Gbigbe Fidio Alailowaya RF Igbohunsafẹfẹ Digital Down Converter COFDM Gbigbe igbohunsafẹfẹ 2.4G si 600Mhz BDC kekere
Digital Down Converter
Gbigbe Fidio Alailowaya RF Igbohunsafẹfẹ Digital Down Converter COFDM Gbigbe igbohunsafẹfẹ 2.4G si 600Mhz kekere
Atọka akoonu
ta Points
- Input nigbakugba lati 24000 to 600MHz (Lower 1800Mhz)
- ga bandiwidi
- Low alakoso ariwo
- Ga-igbohunsafẹfẹ iduroṣinṣin
Specification
RF Igbohunsafẹfẹ Range: 2400 MHz
Ba Igbohunsafẹfẹ Range: 600 MHz
pada Loss:-12 Di
igbohunsafẹfẹ Yiye: ± 10 ppm
aworan ijusile: 60 dBc
Flatness: ± 0,5 Di (8MHz bandiwidi)
Ìyípadà Gain: 25 Di
alakoso Noise (dBc / Hz)
dBc / Hz @ 1KHz ≤-80
dBc / Hz @ 10KHz ≤-90
dBc / Hz @ 100KHz ≤-100
ipese Foliteji: 10~ 15V
Power Lọwọlọwọ: 100 MA
Awọn ọna otutu Range: +25 ℃
Port
RF IN: SMA-50K
ba OUT: SMA-50K
Power + 12V: Stick
GND: soldering lug
akọsilẹ
- Oluyipada naa ko nilo lati ṣafikun ampilifaya ariwo kekere ni ẹhin ẹhin.
- gangan igbeyewo: titi-lupu igbeyewo labẹ awọn igbohunsafẹfẹ ti 2.4GHz / bandiwidi 4MHz, awọn gbigba ifamọ le de ọdọ -105dBm.
- Input igbohunsafẹfẹ atilẹyin 1 ~ 3GHz. (A le ṣe iranlọwọ ṣe akanṣe).
- Igbohunsafẹfẹ o wu atilẹyin 300 ~ 700MHz. (A le ni atilẹyin Ṣe).
About the above video:
Our most popular products are wireless video transmitters and receivers. sibẹsibẹ, some clients require modification of the transmission frequency to meet local legal demand, in which case the digital frequency up-down converter block comes in handy. One customer requested that we customize the RF frequency down converter for his 2.4G wireless video transmitter. So the input frequency is 2.4GHz, the output frequency is 600MHz, and the lowdown frequency is 1800MHz. We created the sample in accordance with his specifications. So I showed him a simple video that showed the 2.4G transmitter and 600Mhz receiver working correctly. If you have a similar requirement, such as 1-3G frequency input and 300-700Mhz output, please contact us for a custom solution.
FAQs
A RF frequency block downconverter (BDC) for wireless video transmitters is a device that can convert a high frequency range to a low frequency range.
Typically used on the wireless video transmitter side. Fun apere,
- From 5.8G to 2.4G down converter
- From 2.4G to 1.2G down converter
- From 1.2G to 600Mhz down converter
This is due to the fact that wireless transmission frequencies in many countries or regions are restricted by local laws and regulations.
It is not permitted to use in a specific frequency range.
To change the operating frequency of the transmitter and receiver, down-conversion or up-conversion is required. Make sure the transmission frequency is in accordance with local laws and regulations.
There is also the case where the professional receiving frequency is fixed, fun apere, between 300-800Mhz.
In order for the transmitter's frequency to be paired, the frequency of the 1.2G transmitter must be reduced.
All of this necessitates the use of a frequency downconverter for wireless video transmission.
bẹẹni, our professional engineer replied, we can do it. And, before delivery, we will show you the test video.
bẹẹni, our professional engineer confirms that we can re-design and modify some key components to do that. Daju, before delivery, we will show you the test video.
Thanks for your inquiry, I will check with our engineer.
Thanks for your inquiry. We can customize for you.
Please tell us the specification details of your transmitter and receiver modules.
ibeere: We are interested in n.1 downconverter from 950-1500 Mhz si 350-850 Mhz and n.1 upconverter from 350-850 Mhz si 950-1500 MHz. Oscillator agbegbe 1800 MHz.
bẹẹni, Here is our specification for your references.
Frequency Down Converer Block specification sheet
|
ohun kan |
Specification |
|
input frequency |
950 MHz ～1550 MHz |
|
output frequency |
350 MHz ～850 MHz |
|
Local frequency |
1800 MHz |
|
SPAN |
500MHz |
|
ariwo Figure |
≤1.5dB |
|
jèrè |
25 Di |
|
Carrier leakage |
≤-20dBm |
|
Belt unevenness(8MHz) |
≤1.5dB |
|
IIP3: |
≥15dBm |
|
maximum input level |
-10dBm |
|
VSWR |
≤1.5 |
|
operation temperature |
-10～+60℃ |
|
voltage current |
12V/240mA |
|
RF Interface |
SMA-50KFD |
|
iwọn |
108*48*15mm |
|
Power supply mode |
Socket power supply |
Frequency Up Converer Block specification sheet
|
ohun kan |
Specification |
|
input frequency |
350 MHz ～850 MHz |
|
output frequency |
950 MHz ～1550 MHz |
|
Local frequency |
1800 MHz |
|
SPAN |
500MHz |
|
ariwo Figure |
≤1.5dB |
|
jèrè |
25 Di |
|
Carrier leakage |
≤-20dBm |
|
Belt unevenness(8MHz) |
≤1.5dB |
|
IIP3: |
≥15dBm |
|
maximum input level |
-10dBm |
|
VSWR |
≤1.5 |
|
operation temperature |
-10～+60℃ |
|
voltage current |
12V/240mA |
|
RF Interface |
SMA-50KFD |
|
iwọn |
108*48*15mm |
|
Power supply mode |
Socket power supply |
ibeere: If a signal of -25 dbm enter, what level has the coverterd output?
idahun: 0 dBm
Ohun ti o jẹ DDC
Ni oni ifihan agbara processing, a oni isalẹ-converter (DDC) awọn a digitized, ifihan agbara-ipin-ipin si ifihan agbara igbohunsafẹfẹ kekere ni iwọn iṣapẹẹrẹ kekere lati le rọrun awọn ipele redio ti o tẹle. Awọn ilana pa gbogbo alaye ti ninu atilẹba ifihan kere ti eyi ti o ti sọnu si ikotan ašiše ni mathematiki lakọkọ. Awọn input ki o si wu ifihan agbara le jẹ gidi tabi eka ayẹwo. Igba ti DDC awọn lati aise igbohunsafẹfẹ redio tabi agbedemeji igbohunsafẹfẹ si isalẹ lati kan eka baseband ifihan agbara.
faaji
A DDC oriširiši meta subcomponents: a taara oni synthesizer (DDS), -kekere kọja àlẹmọ (LPF), and a down sampler (eyi ti o le wa ni ese sinu kekere-kọja àlẹmọ). DDS ṣe ipilẹṣẹ sinusoid eka kan ni igbohunsafẹfẹ agbedemeji (ba). Isodipupo ti awọn agbedemeji igbohunsafẹfẹ pẹlu awọn input ifihan agbara ṣẹda images ti dojukọ ni naira ati iyato igbohunsafẹfẹ (eyiti o tẹle lati awọn ohun-ini iyipada-igbohunsafẹfẹ ti iyipada Fourier). The low-pass filters pass the difference (i.e.. baseband) igbohunsafẹfẹ nigba ti kọ naira igbohunsafẹfẹ image, Abajade ni a eka baseband oniduro ti awọn atilẹba ifihan agbara. A ro yiyan idajọ ti IF ati bandiwidi LPF, awọn eka baseband ifihan ti mathematiki deede si awọn atilẹba ifihan agbara. Ni awọn oniwe-titun fọọmu, it can readily be down-sampled and is more convenient to many DSP algorithms. Ayẹwo kekere-kọja eyikeyi ti o yẹ le ṣee lo pẹlu FIR, IIR, ati CIC Ajọ. Aṣayan ti o wọpọ julọ jẹ àlẹmọ FIR fun awọn iwọn kekere ti idinku (kere ju mẹwa) or a CIC filter followed by an FIR filter for larger down-sampling ratios.
Awọn iyatọ lori awọn DDC
Orisirisi awọn iyatọ lori DDC ṣe iranlọwọ, pẹlu ọpọlọpọ awọn ti input a esi ifihan agbara sinu DDS. Awọn wọnyi ni:
- Decision-directed carrier recovery phase-locked loops in which the I and Q are compared to the nearest ideal constellation point of a PSK signal, ati awọn Abajade aṣiṣe ifihan agbara ti wa ni filtered ati ki o je pada sinu DDS
- A Costas lupu ninu eyi ti awọn emi ati Q ti wa ni di pupọ ati kekere kọja filtered bi ara ti a BPSK / QPSK ti ngbe imularada lupu
imuse
DDCs ti wa ni julọ commonly muse ni kannaa ni oko-eto ẹnu imole tabi ohun elo-kan pato ese iyika. Lakoko ti o ti software awọn imuṣẹ ni o wa tun ṣee ṣe, mosi ni awọn DDS, multipliers, and input stages of the low-pass filters all run at the sampling rate of the input data. Yi data ti wa ni commonly ya taara lati afọwọṣe to oni converters (ADCs) iṣapẹẹrẹ ni mewa tabi ogogorun ti MHz. CORDIC is an alternative to the use of multipliers in the implementation of digital down converters.
Here is a client’s customized project, 1300~1400 Mhz input down converter to 300-400Mhz.
Aworan gbigbe downconverter China Shenzhen olupese， Isọdi igba
oruko: Aworan downconverter
awoṣe: LWDC-248258I
Nọmba nọmba: 1805001
RF +12V BA
Name: RF Down Converter
awoṣe: LWDC-3000I
awoṣe: LWDC-1400
Igbohunsafẹfẹ igbewọle 2G ~ 2.7G(2000~ 2700Mhz)
Isalẹ: 1800MHz
Igbohunsafẹfẹ jade: 200Mhz-700Mhz
SN2405002
| MIN | ORISI | Lux pẹlu IR lori | ||
| Igbohunsafẹfẹ nṣiṣẹ (MHz) | 1300 | – | 1400 | Ẹgbẹ igbohunsafẹfẹ ṣiṣẹ (MHz) |
| Oscillator agbegbe (MHz) | 1000 | Oscillator agbegbe (MHz) | ||
| ati awọn ẹrọ miiran fun H.264 iyipada ati šišẹsẹhin (MHz) | 300 | – | 400 | Igbohunsafẹfẹ agbedemeji (MHz) |
| Ere iyipada(Di) | 18 | 20 | 22 | Ere iyipada(Di) |
| Jèrè Flatness (Di) | ±1 | – | Gba flatness(dB) | |
| Nọmba ariwo (Di) | 1.5 | – | Noise Figure(dB) | |
| Ibudo Iduro Igbi Ratio VSWR | 1.5 | 1.8 | 2 | Ibudo Iduro Igbi Ratio VSWR |
| Port Impedance(Ohm) | 50 | – | ikọjujasi ibudo(Ohm) | |
| O pọju agbara igbewọle (dBm) | -5 | Agbara titẹ sii ti o pọju (dBm) | ||
| O pọju o wu agbara (dBm) | 15 | Agbara iṣelọpọ ti o pọju (dBm) | ||
| Sise foliteji (V) | 10 | 12 | 15 | Foliteji iṣẹ (V) |
| Awọn ọna lọwọlọwọ (MA) | 130 | 150 | 180 | Ṣiṣẹ lọwọlọwọ (mA) |
| ṣiṣisẹ liLohun (° C) | -25 | 55 | Iwọn otutu ti nṣiṣẹ (°C) | |
| Ibi otutu (° C) | -45 | 65 | Iwọn otutu ipamọ (C) | |
| Iwọn mm (lai asopọ) | 62x32x14mm | Awọn iwọn mm (lai asopo ohun) |
Customize Frequency Specification Sheet Download
| ohun kan | paramita |
| input frequency | 2100 MHz ～2500 MHz |
| output frequency | 350 MHz ～750 MHz |
| Local frequency | 1750 MHz |
| ariwo Figure | ≤1.5dB |
| jèrè | 15 Di |
| Carrier leakage | ≤-20dBm |
| Belt unevenness(8MHz) | ≤1.5dB |
| IIP3: | ≥15dBm |
| maximum input level | 0dBm |
| VSWR | ≤1.5 |
| operation temperature | -10～+60℃ |
| voltage current | ≤12V/240mA |
| RF Interface | N-50KFD |
| iwọn | 108*48*22mm |
| Power supply mode | Online power supply |
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