DSA875 - Spektr analizatori

DSA875 Texnik xususiyatlari
Xarakteristikalar Parametrlar Qiymatlar
Chastotasi
Chastota diapazoni 9 kHz…7,5 GHz
Ruxsat 1 Hz
Malumot chastotasi manbasining harorat barqarorligi ± 5x10-7
Malumot chastotasi manbai xatosining o'zgarishi ± 1x10-6/yil
Chastotani o'lchash xatosi
Marker o'lchamlari:
1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz

Xato:
±(ko'rsatilgan chastota × mos yozuvlar chastotasi xatosi + 1% × oraliq + 10% × tarmoqli kengligi + marker ruxsati)

Tarmoqli kengligi nol, 100 Gts…7,5 GHz

± oraliq xatosi / (skanerlash nuqtalari soni-1)

Faza shovqin zichligi <-98 dBc/Hz @ 10 kHz

BAND WIDE
AGAR tarmoqli kengligi (-3 dB) 10 Hz… 1 MGts, 1-3-10 bosqichlarida

AGAR tarmoqli kengligi (-6 dB) (DSA800-EMI opsiyasi) 200 Hz, 9 kHz, 120 kHz

Selektivlikni darajalar bo'yicha filtrlang (60 dB/3 dB) <5:1
IF tarmoqli kengligi sozlamalari xatosi <5%
Video tarmoqli kengligi 1 Gts … 3 MGts, 1-3-10 bosqichlarida

AMPLITUDA
Darajani o'lchash diapazoni O'z-o'zidan shovqin darajasi ... +20 dBm

Maksimal kirish darajasi (30 dB attenuator) 50 V (DC)
+20 dBm (100 mVt) CW RF quvvati
+30 dBm (1 Vt) maksimal. xavfli daraja

O'rtacha shovqin darajasi (odatiy)
0 dB attenyuator, RBW=VBW=100 Gts, o'rtacha ≥50, kuzatuv generatori o'chirilgan, oldindan kuchaytirgichsiz 1 Gts ga normallashtirilgan:

9 kHz...100 kHz: <-120 dBm
100 kHz…5 MGts: <-135 dBm, odatiy -138 dBm
5MHz…3,2GGs: <-140dBm, odatiy -144dBm 3,2GHz…6GHz: <-136dBm, odatiy -140dBm
6 gigagertsli…7,5 gigagertsli: <-131 dBm, odatiy -135 dBm
oldindan kuchaytirgich bilan:
9 kHz...100 kHz: <-152 dBm
100 kHz…5 MGts: <-152 dBm, odatiy -155 dBm
5MHz…3,2GHz: <-157dBm, odatiy -161dBm 3,2GHz…6GHz: <-153dBm, odatiy -157dBm
6 gigagerts…7,5 gigagerts: <-148 dBm, odatiy -152 dBm

Chastota javobi
(f≥100 kHz, attenuator = 10 dB, rel. 50 MGts)
oldindan kuchaytirgichsiz:
100 kHz….3,2 gigagerts: < 0,5 dB, < 0,3 dB odatiy
3,2 gigagerts...7,5 gigagerts: < 0,7 dB, odatda < 0,3 dB

oldindan kuchaytirgich bilan:
100 kHz….3,2 gigagerts: < 0,7 dB, < 0,3 dB odatiy
3,2 gigagerts...7,5 gigagerts: < 0,9 dB, odatda < 0,3 dB
Attenuator
Zaiflash chegarasi:
0…30 dB, 1 dB qadamda

Kommutatsiya xatosi (markaz chastotasi = 50 MGts, attenuator = 10 dB):
< 0,3 dB
Mutlaq amplituda xatosi
(markaz chastotasi = 50 MGts, kuchaytirgich o'chirilgan, zaiflashuv 10 dB, kirish signali -10 dBm, 20 ºC…30 ºC) ± 0,3 dB
Malumot darajasini belgilash
Diapazon:
1 dB qadam bilan -100 dBm…+20 dBm

Logarifmik shkalaning o'lchamlari 0,01 dB, chiziqli - 4 ta raqam

O'lchov xatosi
(95% ishonch, S/N>20 dB, RBW=VBW=1 kHz, oldindan kuchaytirgichsiz, 10 dB zaiflashuv, -50 dBm < mos yozuvlar darajasi < 0, 10 MGts < markaz chastotasi < 1,5 GHz, 20 ºC dan 30 ºC)
<0,8 dB

2-tartibli garmonik buzilish
(markaz chastotasi ≥50 MGts, attenuator = 10 dB, kirish darajasi = -20 dB) SHI : +45 dBm
3-tartibli intermodulyatsiya buzilishi
(markaz chastotasi ≥50 MGts, attenuator = 10 dB, kirish darajasi = -20 dB) TOI: +11 dBm, odatiy +15 dBm

Kombinatsiyalangan buzilish <-60 dBu
Ichki kombinatsiya aralashuvi
(kirish terminatori 50 Ohm, attenuator = 0 dB) <-90 dBm, <-100 dBm, odatiy

Logarifmik shkala 1 dB…200 dB
Chiziqli shkala 0 mos yozuvlar darajasiga

Ballar soni 601
Grafiklar soni 3 + asosiy
Detektor turi Oddiy, Ijobiy-peak, Salbiy-cho'qqi, Namuna, RMS, O'rtacha kuchlanish
Kvazi-pik (DSA800-EMI)

Grafik operatsiyalari: uzluksiz ko'rsatish, maksimal ushlab turish, minimal ushlab turish, o'rtacha, ko'rish, tozalash

O'lchov birliklari dBm, dBmV, dBmV, nV, mV, mV, V, nW, mW, mW, W

SCAN
Diapazon
1 ms… 1500 s (100 Gts ≤ oraliq ≤ 7,5 GGs)
20 µs …7500 s (nol ko‘rish)
ishga tushirish: doimiy, yagona
PRE-AMPLIFIER Daromad (100 kHz...7,5 GHz) 17 dB (nominal)

KIRISH
RF kirish N-tipli ulagich (ayol); 50 Ohm;

Boshqa kirish/chiqishlar
Signal manbai chiqishi
Empedans 50 Ohm
Ulagich turi N (ayol)
10 MGts mos yozuvlar osilator kirish/chiqish/tashqi tetik kiritish
BNC tipidagi ulagich (ayol)
Kirish 10 MGts: daraja 0 dBm…10 dBm
10 MGts chiqishi: daraja +3 dBm…10 dBm, +8 dBm odatiy
Yo'naltiruvchi generatorning kirish / chiqish empedansi 50 Ohm
Tashqi tetik kirish empedansi 1 kOm
Trigger darajasi: 5V TTL darajasi

USB Xost 2.0
USB qurilmasi 2.0

Ishga tushirish
Bepul, video, tashqi manbani ishga tushiring

Tashqi ishga tushirish
5V TTL darajasi
UMUMIY MA'LUMOTLAR
Displey Grafik rangli TFT LCD, o'lchamlari: 800 * 480, o'lcham 8", 65536 rang

Printer PictBridge protokolini qo'llab-quvvatlaydi

USB TMC masofadan boshqarish pulti
LAN interfeysi 10/100 Base-T, RJ-45
LXI sinf C
USB-GPIB IEEE 488.2 opsiyasi bilan IEC/IEEE avtobusi (GPIB)

Quvvat manbai Kirish kuchlanishi: AC 100 V… 240 V/ 45 Gts… 440 Gts

Quvvat iste'moli 35 Vt, odatiy;
50 Vt maksimal

Umumiy o'lchamlari 361,6 x 178,8 x 128 mm

Og'irligi 4,55 kg
Ichki ma'lumotlar xotirasi Flash disk (o'rnatilgan)

Ishlash harorati
0 ºC …50 ºC