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Êðàòêîå îïèñàíèåIC-7800 òðàíñèâåð â ñóïåð òÿæåëîì âåñå â ìèðå òðàíñèâåðîâ! Êîðïîðàöèÿ ICOM ïèîíåð â ìèðå ðàäèîëþáèòåëüñêèõ òðàíñèâåðîâ. Íà÷èíàÿ ñ ïåðâîãî àíàëîãîâîãî òðàíñèâåðà èñïîëüçóþùåãî PLL (Phase-Locked Loop) äî ïîòðåñàþùåãî IC-756PRO c 32-áèòíûì DSP, ICOM ðàçðàáàòûâàåò íàèáîëåå èííîâàöèîííîå ðàäèîîáîðóäîâàíèå. Ïðîäîëæàÿ òðàäèöèè ICOM ïðåäñòàâëÿåò èííîâàöèîííûé òðàíñèâåð ÝÊÑÒÐÀ-êëàññà IC-7800. |
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Ïîäðîáíîå îïèñàíèåIC-7800
Òåõíè÷åñêèå õàðàêòåðèñòèêè IC-7800 • ×àñòîòíûé äèàïïàçîí*1: Âåðñèÿ ÑØÀ Rx 0.030– 60.000MHz*2 Tx 1.800– 1.999MHz*2 3.500– 3.999MHz 5.3305, 5.3465, 5.3665, 5.3715, 5.4035MHz*3 7.000– 7.300MHz 10.100–10.150MHz 14.000– 14.350MHz 18.068–18.168MHz 21.000– 21.450MHz 24.890–24.499MHz 28.000– 29.700MHz 50.000–54.000MHz Åâðîïåéñêàÿ âåðñèÿ Rx 0.030– 60.000MHz*2 Tx 0.1357– 0.1378MHz 1.800– 1.999MHz 3.400– 4.099MHz*2 6.900– 7.499MHz*2 9.900– 10.499MHz*2 13.900–14.499MHz*2 17.900– 18.499MHz*2 20.900–21.499MHz*2 24.400– 25.099MHz*2 28.000–29.999MHz*2 50.000– 54.000MHz*2 *1 ×àñòîòíûé äèàïïàçîí îòëè÷àåòñÿ â çàâèñèìîñòè îò âåðñèè IC-7800. *2 Íåêîòîðûå ñòàñòîòíûå äèàïïàçîíû íå ãàðàíòèðîâàíû. *3 Íåñóùàÿ. • Ðåæèì ðàáîòû IC-7800 : USB, LSB, CW, RTTY, PSK31, AM, FM • Êîëè÷åñòâî êàíàëîâ IC-7800 : 101 (99 regular, 2 scan edges) • Antenna impedance : 50Ω unbalanced (Tuner off) • Àíòåííûé ðàçúåì : SO-239×4 and BNC×2 • Òðåáóåìûé òîê : 85–265V AC • Òåìïåðàòóðíûé ðåæèì : 0˚C to +50˚C; +32˚F to +122˚F • Ñòàáèëüíîñòü ÷àñòîòû : Ìåíüøå ÷åì ±0.05ppm (0˚C to +50˚C, ïîñëå ðàçîãðåâà) • ×àñòîòíîå ðàñøèðåíèå : 1Hz (ìèíèìóì) • Ïîòðåáëåíèå : Tx Max. power 800VA Rx Stand-by 200VA (typ.) Max. audio 210VA (typ.) • Ðàçìåðû : 424(W)×149(H)×435(D) mm; (projections not included) 1611⁄16(W)×57⁄8(H)×171⁄8(D) in •Âåñ IC-7800 (îêîëî.) : 25kg; 55lb Ïåðåäàò÷èê • Âûõîäíàÿ ìîùíîñòü (ïîñòîÿííî íàñòðàèâàåìàÿ) : SSB, CW, RTTY, PSK31, FM 5–200W AM 5–50W 137kHz, CW* Áîëåå ÷åì –20dBm (* Çàâèñèò îò âåðñèè.) • Ñèñòåìà ìîäóëÿöèè : SSB DPSN modulation AM Digital low power modulation FM Digital phase modulation • Spurious emission : More than 60dB (HF bands) More than 70dB (50MHz band) • Carrier suppression : More than 63dB • Unwanted sideband suppression: More than 80dB • ∂TX variable range : ±9.999kHz • Microphone impedance : 600Ω (8-pin connector) Ïðèåìíèê • Receive system : Double conversion super-heterodyne system • Intermediate frequencies : 1st 64.455MHz (Main receiver) 64.555MHz (Sub receiver) 2nd 36kHz • Sensitivity (typical) : SSB, CW, RTTY, PSK31, FM (BW: 2.4kHz at 10dB S/N) 0.1–1.799MHz 0.5µV*1 1.8–29.999MHz 0.16µV*1 50.0–54.0MHz 0.13µV*2 AM (BW: 6kHz at 10dB S/N) 0.1–1.799MHz 6.3µV*1 1.8–29.999MHz 2µV*1 50.0–54.0MHz 1µV*2 FM (BW: 15kHz at 12dB SINAD) 28–29.999MHz 0.5µV*1 50.0–54.0MHz 0.32µV*2 *1 Pre-amp 1 is ON, *2 Pre-amp 2 is ON. • Squelch sensitivity (Pre-amp: OFF): SSB, CW, RTTY, PSK31 Less than 5.6µV FM Less than 1µV • Selectivity (representative value): SSB (BW: 2.4kHz) More than 2.4kHz/–3dB Less than 3.6kHz/–60dB CW (BW: 500Hz) More than 500Hz/–3dB Less than 700Hz/–60dB RTTY, PSK31 More than 360Hz/–6dB (BW: 350kHz) Less than 650Hz/–60dB AM (BW: 6kHz) More than 6.0kHz/–3dB Less than 15.0kHz/–60dB FM (BW: 15kHz) More than 12.0kHz/–6dB Less than 20.0kHz/–60dB • Spurious and image : More than 70dB rejection ratio • Audio output power : More than 2.6W at 10% distortion with an 8Ω load • RIT variable range : ±9.999kHz • PHONES connector : 3-pin connector 6.35 (d) mm ( 1⁄4″) • EXT SP connector : 2-pin connector 3.5 (d) mm ( 1⁄8″)/8Ω |
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