108-678MHz Ultra-Wideband RF Filters | Shaandheynta la dami karo ee waxqabadka sare leh
Xiga Gen 108-678MHz Ultra-Wideband RF Filters: Saxnaanta ugu dambeysa ee Maareynta Spectrum Dynamic
Muuqaalka casriga ah ee maanta si xawli ah u koraya, maaraynta faragelinta guud ahaan inta jeer ee kala duwan waxay u baahan tahay dabacsanaan iyo saxnaan aan la qiyaasi karin. Shaandhooyinkeena 108-678MHz Ultra-Wideband RF Filters waxaa loo habeeyay si ay u keenaan xulashada wax qabad sare leh, luminta galinta hoose, iyo maaraynta awooda adag ee dhammaan VHF iyo UHF spectrum.
Faa'iidooyinka iyo Codsiyada filtarrada Tunable-ku-salaysan ee Chip-ku-salaysan
Faa'iidooyinka Farsamada: Waxaan nahay kuwa ugu horreeya warshadaha adduunka oo dhan si aan u gaarno horumar tignoolajiyadeed ee 1.5-700 MHz tignoolajiyada shaandhada chip-tunable, oo muujinaya faa'iidooyinka hormuudka ah ee aan loo baahnayn sahayda korantada sare, isticmaalka korantada aadka u hooseeya, cabbirka aadka u kooban, iyo culeyska khafiifka ah.
■ Faa'iidooyinka Halbeegga: Kala duwanaanshaha korantada shaqeynaya: +3.3V ilaa +12V, oo leh nidaam caadi ah isticmaalka hadda ee 6-8 mA. Faa'iidooyinka waxaa ka mid ah cabbirka is haysta, naqshadaynta miisaanka fudud, iyo isticmaalka tamarta yar.
■ Codsiyada: Isgaarsiinta moobilka, isgaarsiinta soo noqnoqda, SDR (raadiyaha ku qeexan software), qalabka tijaabada iyo cabbiraadda, qalabka caafimaadka, iyo goobaha kale ee codsiga.
Isku-dhafka Filter Tunable Horukacsan: Waxa uu leeyahay shaandhaynta dusha sare ee shaandhaynta, taas oo u oggolaanaysa firfircoonida soo noqnoqda waqtiga-dhabta ah iyo diidmada faragelinta firfircoon.
Footprint Compact: Waxay ka faa'iideysataa tignoolajiyada casriga ah ee filtarrada la hagaajin karo si ay u keento waxqabadka ugu sarreeya ee xirmo-yar oo-yar, oo dusha sare leh.
Luminta Gelida Hoose & Q-Arrinta Sare: Waxay wanaajisaa saamiga signal-ilaa- buuqa (SNR) waxayna yaraynaysaa daadinta awoodda.
Xawaaraha toosinta degdega ah: Ku fiican codsiyada soo noqnoqda ee soo noqnoqda iyo yaraynta goobta.
Waa maxay sababta aan u dooranay shaandhadayada 108-678MHz RF?
La qabsiga Spectrum Dynamic
Shaandhooyinka taagan inta badan waxay ku dhacaan deegaan RF adag. Marka lagu daro habka shaandhaynta dhaq-dhaqaaqa leh, xalkayaga ultra-wideband wuxuu u oggolaanayaa injineerada inay si firfircoon u beddelaan inta jeer ee xarunta oo ay hagaajiyaan xawaaraha xawaaraha duulista, iyaga oo hubinaya waxqabadka ugu fiicnaanta xitaa meelaha dadku ku badan yahay.
Waxtarka Meel-Cayday
Cabbirka, miisaanka, iyo awoodda (SwaP) ayaa ah qodobbada muhiimka ah ee naqshadaynta casriga ah ee RF. Adigoo isticmaalaya filtarrada la isku hagaajin karo ee chip-cufnaanta sare leh, xariiqda badeecadan waxay si toos ah u dhexgelisaa shabakadaha hagaajinta isku dhafan ee qaab monolithic ah ama qaab moduleka-chip-ka badan. Tani waxay si aad ah u yaraynaysaa hantida ma-guurtada ah ee PCB iyada oo aan waxba loo dhimayn toosnaanta ama maaraynta awooda.
Qiyaasta Farsamada
|
No.
|
Parameter
|
Symbol
|
Unit
|
Specification (-40℃~+85℃)
|
|
01
|
Frequency Range
|
F
|
MHz
|
108-174MHz;225-450MHz;450-678MHz
|
|
02
|
Insertion Loss
|
I.L
|
dB
|
≤3.5
|
|
03
|
-1dB Bandwidth
|
BW-1
|
MHz
|
≥8%*FO
|
|
04
|
Out-of-Band Rejection
|
Sel.
|
dBc
|
F0±10%≥20
|
|
05
|
RF Input power
|
P(-1dB)
|
dBm
|
≤35
|
|
06
|
Tuning Time
|
Tv
|
us
|
≤5
|
|
07
|
VSWR
|
VSWR
|
|
≤1.5
|
|
08
|
Impedance(In/Out)
|
Zin/Zout
|
Ω
|
50
|
|
09
|
Supply Voltage
|
Vs
|
V
|
+3.3V~+12V
|
|
10
|
Power Consumption
|
P
|
mw
|
≤50
|
|
11
|
Center Frequency Drift
|
F0 Drift
|
ppm/℃
|
≤80ppm/℃
|
|
12
|
Operating Temperature
|
To
|
℃
|
-40~+85
|
|
13
|
Storage Temperature
|
Ts
|
℃
|
-55~+105
|
|
14
|
Weight
|
W
|
g
|
≤30
|
|
15
|
Dimensions
|
|
mm
|
38.1*38.1*6(±0.2)
|
|
Descriptions
|
Address Code Definition: 10-bit parallel binary code A0–A9, compatible with CMOS and TTL logic levels.
· A0–A7 control voltage levels: Logic Low: 0 ~ 0.7 V; Logic High: 2.4 ~ 3.3 V .
· A0–A7 are used as the in-band address code.
· A8 and A9 are used as band selection codes.
Address Calculation (rounded to integer)
Address Code={(fx-flow)/(fhigh-flow)}*250
Where:
· fx: desired intrasegment center frequency
· flow: lowest frequency in the segment
· fhigh: highest frequency in the segment
· 250: intrasegment steps
If the calculated result contains a decimal fraction, it shall be rounded to the nearest integer.
|
Meelaynta Koodhka Xulashada Kooxda
|
A8
|
A9
|
Frequency Band
|
|
0
|
0
|
108~ 174MHz
|
|
1
|
0
|
225~ 450MHz
|
|
0
|
1
|
450~ 678MHz
|
Sawirka dulucda:
Soo hel jiilka xiga 108-678MHz Ultra-Wideband RF filtarrada. Muujinaya Tiknooloojiyada Filter Tunable ee horumarsan iyo Chip Tunable Filters si sax ah, kantaroolka calaamada khasaaraha hoose.