![SimCom SIM5215 Скачать руководство пользователя страница 52](http://html1.mh-extra.com/html/simcom/sim5215/sim5215_hardware-design_1274787052.webp)
Smart Machine Smart Decision
Note: The input signal voltage value in ADC must not be higher than 2.2V.
3.12.3
LDO
SIM5215&SIM5216 has a LDO power output, namely VREG_AUX. The LDO is available and output
voltage is 2.85v by default, rated for 250mA. User can switch the LDO on or off by the AT command
“AT+CVAUXS” and configure its output voltage by the AT command “AT+CVAUXV”.
Table 33: Electronic characteristic
Symbol
Description
Min
Typ
Max
Unit
VREG_AUX
Output voltage
1.5
2.85
3.05
V
I
O
Output current
-
-
250
mA
4
RF Specification
4.1
RF Specification
Table 34: Conducted transmission power
Frequency
Max
Min
GSM850
33dBm ±2dB
5dBm ± 5dB
E-GSM900
33dBm ±2dB
5dBm ± 5dB
DCS1800
30dBm ±2dB
0dBm ± 5dB
PCS1900
30dBm ±2dB
0dBm ± 5dB
GSM850 (8-PSK)
27dBm ±3dB
5dBm ± 5dB
E-GSM900 (8-PSK)
27dBm ±3dB
5dBm ± 5dB
DCS1800 (8-PSK)
26dBm +3/-4dB
0dBm ±5dB
PCS1900(8-PSK)
26dBm +3/-4dB
0dBm ±5dB
WCDMA 2100
24dBm +1/-3dB
-56dBm ±5dB
WCDMA 1900
24dBm +1/-3dB
-56dBm ±5dB
WCDMA 850
24dBm +1/-3dB
-56dBm ±5dB
WCDMA 900
24dBm + 1/-3dB
-56dBm ±5dB
Table 35: Operating frequencies
Frequency
Receiving
Transmission
GSM850
869
~
894 MHz
824
~
849 MHz
E-GSM900
925
~
960 MHz
880
~
915 MHz
SIM5215&SIM5216_Hardware Design_V2.02
2012-08-31
52
Содержание SIM5215
Страница 1: ...SIM5215 SIM5216_Hardware_Design _V2 02 ...