High-precision satellite navigation-ah chuan frequency source performance hian system positioning dikna leh stability chu direct-in a tichiang a ni. BeiDou System (BDS) hi lirthei kal dan, IoT, leh timing synchronization ang chi application-a hman a nih avangin, high-performance, low-power, miniaturized frequency component mamawhna a sang chho zel a ni. Suzhou Hangjing atanga TT53H4-10.000-33NQDTN 10 MHz TCXO hi he mamawh phuhrukna tur chiang taka siam timing solution stable tak a ni.
BeiDou Application hrang hrangte tana Core Value a ni
BeiDou receiver chhungah hian RF front end leh local oscillator generation atanga baseband sampling leh time synchronization thlengin reference clock stable tak a pawimawh hle. TT53H4 10 MHz TCXO hian a hnuaia thil pawimawh tak takah hian hmun pawimawh tak a chang a ni:
Signal Acquisition leh Tracking theihna tihchangtlun a ni
He device hian frequency stability ropui tak a pe a:
Frequency Stability a awm chuan:±0.5 ppm (–40℃atanga +85℃thleng) a ni.
A tir lama Frequency Tolerance: 1.1.±1.0 ppm a ni
BeiDou signal reception-ah chuan hei hi hetiang hian a letling a ni:
Frequency offset error a tihziaawm
Doppler search range a tawi zawk
Satellite signal lakna speed chak zawk
2. Hetah hian dilna section English-a lehlin a ni a, professional, official, leh concise technical tone vawng rengin.
Positioning dikna leh Convergence Speed tha zawk siam a ni
TCXO-a frequency error hi time error-ah a letling a, chu chuan pseudorange calculation a nghawng a ni. TT53H4 hian boruak inthlak danglamna avanga error accumulation chu a ti tlem thei hle a, hetiang hian:
Voltage Stability a awm chuan:±0.2 ppm (Vcc ±5%) a ni.
Load Stability a awm theih nan:±0.2 ppm a ni
Hei hian BeiDou terminal te chu dynamic environment-ah pawh positioning performance nghet tak an neih theih nan a pui a ni.
3.Signal chak lo performance tihchangtlun nan Low Phase Noise Design a ni
He model hian phase noise performance tha tak a nei a:
–97 dBc/Hz @ 10 Hz a ni
–125 dBc/Hz @ 100 Hz a ni
–145 dBc/Hz @ 1 kHz a ni
–155 dBc/Hz @ 100 kHz a ni
Hlawkpuina:
Signal tracking chak lo tak neih theihna tihchangtlun
Receiver signal-to-noise ratio (SNR) tihchangtlun a ni.
Bit error rate (BER) tihhniam a ni.
Hei hi khawpui canyon leh indoor area ang chi boruak harsa tak takah a pawimawh hle.
4. BeiDou Timing leh Holdover te tanpui
Timing equipment-ah chuan satellite signal te chu hun eng emaw chen a bo chuan TCXO hian local time continuity a vawng reng tur a ni. TT53H4 hian hetiang hian a pe a:
Kum upa lam rate hniam:Kum khatah ±1 ppm a ni
Fast Start-Up: tih hi a ni.5 ms a ni
Hei hian hun rei lote chhunga signal lock hloh lai pawhin system chuan timing output stable (eg, 10 MHz + PPS) a vawng reng thei a ni.
Product Specification pawimawh tak takte
Parameter bulpui ber berte
A hmingah chuan Frequency: 1.1.10.000 MHz a ni
Output chi hrang hrang: 1.1.HCMOS
Supply Voltage: 1000 a ni. 3.3V
Package lian leh te:SMD 5.0 × 3.2 mm (a design tlem zawk) a ni.
Electrical Performance lama thatna te
Duty Cycle chu: 1.1.45% ~ 55% (waveform symmetry tha tak) a ni.
Rise/Fall Hun: 1.1.6 ns (high-speed digital system nena inmil)
Tuna hman mek:6 mA chauh (low{1}}power design) a ni.
Temperature Range zau tak & Rintlakna sang tak
A hnathawhna Temperature: 1.1.–40℃~ +85℃a ni
Reliability test tam tak hmanga qualified:
>>Temperature cycling (cycle 1,000) a ni a, a chhuahna hmun hi a nuam hle.
>>Khaw lum leh vawt sang (85℃/ 85% RH) .
>>Vibration / Drop / ESD a awm thei
Frequency drift a awm chuan:±1 ppm chhungah an vawn vek
III.A hman dan tlangpui
TT53H4-10.000-33NQDTN hi hman a ni nasa hle a:
BeiDou / GNSS dawngtu te
Automotive hmanga kal theihna
Kut hmanga terminal te
Drone awmna hmun
Communication & Synchronization hmanrua te hman a ni
5G cell te tak te te
Hun inthlunzawmna server te
Network timing hmanrua te
Industrial & IoT hmanna tur a ni
Smart grid hmanga siam a ni
Industrial control dan tur ruahmanna siam a ni
Data lakkhawmna -precision sang tak
IV.Engvangin nge TT53H4 hi kan thlan?
Standard crystal oscillators (XO) leh high-cost OCXO te nena khaikhin chuan TT53H4 hian performance leh cost inkara balance tha ber a nei a:
BeiDou application mamawh phuhruk turin ppm-level high stability a awm
Complex environment-a performance tihchangtlun nan low phase noise design a ni
Compact size + power consumption tlem, embedded device tan a tha hle
Industrial environment mamawh tak tak tan rintlakna sang tak
A lian{1}}scale deployment atan cost-performance ratio tha tak a ni
V. Thutawp
BeiDou System hian precision sang zawk, power consumption hniam zawk, leh miniaturization lam a pan zel avangin TCXO hi terminal equipment atana core frequency reference a ni ta a ni. TT53H4-10.000-33NQDTN hian frequency stability tha tak, phase noise performance hniam tak, leh rintlakna sang tak a neih avangin BeiDou navigation, timing synchronization, leh communication system te tan timing foundation nghet leh rintlak tak a pe a ni.
Crystal oscillator mai ni lovin-system performance leh stability tichiangtu "heartbeat source" pawimawh tak a ni.