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PDF LM2475-EM Data sheet ( Hoja de datos )
| Número de pieza | LM2475-EM | |
| Descripción | System-on-Chip (SOC) based on 2.4GHz ISM Band | |
| Fabricantes | RadioPulse | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2475-EM (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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LM2475-EM Datasheet
[No. ADS1002 ]
V1.1
V1.1
www.radiopulse.co.kr
Page:1/22
1 page  
ADS1002
LM2475-EM Datasheet
3. APPLICATIONS
2.4 GHz IEEE 802.15.4 Applications
RF4CE Remote Control Systems
Lighting Systems
Voice Applications
Home/Building Automation
Industrial Control and Monitoring
Energy Management
Low Power Wireless Sensor Networks
Consumer Electronics
Health-care equipments
Toys
4. FEATURES
RF Transceiver
Integrated 2.4GHz RF Transceiver
Low Power Consumption
High Sensitivity of –98.5dBm at 250kbps
No External T/R Switch or Filter needed
On-chip VCO, LNA, and PA
Programmable Output Power up to +9.0dBm
Direct Sequence Spread Spectrum
O-QPSK Modulation
High Data Rate including 250Kbps specified in IEEE802.15.4: 1Mbps
RSSI Measurement
Compliant to IEEE802.15.4
Hardwired MAC
Two 128-byte FIFOs for Modem Tx and Rx
CRC-16 Computation and Check
Address filtering enhanced
Voice MAC header H/W generation
8051-Compatible MCU
8051 Compatible (single cycle execution)
V1.1
www.radiopulse.co.kr
Page:5/22
5 Page 
ADS1002
LM2475-EM Datasheet
RF Matching Procedure
.
① The value of L2/C2/L3/C3 is adjusted to 2.4GHz.
② L4 and C5 are fixed value to organize Narrow Band-Filter.
③ Adjust L1 and C4 value to maximize output level.
④ Adjust L4 and C5 value to minimize the 2nd and 3rd harmonic.
H(mm)
0.4
0.8
1.0
1.2
1.6
Table 1. PCB Thickness 50ohm Line Width
W(mm)
0.5
0.7
0.8
0.8
0.9
Z0(Ohm)
49.487
50.514
49.798
50.821
50.192
*PCB Thickness: 1mm /0.5 OZ(2- Layer)
V1.1
Figure 5. Antenna PCB Pattern
www.radiopulse.co.kr
Page:11/22
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet LM2475-EM.PDF ] | |
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