DSA710 - Spektr analizatori

DSA710 Texnik xususiyatlari
Xarakteristikalar Parametrlar Qiymatlar
Chastotasi
Chastota diapazoni 100 kHz…1 GHz

Ruxsat 1 Hz
Dastlabki kalibrlash aniqligi <± 1x10-6
Malumot chastotasi manbasining harorat barqarorligi <± 2x10-6
Malumot chastotasi manbai xatosining o'zgarishi <± 2x10-6/yil
Chastotani o'lchash xatosi
Marker o'lchamlari:
ko'rish diapazoni / (skanerlash nuqtalari soni-1)

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

Chastotani hisoblagich ruxsati
1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz
Xato:
±(ko'rsatilgan chastota × mos yozuvlar chastotasi xatosi + hisoblagich ruxsati)

Tarmoqli kengligi nol, 100 Hz…1 GHz

± oraliq xatosi / (skanerlash nuqtalari soni-1)

Faza shovqin zichligi <-80 dBc/Hz @ 10 kHz
<-100 dBc/Hz @ 100 kHz

BAND WIDE
IF tarmoqli kengligi (-3 dB) 100 Hz… 1 MGts, 1-3-10 qadam bilan

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) uzluksiz signal kuchi
+30 dBm (1 Vt) maksimal. xavfli daraja

O'rtacha shovqin darajasi (odatiy)
0 dB attenyuator, o'rtacha ≥50, RBW=VBW=100 Hz oldindan kuchaytirgichsiz:
100 kHz…1 MGts: <-90 dBm, odatiy -110 dBm
1 MGts…1 Gigagerts: <-100 dBm, odatiy -110 dBm

oldindan kuchaytirgich bilan:
100 kHz…1 MGts: <-110 dBm, odatiy -130 dBm
1 MGts…1 Gigagerts: <-120 dBm, odatiy -130 dBm

Chastota javobi
(f≥100 kHz, attenuator = 10 dB, rel. 50 MGts)
oldindan kuchaytirgichsiz:
< 0,7 dB

oldindan kuchaytirgich bilan:
< 1,0 dB
Attenuator
Zaiflash chegarasi:
0…30 dB, 1 dB qadamda

Kommutatsiya xatosi (markaz chastotasi = 50 MGts, nisbiy 10 dB):
< 0,5 dB
Mutlaq amplituda xatosi
(markaz chastotasi = 50 MGts, tepalik detektori, oldindan kuchaytirgich o'chirilgan, zaiflashuv 10 dB, kirish signali -10 dBm, 20 ºC…30 ºC) ± 0,4 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)
<1,5 dB

2-tartibli garmonik buzilish
(markaz chastotasi ≥50 MGts, attenuator = 10 dB, kirish darajasi = -20 dB) SHI : +40 dBm
3-tartibli intermodulyatsiya buzilishi
(markaz chastotasi≥50 MGts, attenuator=10 dB, ikki tonli kirish darajasi=-20 dB) TOI: +10 dBm (markaz chastotasi>30 MGts)

Markaz chastotasining kirib borishi
Yon signallar <-60 dBc
Ichki kombinatsiya aralashuvi
(kirish terminatori 50 Ohm, attenuator = 0 dB) <-88 dBm, odatiy

Ruxsatni tarmoqli kengligi bo'yicha almashtirish
(1 kHz RBW ga nisbatan) <0,1 dB
Logarifmik shkala 1 dB…200 dB
Chiziqli shkala 0 mos yozuvlar darajasiga

Ballar soni 601
Grafiklar soni 3 + asosiy
Detektor turi Oddiy, musbat cho'qqi, salbiy tepalik, namuna, RMS, o'rtacha kuchlanish
Quasi-peak (DSA800-EMI varianti)

Diagramma operatsiyalari: Tozalash, Maksimal ushlab turish, Minimal ushlab turish, Oʻrtacha, Koʻrish, Yopish

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

SCAN
Diapazon
10 ms… 1000 s (nol ko‘rish)
20 µs ….1000 s (100 Hz ≤ tarmoqli kengligi ≤ 1 GHz)
OLDINDAN KUCHAYTIB 100 kHz…1 GHz 20 dB (standart)

SIGNALNI DAVOMLI QO'lga olish
(SSC-DSA varianti)
O'lchov diapazoni 202 kHz
O'lchash tezligi 650 spektr/s
KIRISh/CHISHLAR
RF kirish N-tipli ulagich (ayol); 50 Ohm;