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Cov Khoom Siv Yees Duab Detector Log Video Amplifiers (DLVAs) yog ib qho tseem ceeb hauv cov txheej txheem RF thiab microwave niaj hnub no. Nws ua qhov kev tshawb pom qhov siab tshaj plaws ntawm cov teeb liab RF nkag, ua kom cov teeb liab video voltage loj dua, thiab thaum kawg tso tawm DC voltage uas muaj kev sib raug zoo nrog lub zog RF nkag. Hauv cov lus yooj yim, lub tshuab ua kom pom cov yeeb yaj kiab detector log yog lub tshuab hloov pauv linear los ntawm "RF fais fab mus rau DC voltage." Nws lub ntsiab lus tseem ceeb yog nws lub peev xwm los nias cov teeb liab RF nrog ntau yam dynamic loj heev mus rau hauv cov teeb liab DC voltage me dua, yog li ua rau cov haujlwm ua cov teeb liab tom ntej yooj yim dua xws li kev hloov pauv analog-rau-digital, kev sib piv/kev txiav txim siab, thiab kev tso saib.
Cov yam ntxwv:
1. Kev them nqi zaus ultra-wideband
Qhov zaus ua haujlwm ntau ntawm 0.1GHz txog 20GHz, ua rau siv tau thoob plaws ntau qhov spectrum txij li L-band mus txog X-band. Ib chav tsev tuaj yeem hloov ntau lub cuab yeej narrowband, ua rau kev tsim qauv yooj yim dua.
2. Qhov ntau yam dynamic zoo heev
Nws muab ntau yam dynamic txog li 60dB, ua kom paub qhov txawv ntawm cov teeb liab muaj zog thiab tsis muaj zog thaum tswj tau qhov tseeb ntawm kev ntsuas thiab kev daws teeb meem zoo txawm tias nyob hauv cov chaw muaj spectrum nyuaj.
3. Kev sib txuas lus zoo thiab kev sib xws ntawm cov cav
Nws muab cov log linearity zoo heev thoob plaws tag nrho cov dynamic range thiab frequency band. Lub zog DC tso zis tswj hwm kev sib raug zoo linear nrog lub zog RF input, kom ntseeg tau tias cov txiaj ntsig ntsuas lub zog raug thiab txhim khu kev qha. Kev sib xws siab tau ua tiav ntawm cov channel (rau ntau-channel qauv) thiab thoob plaws cov pawg ntau lawm.
4. Kev teb ceev ceev heev
Nws muaj lub sijhawm nce/poob video nanosecond thiab lub sijhawm ua cov teeb liab qeeb. Nws tuaj yeem taug qab cov kev hloov pauv ntawm cov teeb liab pulse-modulated sai sai, ua tau raws li cov kev xav tau tiag tiag ntawm cov ntawv thov xws li radar pulse analysis thiab electronic support measures (ESM).
5. Kev koom ua ke siab thiab kev ntseeg siab
Siv cov thev naus laus zis ntawm qhov chaw thiab kev tsim qauv module sib xyaw ua ke, nws suav nrog lub tshuab ntes, lub tshuab ua kom lub zog loj (logarithmic amplifier), thiab lub voj voog them kub hauv lub tsev me me, uas muaj kev tiv thaiv. Nws muaj kev ruaj khov zoo ntawm qhov kub thiab txias thiab kev ua haujlwm tau ntev, tsim nyog rau cov chaw tub rog thiab kev lag luam uas nyuaj heev.
Cov ntawv thov:
1. Kev ua tsov rog hluav taws xob (EW) thiab cov cim qhia kev txawj ntse (SIGINT) systems
Kev ntsuas kev txhawb nqa hluav taws xob (ESM): Ua haujlwm ua lub hauv ntej rau cov khoom ceeb toom radar (RWR), ntsuas sai, txheeb xyuas, thiab nrhiav lub zog ntawm cov teeb liab radar rau kev paub txog kev hem thawj thiab tsim cov duab xwm txheej.
Kev txawj ntse hauv hluav taws xob (ELINT): Txheeb xyuas qhov tseeb ntawm cov yam ntxwv ntawm lub zog (qhov dav ntawm lub zog, qhov zaus rov ua dua, lub zog) ntawm cov teeb liab radar tsis paub rau kev txheeb xyuas cov teeb liab thiab kev tsim cov ntaub ntawv kos npe.
2. Kev saib xyuas thiab tswj cov spectrum
Saib xyuas cov teeb liab ua haujlwm thoob plaws ntau zaus hauv lub sijhawm tiag tiag, ntsuas qhov tseeb ntawm cov teeb liab cuam tshuam tsis raug cai lossis cov teeb liab phooj ywg. Siv rau kev pom qhov xwm txheej spectrum, qhov chaw ntawm qhov chaw cuam tshuam, thiab kev kuaj xyuas kev ua raws li spectrum.
3. Cov cuab yeej ntsuas thiab ntsuas kev ua tau zoo
Siv tau ua lub module nrhiav fais fab tseem ceeb hauv vector network analyzers (VNA), spectrum analyzers, lossis cov khoom siv kuaj tshwj xeeb, txuas ntxiv lub peev xwm ntsuas qhov ntau thiab tsawg ntawm cov cuab yeej, tshwj xeeb tshaj yog ua tau zoo hauv kev ntsuas lub zog pulse.
4. Cov tshuab radar
Siv rau kev saib xyuas kev tswj hwm qhov nce siab tsis siv neeg (AGC) hauv radar txais cov channel, saib xyuas lub zog tso zis ntawm lub transmitter, lossis ua haujlwm ua lub chaw txwv thiab lub zog nrhiav pom ntawm pem hauv ntej ntawm cov digital receivers (DRx) los tiv thaiv cov khoom rhiab heev tom qab.
5. Kev sib txuas lus thiab kev tshawb fawb thiab kev tsim kho hauv chaw kuaj mob
Siv rau kev saib xyuas thiab kho qhov txuas fais fab hauv cov kab ke sib txuas lus broadband (piv txwv li, kev sib txuas lus satellite, 5G / mmWave R & D). Hauv chav kuaj, nws yog ib qho cuab yeej zoo rau kev tshuaj xyuas cov yam ntxwv ntawm lub teeb liab thiab kev sim hluav taws xob.
Qualwave Inc. muab kev pabcuamCov Amplifiers Video Detector Loguas ua ke zoo kawg nkaus bandwidth dav, siab rhiab heev, teb sai, thiab linearity zoo heev, nrog rau cov zaus txuas mus txog 40GHz. Cov ntawv no qhia txog Detector Log Video Amplifier nrog cov zaus npog ntawm 0.1 ~ 20GHz.
1. Cov yam ntxwv hluav taws xob
Zaus: 0.1 ~ 20GHz
Dynamic Range: 60dBm hom.
TSS: -52dBm
Cav Qhov Ncej: 30mV / dB hom.
Cav Linearity: ± 3dB hom.
VSWR: 2 hom.
Lub Sijhawm Sawv * 1: 10ns hom.
Lub Sijhawm Rov Qab Zoo * 2: 10ns hom.
Video Tso Tawm Ntau Yam: 0.9 ~ 2.6V DC
Lub Hwj Chim Muab Khoom Siv Hluav Taws Xob: + 5V DC
Tam sim no: 80mA hom.
Video Thauj Khoom: 1KΩ feeb.
[1] Txij li 10% txog 90% @-10 dBm.
[2] Txij li 90% txog 10% @-10 dBm.
2. Qhov Ntsuas Siab Tshaj Plaws * 1
Lub zog tawm tswv yim: +15dBm
Lub Hwj Chim Muab Khoom Siv Hluav Taws Xob: + 6V
[3] Kev puas tsuaj mus tas li yuav tshwm sim yog tias muaj ib qho ntawm cov kev txwv no raug tshaj dhau.
3. Cov Khoom Siv Kho Tshuab
Loj * 4: 20 * 18 * 8 hli
0.787 * 0.709 * 0.315 nti
Cov Txuas RF: SMA Poj Niam (Tshem Tau)
Kev Teeb: 3-Φ2.2mm los ntawm qhov
[4] Tsis suav cov khoom sib txuas.
4. Ib puag ncig
Kub Ua Haujlwm: -45 ~ + 85 ℃
Kub tsis ua haujlwm: -55 ~ + 125 ℃
5. Cov Duab Qhia Txog
Chav: mm [hauv]
Kev kam rau siab: ± 0.2 hli [± 0.008 nti]
6. Yuav Ua Li Cas Thiaj Txiav Txim Tau
Yog tias koj xav tau cov khoom no, thov koj xav tiv tauj peb. Peb zoo siab muab cov ntaub ntawv tseem ceeb ntxiv. Peb txhawb nqa cov kev pabcuam kho kom haum rau qhov zaus, hom connector, thiab qhov loj ntawm pob khoom.
Lub sijhawm tshaj tawm: Tsib Hlis-29-2026