- 您现在的位置：买卖IC网 > Datasheet目录517 > SM1212E433 (Semtech)RF EVAL FOR SX1212 433MHZ ISM Datasheet资料下载
参数资料
| 型号： | SM1212E433 |
| 厂商： | Semtech |
| 文件页数： | 3/77页 |
| 文件大小： | 0K |
| 描述： | RF EVAL FOR SX1212 433MHZ ISM |
| 标准包装： | 1 |
| 类型： | 收发器，ISM |
| 频率： | 433MHz |
| 适用于相关产品： | SX1212E |
| 已供物品： | 模块，天线，电源，软件 |
第1页第2页当前第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页
SX1212
ADVANCED COMMUNICATIONS & SENSING
Index of Figures
Figure 1: SX1212 Simplified Block Diagram .................................. 5
Figure 2: SX1212 Pin Diagram ...................................................... 6
Figure 3: SX1212 Detailed Block Diagram .................................. 12
Figure 4: Power Supply Breakdown............................................. 13
Figure 5: Frequency Synthesizer Description .............................. 14
Figure 6: LO Generator ................................................................ 14
Figure 7: Loop Filter ..................................................................... 16
Figure 8: Transmitter Architecture ............................................... 18
Figure 9: I(t), Q(t) Overview ......................................................... 18
Figure 10: PA Control................................................................... 21
Figure 11: Optimal Load Impedance Chart .................................. 21
Figure 12: Recommended PA Biasing and Output Matching ..... 22
Figure 13: Front-end Description ................................................. 22
Figure 14: Receiver Architecture ................................................. 23
Figure 15: FSK Receiver Setting ................................................. 23
Figure 16: OOK Receiver Setting ................................................ 23
Figure 17: Active Channel Filter Description................................ 24
Figure 18: Butterworth Filter's Actual BW .................................... 26
Figure 19: Polyphase Filter's Actual BW...................................... 26
Figure 20: RSSI Dynamic Range ................................................. 27
Figure 21: RSSI IRQ Timings ...................................................... 28
Figure 22: OOK Demodulator Description ................................... 29
Figure 33: Sync Word Recognition ...............................................40
Figure 34: Continuous Mode Conceptual View.............................41
Figure 35: Tx Processing in Continuous Mode .............................41
Figure 36: Rx Processing in Continuous Mode.............................42
Figure 37: uC Connections in Continuous Mode ..........................43
Figure 38: Buffered Mode Conceptual View .................................44
Figure 39: Tx processing in Buffered Mode (FIFO size = 16,
Tx_start_irq_0=0) ...............................................................45
Figure 40: Rx Processing in Buffered Mode (FIFO size=16,
Fifo_fill_method=0).............................................................46
Figure 41: uC Connections in Buffered Mode...............................47
Figure 42: Packet Mode Conceptual View....................................49
Figure 43: Fixed Length Packet Format........................................50
Figure 44: Variable Length Packet Format ...................................51
Figure 45: CRC Implementation ...................................................53
Figure 46: Manchester Encoding/Decoding..................................54
Figure 47: Data Whitening ............................................................54
Figure 48: uC Connections in Packet Mode .................................55
Figure 49: Optimized Rx Cycle .....................................................67
Figure 50: Optimized Tx Cycle......................................................68
Figure 51: Tx Hop Cycle ...............................................................69
Figure 52: Rx Hop Cycle ...............................................................70
Figure 23: Floor Threshold Optimization...................................... 30
Figure 53: Rx
Tx
Rx Cycle ...................................................71
Figure 24: BitSync Description..................................................... 31
Figure 25: SX1212’s Data Processing Conceptual View ............. 34
Figure 26: SPI Interface Overview and uC Connections ............. 35
Figure 27: Write Register Sequence ............................................ 36
Figure 28: Read Register Sequence............................................ 37
Figure 29: Write Bytes Sequence (ex: 2 bytes) ........................... 37
Figure 30: Read Bytes Sequence (ex: 2 bytes) ........................... 38
Figure 31: FIFO and Shift Register (SR)...................................... 38
Figure 32: FIFO Threshold IRQ Source Behavior........................ 39
Figure 54: POR Timing Diagram...................................................72
Figure 55: Manual Reset Timing Diagram ....................................72
Figure 56: Reference Design Circuit Schematic ...........................73
Figure 57: Reference Design‘s Stackup .......................................74
Figure 58: Reference Design Layout (top view)............................74
Figure 59: Package Outline Drawing ............................................75
Figure 60: PCB Land Pattern ........................................................75
Figure 61: Tape & Reel Dimensions .............................................76
Rev 2 – June 18th, 2009
Page 3 of 77
www.semtech.com
相关PDF资料 |
PDF描述 |
|---|---|
| SM1230E868 | BOARD EVAL XMITTER FOR SX1230 |
| SM16S-CM012-012 | SYNJET ZFLOW 50 PWM 12V |
| SM200P81 | RF MODULE 250/500MBPS 2.4GHZ SMA |
| SM2440G | LAMP T2 TELEPHONE SLIDE 24V .04A |
| SM3020G | LAMP T2 TELEPHONE SLIDE 30V .02A |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SM-1220M | 制造商: 功能描述: 制造商:undefined 功能描述: |
| SM12-3/16-BLK-200FT | 制造商:SUMITOMO 功能描述:177-10101 SM12 3/16 BLK SPL |
| SM12-3/4-WHT-200FT | 制造商:SUMITOMO 功能描述:SM12-3/4-WHT-200FT 制造商:SUMITOMO 功能描述:177-10189 SM12 3/4 WHT SPL |
| SM12-3/8-BLK-200FT | 制造商:Sumitomo Wiring Systems LTD 功能描述:177-10107 SM12 3/8 BLK SPL |
| SM1230E868 | 功能描述:BOARD EVAL XMITTER FOR SX1230 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796 |
发布紧急采购，3分钟左右您将得到回复。