UM980 All Constellation Multi Frequency High Precision RTK Positioning Module
UKUFAKA NOKUSEBENZA
IMANIWALI YOSEBENZISAYO
WWW.UNICORECOMM.COM
UM980
BDS/GPS/GLONASS/Galileo/QZSS
I-All-constellation Multi-frequency
High Precision RTK Positioning Module
Copyright© 2009-2023, Unicore Communications, Inc.
Idatha ingashintsha ngaphandle kwesaziso.
Umlando Wokubuyekeza
|
Inguqulo |
Umlando Wokubuyekeza |
Usuku |
| R1.0 | Ukukhishwa kokuqala | 2022-08 |
| R1.1 | Uma isiqalo esishisayo singasetshenziswa, i-V_BCKP kufanele ixhunywe ku-VCC; Buyekeza umkhawulo we-IO kuThebula 2-4; Engeza isigaba 3.1: UM980 idizayini encane; Buyekeza ubukhulu obunconyiwe be-stencil eSahlukweni 4 |
2022-10 |
| R1.2 | Buyekeza amafrikhwensi asekelwe; Buyekeza i-TTFF; Engeza isahluko 3.5: Idizayini Yephakheji Enconyiwe ye-PCB; Lungiselela Isahluko 3.2 Idizayini Yokuphakelayo kwe-Antenna; Lungiselela Isahluko 3.3 Ukuvula nokucisha |
2023-04 |
Incwadi Yomsebenzisi UM980
Isaziso selungelo elisemthethweni
Le manuwali ihlinzeka ngolwazi nemininingwane ngemikhiqizo ye-Unicore Communication, Inc. (“Unicore”) okukhulunywe ngayo lapha.
Wonke amalungelo, isihloko nezithakazelo zalo mbhalo kanye nolwazi olufana nedatha, imiklamo, izakhiwo eziqukethwe kuleli bhukwana zigodliwe ngokugcwele, okuhlanganisa kodwa akukhawulelwe kumalungelo okushicilela, amalungelo obunikazi, izimpawu zokuthengisa namanye amalungelo obunikazi njengoba imithetho ebusayo efanelekile inganikeza, futhi lawo malungelo angase aguquke futhi agunyazwe, abhaliswe noma anikezwe kulo lonke ulwazi olushiwo ngenhla nanoma iyiphi ingxenye(i)ngxenye yalo nanoma iyiphi inhlanganisela yalezo zingxenye. I-Unicore iphethe izimpawu zokuthengisa ze, “UNICORECOMM” kanye nelinye igama lokuhweba, uphawu lokuhweba, isithonjana, ilogo, igama lomkhiqizo kanye/noma uphawu lwesevisi lwemikhiqizo ye-Unicore noma uchungechunge lomkhiqizo wabo okukhulunywe ngalo kule manuwali (ngokuhlangene “Izimpawu Zokuhweba Ezingafani”). Le manuwali nanoma iyiphi ingxenye yayo, angeke ithathwe njengokusho, ngokusobala, ngokushiwo, nge-estoppel nanoma yiluphi olunye uhlobo, ukunikeza noma ukudluliselwa kwamalungelo kanye/noma izithakazelo ze-Unicore (okuhlanganisa kodwa kungagcini nje kumalungelo ophawu lokuhweba ashiwo ngenhla), ngokuphelele noma ingxenye.
Umshwana wokuzihlangula
Ulwazi oluqukethwe kuleli bhukwana luhlinzekwe “njengoba lunjalo” futhi kukholakala ukuthi luyiqiniso futhi lulungile ngesikhathi lushicilelwa noma lubuyekezwa. Le manuwali ayimele, futhi kunoma yikuphi, ngeke kuthathwe njengezibopho noma iwaranti ngasohlangothini lwe-Unicore maqondana nokufaneleka kwenjongo/ukusetshenziswa okuthile, ukunemba, ukwethembeka kanye nokunemba kolwazi oluqukethwe lapha.
Ulwazi, olufana nokucaciswa komkhiqizo, izincazelo, izici kanye negayidi yomsebenzisi kuleli bhukwana, kungashintshwa yi-Unicore nganoma yisiphi isikhathi ngaphandle kwesaziso sangaphambili, okungenzeka kungahambisani ngokuphelele nolwazi olunjalo lomkhiqizo othile owuthengayo.
Uma uthenga umkhiqizo wethu futhi uhlangabezana nanoma yikuphi ukungqubuzana, sicela usithinte noma umsabalalisi wethu wasendaweni ogunyaziwe ukuze uthole inguqulo yakamuva yale manuwali kanye nanoma iyiphi i-addenda noma i-corrigenda.
Isandulelo
Lo mbhalo uchaza imininingwane yehardware, iphakheji, imininingwane kanye nokusetshenziswa kwamamojula we-Unicore UM980.
Abafundi Abaqondisiwe
Lo mbhalo usebenza kochwepheshe abanobuchwepheshe bokwamukela i-GNSS.
Isingeniso
I-UM980 isizukulwane esisha semojula ye-GNSS enembayo ephezulu ye-RTK evela ku-Unicore. Isekela wonke ama-constellations nawo wonke ama-frequencies, futhi ingalandelela ngesikhathi esisodwa i-BDS B1I/B2I/B3I/B1C/B2a/B2b, GPS L1/L2/L5, GLONASS G1/G2/G3, Galileo E1/E5a/E5b/E6, QZSS L1 /L2/L5, NavIC L5 kanye ne-SBAS. Imojula isetshenziswa kakhulu ekuhloleni nasekudwebeni imephu, ezolimo ezinembayo, ama-UAV, namarobhothi azimele. I-UM980 isuselwe ku-NebulasIVTM , i-GNSS SoC ehlanganisa i-RF-baseband kanye ne-algorithm yokunemba okuphezulu. Ngaphandle kwalokho, i-SoC ihlanganisa i-dual-core CPU, i-high speed point processor kanye ne-RTK co-processor enomklamo wamandla aphansi angu-22 nm, futhi isekela iziteshi ezinkulu ezingu-1408. Konke lokhu okungenhla kunika amandla ukucutshungulwa kwesignali okuqinile. Ngobuchwepheshe obakhelwe ngaphakathi be-JamShield obuguquguqukayo bokulwa ne-jamming, i-UM980 ingagcwalisa isixazululo senjini ye-RTK eqinisayo ye-multi-mode multi-frequency, eqinisekisa ukusebenza kahle ngesivinini sokuqala se-RTK, ukunemba kokulinganisa nokuthembeka ngisho nasezimweni eziyinselele kakhulu njenge imihosha yasemadolobheni kanye nemithunzi yezihlahla. Ngaphezu kwalokho, i-UM980 isekela ukuxhumana okuningi okufana ne-UART, I 2 * C , SPI * , kanye ne-1PPS, EVENT, CAN * , ehlangabezana nezidingo zamakhasimende ezinhlelweni ezahlukene. 
1.1 Izici ezibalulekile
- Ngokusekelwe kusizukulwane esisha i-GNSS SoC -NebulasⅣTM , ene-RF-baseband kanye nokunemba okuphezulu kwe-algorithm ehlanganisiwe
- 17 mm × 22 mm × 2.6 mm, idivayisi yokukhweza phezulu
- Isekela isixazululo sokumisa se-RTK se-constellation multi-frequency on-chip
- Isekela i-BDS B1I/B2I/B3I/B1C/B2a/B2b + GPS L1/L2/L5 + GLONASS G1/G2/G3 + Galileo E1/E5a/E5b/E6 + QZSS L1/L2/L5 + NavIC L5 + SBAS
- Injini ye-RTK ye-All-constellation multi-frequency kanye nobuchwepheshe bokucubungula be-RTK obuthuthukisiwe
- Ubuchwepheshe bokuqalisa obusheshayo be-RTK
- Ukulandelela okuzimele kwamafrikhwensi ahlukene, kanye nobuchwepheshe be-anti-jamming ye-narrowband engu-60 dB
1.2 Imininingwane Ebalulekile
Ithebula 1-1 Imininingwane Yobuchwepheshe
| Ulwazi Oluyisisekelo | |
| Iziteshi | 1408 iziteshi, ezisekelwe ku-NebulasIV |
| Imilaza | BDS/GPS/GLONASS/Galileo/QZSS |
| Amafrikhwensi | I-BDS: B1I, B2I, B3I, B1C, B2a, B2b I-GPS: L1 C/A, L1C, L2P (Y), L2C, L5 I-GLONASS: G1, G2, G3 UGalileo: E1, E5a, E5b, E6 I-QZSS: L1, L2, L5 I-NavIC: L5 |
| Amandla | |
| Voltage | +3.0 V ~ +3.6 V DC |
| Ukusetshenziswa kwamandla | 480 mW (Okuvamile) |
Ukusebenza
| Ukunemba Kokumisa | I-Single Point Positioning (RMS) | Okuvundlile: 1.5 m | ||
| Ukuma: 2.5 m | ||||
| I-DGPS (RMS)12 | Okuvundlile: 0.4 m | |||
| Ukuma: 0.8 m | ||||
| I-RTK (RMS)12 | Okuvundlile: 0.8 cm + 1 ppm | |||
| Okuqondile: 1.5 cm + 1 ppm | ||||
| Ukunemba Kokubuka (RMS) | I-BDS | I-GPS | I-GLONASS | UGalileo |
| BB/BIC/LIG/Li C/A/GI/El Pseudorange | 10 cm | 10 cm | 10 cm | 10 cm |
| B11/B1C/L1C/L1 C/A/GI/El Carrier Phase | 1 mm | 1 mm | 1 mm | 1 mm |
| B3I/L2P(Y)/L2C/G2/E6 Pseudorange | 10 cm | 10 cm | 10 cm | 10 cm |
| B31/12P(Y)/L2C/G2/E6 Carrier Phase | 1 mm | 1 mm | 1 mm | 1 mm |
| B2I/B2a/B2b/L5/G3/E5a/E5b Pseudorange | 10 cm | 10 cm | 10 cm | 10 cm |
| B21/B2a/B2b/L5/G3/E5a/E5b Carrier Phase | 1 mm | 1 mm | 1 mm | 1 mm |
| Ukunemba Kokushaya Kwesikhathi (RMS) | 20 ns | |||
| Ukunemba Kwesivinini3 (RMS) | 0.03 m/s | |||
- Imiphumela yokuhlolwa ingase icheme ngenxa yezimo zomoya, ubude besisekelo, uhlobo lwe-antenna ye-GNSS, i-multipath, inani lamasathelayithi abonakalayo, ne-satellite geometry.
- Isilinganiso sisebenzisa isisekelo esingu-1 km kanye nomamukeli osebenza kahle uthingo, ngaphandle kwamaphutha angaba khona okususwa kwesikhungo se-antenna.
- Isibhakabhaka esivulekile, isigcawu esingavinjelwe, 99% @ simile
| Isikhathi Sokuqala Sokulungisa4 (TTFF) | Ukuqala Okubandayo < 12 s |
| Ukuqala Okushisayo < 4 s | |
| Isikhathi Sokuqalisa1 | < 5 s (Okuvamile) |
| Ukuqala Ukuthembeka1 | > 99.9% |
| Izinga Lokubuyekezwa Kwedatha | 50 Hz5 Ukuma |
| Idatha Ehlukile | I-RTCM 3.X |
| Ifomethi Yedatha | I-NMEA-0183, i-Unicore |
| Izici Zomzimba | |
| Iphakheji | 54 pin LGA |
| Ubukhulu | 22 mm × 17 mm × 2.6 mm |
| Isisindo | 1.88 g ± 0.03 g |
| Imininingwane Yemvelo | |
| Izinga Lokushisa Lokusebenza | -40 °C ~ +85 °C |
| Izinga Lokushisa Lesitoreji | -55 °C ~ +95 °C |
| Umswakama | 95% Akukho ukufingqa |
| Ukudlidliza | I-GJB150.16A-2009, MIL-STD-810F |
| Ukushaqeka | I-GJB150.18A-2009, MIL-STD-810F |
| Amachweba asebenzayo | |
| UART × 3 | |
| 2 I * C × 1 | |
| I-SPI* × 1 | Isigqila |
| INGABE * × 1 | Kwabiwe ne-UART3 |
* I 2 C, SPI, CAN: ukuxhumana okugciniwe, akusekelwe okwamanje
4 -130dBm @ amasathelayithi atholakalayo angaphezu kuka-12
5 Isekela i-50 Hz ngemva kokuthuthukiswa kwe-firmware
1.3 Umdwebo Webhulokhi
- Ingxenye ye-RF
Umamukeli uyahlungwa futhi athuthukiswe isignali ye-GNSS kusuka ku-antenna ngentambo ye-coaxial. Ingxenye ye-RF iguqula amasignali okokufaka e-RF abe amasignali e-IF, futhi iguqule amasignali e-analog e-IF abe amasignali edijithali adingekayo ku-NebulasIV TM chip (UC9810). - I-NebulasIVTM SoC (UC9810)
I-NebulasIV (UC9810) iyisizukulwane esisha se-UNICORECOMM sokunemba okuphezulu kwe-GNSS SoC enomklamo wamandla aphansi angu-22 nm, esekela wonke ama-constellations wonke ama-frequencies kanye neziteshi ezinhle kakhulu ezingu-1408. Ihlanganisa i-dual-core CPU, iphrosesa yephoyinti elintantayo elinesivinini esiphezulu kanye ne-RTK co-processor, engafeza ukunemba okuphezulu kokucubungula kwe-baseband kanye nokuma kwe-RTK ngokuzimela. - I-interface yangaphandle
Ukuxhumana kwangaphandle kwe-UM980 kufaka phakathi i-UART, I 2 * C , SPI * , CAN * , PPS, EVENT, RTK_STAT, PVT_STAT, ERR_STAT, RESET_N, njll.
Izingxenyekazi zekhompuyutha
2.1 Phina Incazelo 
Ithebula 2-1 Incazelo Yephinikhodi
| Cha. | Phina | I/O | Incazelo |
| 1 | GND | - | Ground |
| 2 | ANT_IN | I | Okokufaka kwesignali ye-antenna ye-GNSS |
| 3 | GND | - | Ground |
| 4 | ANT_DETECT | I | Ukutholwa kwesignali ye-antenna |
| 5 | ANT_OFF | O | Khubaza i-LNA yangaphandle |
| 6 | ANT_SHORT_N | I | Ukutholwa kwesekethe ye-antenna; okusebenzayo okuphansi |
| 7 | VCC_RF6 | O | Ukunikezwa kwamandla kwangaphandle kwe-LNA |
| 8 | I-SPIS_CSN | I | Khetha iphinikhodi yesigqila se-SPI |
| 9 | SPIS_MOSI | I | I-Master Out / Slaving In. Le phinikhodi isetshenziselwa ukwamukela idatha kumodi yesigqila. |
| 10 | I-SPIS_CLK | I | Iphinikhodi yokufaka iwashi yesigqila se-SPI |
| 11 | I-SPIS_MISO | O | Master In / Slave Out. Le phinikhodi isetshenziselwa ukudlulisa idatha kumodi yesigqila. |
| 12 | GND | - | Ground |
| 13 | I-RSV | - | Igodliwe |
| 14 | GND | - | Ground |
| 15 | NC | - | Akukho ukuxhumana ngaphakathi |
| 16 | NC | - | Akukho ukuxhumana ngaphakathi |
| 17 | NC | - | Akukho ukuxhumana ngaphakathi |
| 18 | NC | - | Akukho ukuxhumana ngaphakathi |
| 19 | PVT_STAT | O | Isimo se-PVT: ukusebenza okuphezulu; Imiphumela iphezulu uma imile futhi iphansi uma ingami |
| 20 | RTK_STAT | O | Isimo se-RTK: ukusebenza okuphezulu; imiphumela ephezulu yesisombululo esigxilile se-RTK futhi iphansi kwesinye isimo sokuma noma akukho ukuma |
| 21 | ERR_STAT | O | Isimo sephutha: ukusebenza okuphezulu; imiphumela iphezulu lapho wehluleka ukuzihlola, futhi iphansi lapho uphumelela ukuzihlola |
| 22 | I-RSV | - | Igodliwe, iyanconywa ukuthi intante |
| 23 | I-RSV | - | Igodliwe, iyanconywa ukuthi intante |
| 24 | NC | - | Akukho ukuxhumana ngaphakathi |
| 25 | NC | - | Akukho ukuxhumana ngaphakathi |
| 26 | I-RXD2 | I | Okokufaka kwe-COM2, izinga le-LVTTL |
| 27 | I-TXD2 | O | Okukhiphayo kwe-COM2, izinga le-LVTTL |
| 28 | I-BIF | - | Umsebenzi owakhelwe ngaphakathi; kunconyiwe ukwengeza indawo yokuhlola imbobo kanye nokudonsa okungu-10 kΩ isiphikisa; ayikwazi ukuxhuma umhlabathi noma ukunikezwa kwamandla, futhi ayikwazi ukufaka/yokukhipha idatha, kodwa ingantanta |
| 29 | I-BIF | - | Umsebenzi owakhelwe ngaphakathi; kunconywa ukwengeza indawo yokuntinyela embobeni kanye ne-10 kΩ pullup resistor; ayikwazi ukuxhuma umhlabathi noma ukunikezwa kwamandla, futhi ayikwazi ukufaka/yokukhipha idatha, kodwa ingantanta |
| 30 | I-TXD3 | O | I-COM3 okukhiphayo, engasetshenziswa njenge-CAN TXD, izinga le-LVTTL |
| 31 | I-RXD3 | I | Okokufaka kwe-COM3, okungasetshenziswa njengeleveli ye-CAN RXD, LVTTL |
| 32 | GND | - | Ground |
| 33 | VCC | I | Ukunikezwa kwamandla kagesi |
| 34 | VCC | I | Ukunikezwa kwamandla kagesi |
| 35 | I-RSV | - | Igodliwe |
| 36 | V_BCKP | I | Uma i-VCC eyinhloko kagesi inqanyulwa, i-V_BCKP inikeza amandla ku-RTC nerejista efanele. Isidingo sezinga: 2.0 V ~ 3.6 V, futhi ukusebenza kwamanje kufanele kube ngaphansi kuka-60 μA ku-25 °C. Uma ungawusebenzisi umsebenzi wokuqalisa okushisayo, xhuma i-V_BCKP ku-VCC. UNGAYIxhumeli phansi noma uyishiye intanta. |
| 37 | GND | - | Ground |
| 38 | NC | - | Akukho ukuxhumana ngaphakathi |
| 39 | NC | - | Akukho ukuxhumana ngaphakathi |
| 40 | NC | - | Akukho ukuxhumana ngaphakathi |
| 41 | GND | - | Ground |
| 42 | I-TXD1 | O | Okukhiphayo kwe-COM1, izinga le-LVTTL |
| 43 | I-RXD1 | I | Okokufaka kwe-COM1, izinga le-LVTTL |
| 44 | I-SDA | I/O | Idatha ye-I2C |
| 45 | I-SCL | I/O | Iwashi le-I2C |
| 46 | NC | - | Akukho ukuxhumana ngaphakathi |
| 47 | NC | - | Akukho ukuxhumana ngaphakathi |
| 48 | GND | - | Ground |
| 49 | SETHA KABUSHA_N | I | Ukusetha kabusha uhlelo; okusebenzayo Okuphansi. Isikhathi sokusebenza akufanele sibe ngaphansi kuka-5 ms. |
| 50 | NC | - | Akukho ukuxhumana ngaphakathi |
| 51 | EVENT | I | Okokufaka kophawu lomcimbi, okuvama ukulungiseka kanye ne-polarity |
| 52 | NC | - | Akukho ukuxhumana ngaphakathi |
| 53 | I-PPS | O | I-Pulse ngomzuzwana, enobubanzi be-pulse obulungisekayo kanye ne-polarity |
| 54 | NC | - | Akukho ukuxhumana ngaphakathi |
2.2 Imininingwane kagesi
2.2.1 Izilinganiso Eziphelele Eziphelele
Ithebula 2-2 Izilinganiso Eziphelele Eziphelele
| Ipharamitha | Uphawu | Okuncane. | Ubukhulu. | Iyunithi |
| Amandla Wokunikezela Voltage | VCC | -0.3 | 3.6 | V |
| Okokufaka Voltage | Vin | -0.3 | 3.6 | V |
| Okokufaka Kwesiginali ye-Antenna ye-GNSS | ANT_IN | -0.3 | 6 | V |
| Amandla Wokufaka we-Antenna RF | Amandla okokufaka we-ANT_IN | 10 | dBm | |
| I-LNA Power Supply yangaphandle | VCC_RF | -0.3 | 3.6 | V |
| Okukhiphayo kwe-VCC_RF Yamanje | ICC_RF | 100 | mA | |
| Izinga Lokushisa Lesitoreji | Tstg | -55 | 95 | °C |
2.2.2 Izimo zokusebenza
Ithebula 2-3 Izimo Zokusebenza
| Ipharamitha | Uphawu | Okuncane. | Thayipha. | Ubukhulu. | Iyunithi | Isimo |
| Amandla Wokunikezela Voltage7 | VCC | 3 | 3.3 | 3.6 | V | |
| Inani eliphakeme kakhulu lama-VCC Ripple | I-vrpp | 0 | 50 | mV | ||
| Ukusebenza Kwamanje 8 | Iopr | 145 | 180 | mA | I-VCC=3.3 V |
6 Akunconywa ukuthatha i-VCC_RF njenge-ANT_BIAS ukuze uphakele uthi. Bheka isigaba 3.2 ukuze uthole okwengeziwe
7 Umqutagi-e range ye-VCC (3.0 V ~ 3.6 V) isivele ifake i-ripple voltage.
8 Njengoba umkhiqizo unama-capacitor ngaphakathi, i-inrush current iyenzeka ngesikhathi sokukhanyisa. Kufanele uhlole endaweni yangempela ukuze uhlole umphumela womthamo wokunikezwayotage ukwehla okubangelwa inrush
| Ipharamitha | Uphawu | Okuncane. | Thayipha. | Ubukhulu. | Iyunithi C |
| I-VCC_RF Output Voltage | VCC_RF | I-VCC-0.1 | V | ||
| Okukhiphayo kwe-VCC_RF Yamanje | ICC_RF | 50 | mA | ||
| Izinga Lokushisa Lokusebenza | I-Topr | -40 | 85 | °C | |
| Ukusetshenziswa kwamandla | P | 480 | mW |
2.2.3 IO Threshold
Ithebula 2-4 IO Threshold
| Ipharamitha | Uphawu | Okuncane. | Thayipha. | Ubukhulu. | Iyunithi C | Isimo |
| Izinga Eliphansi Okokufaka Voltage |
Vin_low | 0 | 0.6 | V | ||
| Izinga eliphezulu Okokufaka Voltage |
Vin_high | I-VCC × 0.7 | I-VCC + 0.2 | V | ||
| Izinga Eliphansi Okukhipha Umqtage |
I-Vout_low | 0 | 0.45 | V | Iout = 2mA | |
| Izinga eliphezulu Okukhipha Umqtage |
Vuka_phezulu | VCC - 0.45 |
VCC | V | Iout = 2mA |
2.2.4 Isici se-Antenna
Ithebula 2-5 Isici se-Antenna
| Ipharamitha | Uphawu | Okuncane. | Thayipha. | Ubukhulu. | Iyunithi C | Isimo |
| Inzuzo Yokufaka Engcono Kakhulu | I-Gant | 18 | 30 | 36 | dB |
2.3 Ubukhulu
Ithebula 2-6 Ubukhulu
|
Ipharamitha |
Okuncane. (mm) | Thayipha. (mm) |
Ubukhulu. (mm) |
| A | 21.80 | 22.00 | 22.50 |
| B | 16.80 | 17.00 | 17.50 |
| C | 2.40 | 2.60 | 2.80 |
| D | 3.75 | 3.85 | 3.95 |
| E | 0.95 | 1.05 | 1.15 |
| F | 1.80 | 1.90 | 2.00 |
| G | 1.00 | 1.10 | 1.20 |
| H | 0.70 | 0.80 | 0.90 |
| K | 1.40 | 1.50 | 1.60 |
| M | 3.55 | 3.65 | 3.75 |
| N | 3.15 | 3.25 | 3.35 |
| P | 2.00 | 2.10 | 2.20 |
| R | 1.00 | 1.10 | 1.20 |
| X | 0.72 | 0.82 | 0.92 |
I-Hardware Design
3.1 Idizayini Encane Enconyiwe
I-L1: I-68 nH RF inductor kuphakheji engu-0603 iyanconywa
I-C1: I-100 nF + 100 pF capacitor exhunywe ngokuhambisana iyanconywa
I-C2: I-100 pF capacitor iyanconywa
C3: N * 10 μF + 1 * 100 nF capacitor exhunywe ngokuhambisana kuyanconywa, futhi inductance isiyonke akufanele ibe ngaphansi kuka-30 μF
I-R1: 10 kΩ resistor iyanconywa
3.2 Idizayini yokuphakela kwe-antenna
I-UM980 ivele isekele ukuphakela uthi ukusuka ngaphandle kwemojula kunokusuka ngaphakathi. Kunconywa ukusebenzisa amadivaysi anamandla aphezulu futhi angakwazi ukumelana nevolthi ephezulutage. Ishubhu yokukhipha igesi, i-varistor, ishubhu ye-TVS namanye amadivaysi okuvikela amandla aphezulu angasetshenziswa futhi kumjikelezo wokuphakelwa kwamandla ukuze kuqhutshekwe nokuvikela imojula ekushayweni kombani nasekuqhumeni.
Uma isiphakeli se-antenna sinikezela nge-ANT_BIAS kanye ne-VCC yemojuli eyinhloko isebenzisa ujantshi wamandla ofanayo, i-ESD, i-surge kanye ne-overvoltagi-e evela othini izoba nomthelela ku-VCC, okungase kudale umonakalo kumojuli. Ngakho-ke, kuyanconywa ukuthi udizayine i-ANT_BIAS ujantshi wamandla ozimele ukuze unciphise amathuba okulimala kwemojuli. 
Amanothi:
- I-L1: i-feed inductor, i-68 nH RF inductor kuphakheji engu-0603 iyanconywa
- I-C1: i-decoupling capacitor, inconywa ukuxhuma ama-capacitor amabili we-100 nF/100 pF ngokuhambisana
- I-C2: I-DC blocking capacitor, i-capacitor eyi-100 pF enconyiwe
- Akunconyiwe ukuthatha i-VCC_RF njenge-ANT_BIAS ukondla uthi (i-VCC_RF ayilungiselelwe isiteleka sokunqanda umbani, i-anti-surge kanye nokuvikelwa kwamanje ngenxa yosayizi ohlangene wemojuli)
- I-D1: I-ESD diode, khetha idivayisi yokuvikela ye-ESD esekela amasiginali aphezulu (ngaphezu kuka-2000 MHz)
- D2: I-TVS diode, khetha i-TVS diode ene-cl efaneleampukucaciswa ngokwesidingo sokudla voltage kanye nothi olumelana nomthamotage
3.3 Ukuvula nokucisha
VCC
- Izinga lokuqala le-VCC lapho amandla okukhanyisa kufanele abe ngaphansi kuka-0.4 V.
- I-VCC Ramp lapho amandla avuliwe kufanele abe monotonic, ngaphandle kwamathafa.
- IVoltagama-undershoot kanye nokukhala kufanele kube ngaphakathi kwe-5% VCC.
- I-VCC power on waveform: Isikhathi esisuka ku-10% sikhuphuka siye ku-90% kufanele sibe phakathi kuka-100 μs ~1 ms.
- Isikhawu sesikhathi sokuvula amandla: Isikhathi esiphakathi kokucisha ugesi (VCC <0.4 V) ukuya kumandla okukhanyisa olandelayo kufanele sibe sikhulu kuno-500 ms.
V_BCKP
- Ileveli yokuqala ye-V_BCKP lapho amandla okukhanyisa kufanele abe ngaphansi kuka-0.4 V.
- I-V_BCKP ramp lapho amandla avuliwe kufanele abe monotonic, ngaphandle kwamathafa.
- IVoltagama-undershoot kanye nokukhala kufanele kube phakathi kuka-5% V_BCKP.
- I-V_BCKP yefomu lokuvula amandla: Isikhathi esisuka ku-10% sikhuphuka siye ku-90% kufanele sibe phakathi kuka-100 μs ~1 ms.
- Isikhawu sesikhathi sokuvula amandla: Isikhathi esiphakathi kokucisha amandla (V_BCKP <0.4 V) ukuya emandleni okuvula okulandelayo kufanele sibe sikhulu kuno-500 ms.
3.4 Ukugawulwa phansi kanye nokuchithwa kokushisa 
Amaphedi angu-48 kunxande kuMfanekiso 3-3 awokumisa phansi kanye nokukhipha ukushisa. Ekwakhiweni kwe-PCB, amaphedi kufanele axhunywe endaweni enosayizi omkhulu ukuze kuqiniswe ukuchithwa kokushisa.
3.5 Idizayini Yephakheji Enconyiwe ye-PCB
Bona isibalo esilandelayo sedizayini yephakheji enconyiwe ye-PCB.
Amanothi:
Ukuze kube lula ukuhlola, ama-soldering pads of the pin aklanywe isikhathi eside, edlula umngcele wemojula kakhulu. Okwesiboneloample:
- Amaphedi achazwe njengemininingwane C angama-1.79 mm ubude kunomngcele wemojuli.
- Iphedi eshiwo njengemininingwane A inde ngo-0.50 mm kunomngcele wemojuli. Ifushane njengoba iyiphinikhodi ye-RF, ngakho-ke sithemba ukuthi umkhondo ongaphezulu kufushane ngangokunokwenzeka ukuze unciphise umthelela wokuphazamiseka kwangaphandle kumasignali e-RF.
Isidingo Sokukhiqiza
Ijika lokushisa elinconyiwe le-solder limi kanje: 
Ukwenyuka Kwezinga Lokushisatage
- Umthambeka okhuphukayo: Max. 3 ° C/s
- Izinga lokushisa elikhulayo: 50 ° C ~ 150 °C
Ukushisa kuqala i-Stage
- Isikhathi sokushisa: 60s ~ 120 s
- Ibanga lokushisa elishisa ngaphambili: 150 °C ~ 180 °C
I-Reflux Stage
- Ngaphezulu kwezinga lokushisa elincibilikayo (217 °C) isikhathi: 40s ~ 60 s
- Izinga lokushisa eliphakeme lokunamathisela: alikho ngaphezulu kuka-245 °C
Ukupholisa uStage
- Umthambeka wokupholisa: Max. 4 °C / s
- Ukuze uvimbele ukuwa ngesikhathi se-soldering ye-module, ungayithengisi ngemuva kwebhodi ngesikhathi sokuklama, futhi akunconywa ukuthi uhambe ngomjikelezo we-soldering kabili.
- Ukusethwa kwezinga lokushisa lokunamathisela kuncike ezintweni eziningi zefekthri, njengohlobo lwebhodi, uhlobo lokunamathisela i-solder, ukujiya kokunamathisela kwe-solder njll. Sicela futhi ubhekisele kumazinga e-IPC afanelekile kanye nezinkomba zokunamathisela kwe-solder.
- Njengoba izinga lokushisa le-lead soldering liphansi kakhulu, uma usebenzisa le ndlela, sicela unike kuqala ezinye izingxenye ebhodini.
- Ukuvulwa kwe-stencil kudinga ukuhlangabezana nesidingo sakho sokuklama futhi kuhambisane nezindinganiso zokuhlola. Ubukhulu be-stencil bunconywa ukuthi bube ngu-0.15mm.
Ukupakisha
5.1 Incazelo Yelebula 
5.2 Ukupakishwa Komkhiqizo
Imojula ye-UM980 isebenzisa itheyiphu yenkampani yenethiwekhi kanye ne-reel (efanele amadivayisi ajwayelekile wokukhweza phezulu), ehlanganiswe nge-vacuum-sealed aluminium foil antistatic, ene-desiccant ngaphakathi ukuvimbela umswakama. Uma usebenzisa inqubo ye-reflow soldering kumamojula e-solder, ukuqasha kuthobelana ngokuqinile nezinga le-IPC ukuze ulawule izinga lokushisa nomswakama kumamojula. Njengoba izinto zokupakisha ezifana ne-carrier tape zingakwazi ukumelana nezinga lokushisa lama-55 degrees Celsius, amamojula azosuswa ephaketheni ngesikhathi sokubhaka. 
Qaphela:
- Ukubekezelelana okuhlanganisiwe kwezimbobo eziseceleni eziyi-10 akufanele kudlule ± 0.2 mm.
- Indaba yetheyiphu: I-PS ye-antistatic emnyama (i-impedance ebusweni 10 5 -10 11 ) (ivolumu esezingeni eliphezulutage <100 V), ukujiya: 0.35 mm.
- Ubude obuphelele bephakheji ye-reel engu-13-intshi: 6.816 m (Ubude bengxenye yokuqala yamaphakethe angenalutho: 0.408 m, ubude bamaphakethe aqukethe amamojula: 6 m, ubude bengxenye yokugcina yamaphakethe angenalutho: 0.408 m).
- Isamba senani lamaphakethe kuphakheji ye-reel engu-13-intshi: 284 (Inani lengxenye yokuqala yamaphakethe angenalutho: 17; inani langempela lamamojula emaphaketheni: 250; inombolo yengxenye yokugcina yamaphakethe angenalutho: 17).
- Yonke imiklamo yobukhulu ihambisana ne-EIA-481-C-2003.
- Izinga eliphezulu lokugoba le-tape yenethiwekhi ngaphakathi kobude obungama-250 mm akufanele lidlule i-1 mm (bheka isithombe esingezansi).
Ithebula 5-1 Incazelo Yephakheji
| Into | Incazelo |
| Inombolo Yemojuli | 250 izingcezu / esondweni |
| Usayizi we-Reel | Ithreyi: 13″ Ububanzi bangaphandle: 330 ± 2 mm, Ububanzi bangaphakathi: 180 ± 2mm, Ububanzi: 44.5 ± 0.5 mm Ubukhulu: 2.0 ± 0.2 mm |
| I-Carrier Tape | Isikhala phakathi (ibanga eliphakathi nendawo): 24 mm |
Ngaphambi kokunyuswa kwendawo, qiniseka ukuthi umbala wombuthano ongu-30% KU-HUMIDITY INDICATOR uluhlaza okwesibhakabhaka (bona Umfanekiso 5-4). Uma umbala wendilinga engu-20% uphinki futhi umbala wendilinga engu-30% uyi-lavender (bheka Umfanekiso 5-5), kufanele ubhake imojuli ize iphenduke ibe luhlaza okwesibhakabhaka. I-UM980 ikalwe ezingeni 3 le-MSL. Sicela ubhekisele kumazinga e-IPC/JEDEC J-STD-033 ngephakheji nokusebenza kwezidingo. Ungakwazi futhi ukufinyelela ku- webindawo www.jedec.org ukuze uthole ulwazi olwengeziwe.
Isikhathi seshelufu semojula ye-UM980 epakishwe ezikhwameni ze-aluminiyamu evalwe nge-vacuum evalwe nge-antistatic unyaka owodwa.
Inkampani Unicore Communications, Inc.
F3, No.7, Fengxian East Road, Haidian, Beijing, PRChina,
100094
www.unicorecomm.com
Ucingo: 86-10-69939800
Ifeksi: 86-10-69939888
info@unicorecomm.com
www.unicorecomm.com
Amadokhumenti / Izinsiza
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