Hardware Design SIM800L (SIMCom) - 9
| 制造商 | SIMCom |
| 描述 | Quad-band GSM/GPRS module, that works on frequencies GSM850MHz, EGSM900MHz, DCS1800MHz and PCS1900MHz |
| 页数 / 页 | 70 / 9 — Smart Machine Smart Decision Figure 47: GSM antenna matching circuit.53 |
| 修订版 | 1.09 |
| 文件格式/大小 | PDF / 2.8 Mb |
| 文件语言 | 英语 |
Smart Machine Smart Decision Figure 47: GSM antenna matching circuit.53
该数据表的模型线
文件文字版本
Smart Machine Smart Decision Figure 47: GSM antenna matching circuit.53
Figure 48: GSM simple antenna matching circuit .53
Figure 49: FM antenna matching circuit. 54
Figure 50: GND pin of the earphone use to be the FM antenna interface .54
Figure 51: Pin assignment.55
Figure 52: Recommended PCB layout .57
Figure 53: Top and bottom view of SIM800L .63
Figure 54: Typical solder reflow profile .63 SIM800L_Hardware_Design_V1.00 9 2013-08-20
Figure 48: GSM simple antenna matching circuit .53
Figure 49: FM antenna matching circuit. 54
Figure 50: GND pin of the earphone use to be the FM antenna interface .54
Figure 51: Pin assignment.55
Figure 52: Recommended PCB layout .57
Figure 53: Top and bottom view of SIM800L .63
Figure 54: Typical solder reflow profile .63 SIM800L_Hardware_Design_V1.00 9 2013-08-20