2.4G rau 250Mhz DVB-T COFDM Digital HDTV RF Microwave Module Board
2.4G rau 250Mhz DVB-T COFDM Digital HDTV RF Microwave Module Board
Lub zaus down-converter board converts lub tau txais 2.4GHz RF zaus teeb liab mus rau hauv ib tug 250MHz teeb liab thiab ces converts nws mus rau hauv ib tug digital teeb liab los ntawm OFDM demodulation rau lub channel demodulation module..
Cov Lus Qhia
nta
Kev khiav hauj lwm zaus: 2.400GHz ~ 2.483 GHz
RF interface: SMA kav hlau txais xov interface
Txais tau rhiab: -97± 1dbm ntawm 8MHz, -98± 1dbm ntawm 6MHz
Definable 8-ntsis parameter teeb tsa hloov (txais thiab demodulation parameter teeb tsa)
Micro USB interface (USB qhev), txuas cov video demodulated rau laptops, ntsiav tshuaj, xov tooj ntawm tes, thiab lwm yam khoom siv rau H.264 decoding thiab playback. Peb muab WindowsAndroid Driver thiab optimized H.264 decoding thiab playback software tsev qiv ntawv txhawb nqa.
mov voltage: 5V
Board loj: 86mm x 31 mm
Functional Block Diagram
loj
Vim tias txhua tus neeg siv khoom siv lub zos oscillator、Intermediate zaus、Xov tooj cua zaus txawv, Yog li ntawd, cov khoom no tsuas yog txais kev tshwj tseg., Configurable Tsawg suab nrov Amplifier ntawm cov khoom nkag.
FAQs
RF zaus thaiv downconverter (BDC) rau wireless video transmitters yog ib tug ntaus ntawv uas yuav hloov tau ib tug siab zaus ntau yam mus rau ib tug tsawg zaus ntau yam.
Feem ntau siv nyob rau sab wireless video transmitter. Piv txwv li,
- Los ntawm 5.8G rau 2.4G down converter
- Los ntawm 2.4G rau 1.2G down converter
- Los ntawm 1.2G mus rau 600Mhz down converter
Qhov no yog vim lub fact tias wireless kis tau tus mob ntau zaus nyob rau hauv ntau lub teb chaws los yog cheeb tsam raug txwv los ntawm lub zos cov cai thiab cov kev cai..
Nws tsis raug tso cai siv nyob rau hauv ib qho tshwj xeeb zaus.
Txhawm rau hloov qhov ua haujlwm zaus ntawm lub transmitter thiab receiver, down-conversion los yog up-conversion yog yuav tsum tau. Xyuas kom cov zaus kis tau tus mob raws li cov cai hauv zos thiab cov cai.
Kuj tseem muaj qhov xwm txheej uas tus kws tshaj lij tau txais zaus raug kho, piv txwv li, ntawm 300-800Mhz.
Yuav kom lub transmitter zaus yuav tsum ua khub, tnws zaus ntawm 1.2G transmitter yuav tsum raug txo.
Tag nrho cov no yuav tsum tau siv cov zaus downconverter rau wireless video kis tau tus mob.
Yog, peb tus kws tshaj lij engineer teb, peb tuaj yeem ua tau. Thiab, ua ntej khoom xa tuaj, peb yuav qhia koj qhov kev sim video.
Yog, peb tus kws tshaj lij engineer paub meej tias peb tuaj yeem rov tsim thiab hloov qee yam tseem ceeb los ua qhov ntawd. Ntsoov, ua ntej khoom xa tuaj, peb yuav qhia koj qhov kev sim video.
Ua tsaug rau koj qhov kev nug, Kuv yuav kuaj nrog peb tus engineer.
Ua tsaug rau koj qhov kev nug. Peb tuaj yeem hloov kho rau koj.
Thov qhia peb cov lus qhia tshwj xeeb ntawm koj lub transmitter thiab receiver modules.
Lo lus nug: Peb txaus siab rau n.1 downconverter los ntawm 950-1500 Mhz rau 350-850 Mhz thiab n.1 up converter los ntawm 350-850 Mhz rau 950-1500 Mhz. Local oscillator 1800 Mhz.
Yog, Ntawm no yog peb specification rau koj cov ntaub ntawv.
Frequency Down Converer Block specification daim ntawv
Yam |
specification |
input zaus |
950 MHz ~ 1550 MHz |
tso zis zaus |
350 MHz ~ 850 MHz |
Hauv zos zaus |
1800 MHz |
ntsua kev |
500MHz |
Suab nrov Daim duab |
≤1.5dB |
nce |
25 dB |
Carrier leakage |
≤-20dBm |
Txoj siv tsis sib xws(8MHz) |
≤1.5dB |
IIP 3: |
≥15dBm |
qib siab tshaj tawm |
-10dBm |
VSWR |
≤1.5 |
ua haujlwm kub |
-10~ + 60 ℃ |
voltage tam sim no |
12V / 240mA |
RF interface |
SMA-50KFD |
loj |
108*48*15hli |
Fais fab mov hom |
Qhov (socket) fais fab mov |
Frequency Up Converer Block specification daim ntawv
Yam |
specification |
input zaus |
350 MHz ~ 850 MHz |
tso zis zaus |
950 MHz ~ 1550 MHz |
Hauv zos zaus |
1800 MHz |
ntsua kev |
500MHz |
Suab nrov Daim duab |
≤1.5dB |
nce |
25 dB |
Carrier leakage |
≤-20dBm |
Txoj siv tsis sib xws(8MHz) |
≤1.5dB |
IIP 3: |
≥15dBm |
qib siab tshaj tawm |
-10dBm |
VSWR |
≤1.5 |
ua haujlwm kub |
-10~ + 60 ℃ |
voltage tam sim no |
12V / 240mA |
RF interface |
SMA-50KFD |
loj |
108*48*15hli |
Fais fab mov hom |
Qhov (socket) fais fab mov |
Lo lus nug: Yog ib lub teeb liab ntawm -25 dbm npe, theem twg muaj cov coverterd tso zis?
teb: 0 dBm
Wireless video duab kis tau tus mob downconverter