH, UB7KPV, UB9HCE, UB9YTQ, UC8U, UD6AED, UF3K, uk8adi, UK8AF, uk8laz, UN7GCE, UN7LAP, UN7RX, UnDroid, UR4MDE, ur4mp, ur5got, ur5yfv, UR7HBP, ur7hfo, UR7WAC, us4llu, US5EAZ, UT0UM, ut29641, UT3QI, UT7CO, uu0jr, UW6N, UX0ZW, ux1iw, V!!!, V.R., VA6AM, Valery12, Valery_R, VicMak, victor008sl, vikuz, vins, virskiy, vitalliano, vlad57, Vlad67, Vlad9, VladiGeo, vladimir., vlasova, vld_rx, Vovan-69, wolf1605, wxp, yl2gl, Yurick, Yurij_M, zak, Àëåêñàíäð Ì, Àëåêñàíäð_Ì, Àíàòîëèé.Mel, ÁÅÐÒ, Ãðèãîðè÷, Äìèòðèé_È, Åâãåíèé_vrn, Êàòðàí, Êîñòÿ5656, Ìîñêàëèê, Íàä, Íèêîëîâ, Ïàâåë, Ïåòð_UA0SMC, ïðàïîðùèê, Ñàí Ñàíû÷, ñâ÷, Ñåðãåé 12701, Ñåðãåé Âèêò


  3. #3261
    Ñïàñèáî, Þðèé!

    Èçó÷àþ äîêóìåíòàöèþ, ðàçáèðàþñü ïîíåìíîãó.

    Äëÿ ïðîáû ïîñìîòðåë íà ñïåêòð âûõîäà ãîëîé Si570 ñî ñâîåãî WSPR ìàÿ÷êà. Ùóï âçÿë îò èìåþùåãîñÿ USB îñöèëëîãðàôà DSO-2150. Âûõîä ñèøêè íàãðóæåí íà ýêâèâàëåíò 50 îì.

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	1.JPG 
Ïðîñìîòðîâ:	544 
Ðàçìåð:	188.9 Êá 
ID:	306087

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	2.png 
Ïðîñìîòðîâ:	655 
Ðàçìåð:	454.8 Êá 
ID:	306088

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	3.png 
Ïðîñìîòðîâ:	486 
Ðàçìåð:	467.8 Êá 
ID:	306089

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	4.png 
Ïðîñìîòðîâ:	462 
Ðàçìåð:	450.0 Êá 
ID:	306090

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	5.png 
Ïðîñìîòðîâ:	490 
Ðàçìåð:	455.7 Êá 
ID:	306091

    Õîðîøèé ïðèáîð÷èê!

  4. #3262
    Öèòàòà Ñîîáùåíèå îò R0AEK Ïîñìîòðåòü ñîîáùåíèå
    Ùóï âçÿë
    Íó è õîðîøî, ÷òî èçó÷åíèå ïðèáîðà èäåò. Ïðàâäà ñ ýòèì ùóïîì èçìåðåíèÿ íå áóäóò äîñòîâåðíû, ò.ê. ýòîò ùóï ðàññ÷èòàí íà âõîäíîå ñîïðîòèâëåíèå 1ÌÎì, à ó Îñû âõîäíîå ñîïðîòèâëåíèå íèçêîå.
    Óñïåõîâ! Þðèé.

  5. Ñïàñèáî îò R9OFG

  6. #3263
    Öèòàòà Ñîîáùåíèå îò R0AEK Ïîñìîòðåòü ñîîáùåíèå
    ïîñìîòðåë íà ñïåêòð âûõîäà ãîëîé Si570
    ðàçâå ìîæíî ñìîòðåòü ñïåêòð âíåøíåãî ãåíåðàòîðà â ðåæèìå èçìåðèòåëÿ À×Õ ?

  7. #3264
    Àëåêñàíäð Ì, êîíå÷íî íåò, ïåðâàÿ ïîïûòêà, èçó÷àåì...

  8. #3265
    Àâàòàð äëÿ RN3KK
    Ðåãèñòðàöèÿ
    02.11.2009
    Àäðåñ
    Âîðîíåæ
    Ñîîáùåíèé
    1,017
    Ïîçûâíîé
    RN3KK
    Íàêîíåö òî ìîäóëü 6Ã â êîðïóñ çàïèõàë.
    Ìèíèàòþðû Ìèíèàòþðû Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	IMG_20190127_174052_.jpg 
Ïðîñìîòðîâ:	552 
Ðàçìåð:	343.8 Êá 
ID:	306134  
    ñ óâ. RN3KK https://vk.com/rn3kk

  9. #3266
    Ïîñìîòðåë À×Õ ñîâåòñêîãî ÝÌÔÄÏ-500Í-3,1 ïîäêëþ÷åííîãî íàïðÿìóþ ê îñå ÷åðåç äâà êîðîòêèõ êóñêà êàáåëÿ 50îì. Êàëèáðîâêó äåëàë çàìêíóâ ñîåäèíèòåëüíûå êóñêè êàáåëÿ.

    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	1.png 
Ïðîñìîòðîâ:	627 
Ðàçìåð:	64.9 Êá 
ID:	306187

    Âåðíî ïîíèìàþ, ÷òî òàêîé ðåçóëüòàò èç çà îòñóòñòâèÿ ñîãëàñîâàíèÿ ÝÌÔ ñ îñîé?
    Ïîñëåäíèé ðàç ðåäàêòèðîâàëîñü R9OFG; 30.01.2019 â 23:03.

  10. #3267
    Öèòàòà Ñîîáùåíèå îò R0AEK Ïîñìîòðåòü ñîîáùåíèå
    òàêîé ðåçóëüòàò èç çà îòñóòñòâèÿ ñîãëàñîâàíèÿ ÝÌÔ ñ îñîé?
    ÝÔÌ-500 îñíîâíûå ïàðàìåòðû.doc
    “We are not strangers just friends who have never met.”

  11. Ñïàñèáî îò R9OFG, RT8B

  12. #3268
    çàáëîêèðîâàí
    Ðåãèñòðàöèÿ
    30.07.2018
    Ñîîáùåíèé
    237
    R0AEK, Çà÷åì âàì îñà åñëè âû íå ïîíèìàåòå ÷òî ó ýìô ñîïðîòèâëåíèå êèëîîìû, à ó îñû 50îì...èñïàíñêèé ñòûä
    Ïîñëåäíèé ðàç ðåäàêòèðîâàëîñü RU9CA; 04.02.2019 â 14:43. Ïðè÷èíà: ï.6.2

  13. #3269
    Ïðåêðàñíî ïîíèìàþ, äîêóìåíòàöèÿ ïåðåä ãëàçàìè, â ïåðèîä îñâîåíèÿ ïðèáîðà è èçó÷åíèÿ ìåòîäèê èçìåðåíèé ÷åãî ëèáî, ðàçâå çàïðåùåíî çàäàâàòü âîïðîñû? ß ëó÷øå âîïðîñû çàäàâàòü áóäó åñëè â ÷åì òî ñîìíåâàþñü, ïîëó÷èòü óãîëåê â ìåñòî ïðèáîðà íåò æåëàíèÿ. Õîòü ïðèáîð÷èê è íå äîðîãîé, íî âñå ðàâíî æàëêî áóäåò óáèòü åãî.
    Ïîñëåäíèé ðàç ðåäàêòèðîâàëîñü RU9CA; 04.02.2019 â 14:44. Ïðè÷èíà: ï.6.2


  14. #3270
    Àâàòàð äëÿ EU7BZ
    Ðåãèñòðàöèÿ
    16.06.2010
    Àäðåñ
    Áåëàðóñü Ãîðêè KO54LG
    Ñîîáùåíèé
    430
    Ïîçûâíîé
    EU7BZ
    ß ïðàâèëüíî ïåðåâåë, -116.4 dBm/Hz = 338.4 nV/rtHz?
    Íàæìèòå íà èçîáðàæåíèå äëÿ óâåëè÷åíèÿ. 

Íàçâàíèå:	dBmHz.jpg 
Ïðîñìîòðîâ:	455 
Ðàçìåð:	75.8 Êá 
ID:	306217

Ñòðàíèöà 327 èç 579 ÏåðâàÿÏåðâàÿ ... 227277317324325326327328329330337377427 ... ÏîñëåäíÿÿÏîñëåäíÿÿ

Èíôîðìàöèÿ î òåìå

Ïîëüçîâàòåëè, ïðîñìàòðèâàþùèå ýòó òåìó

Ýòó òåìó ïðîñìàòðèâàþò: 4 (ïîëüçîâàòåëåé: 0 , ãîñòåé: 4)

Ïîõîæèå òåìû

  1. Èçìåðèòåëüíûé êîìïëåêñ íà PC (ðàçðàáîòêà)
    îò RX6CD â ðàçäåëå Òåõíè÷åñêèé êàáèíåò
    Îòâåòîâ: 23
    Ïîñëåäíåå ñîîáùåíèå: 08.02.2022, 15:32
  2. Èçìåðèòåëüíûé êîìïëåêñ íà ÏÊ
    îò Âàëåðèé UA4LDF â ðàçäåëå Òåõíè÷åñêèé êàáèíåò
    Îòâåòîâ: 15
    Ïîñëåäíåå ñîîáùåíèå: 23.03.2020, 23:07
  3. Èçìåðèòåëüíûé ìîñò RCL Å7-4
    îò ra3gjk â ðàçäåëå Òåõíè÷åñêèé êàáèíåò
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    Ïîñëåäíåå ñîîáùåíèå: 13.05.2009, 16:15
  4. Èçìåðèòåëüíûé ñìåñèòåëü
    îò UT4UBL â ðàçäåëå Òåõíè÷åñêèé êàáèíåò
    Îòâåòîâ: 20
    Ïîñëåäíåå ñîîáùåíèå: 30.01.2009, 00:26
  5. PSK-MINI-20
    îò DL1BA â ðàçäåëå Òðàíñèâåðû, ïðèåìíèêè ÊÂ/ÓÊÂ
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Âàøè ïðàâà

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