Q2406B
| Model | Q2406B |
| Description | SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE |
| PDF file | Total 81 pages (File size: 909K) |
| Chip Manufacturer | ETC |
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
2.19.2 Typical implementation
2.19.2.1 Capacitor
Shottky
Diode
+VBATT
Vin
Vout
470
1K
VCC-RTC
En
Gnd
Regulator
2.5 V
±10%
(With very Low Iq)
Estimated range with 470 µF Capacitor : ~30 seconds.
2.19.2.2 Super Capacitor
Ex : 470uF
Shottky
Diode
+VBATT
Vin
En
Vout
Gnd
470
1K
VCC_RTC
Regulator
2.5 V ±10%
(With very Low Iq)
Estimated range with 0.47 Farad Gold Cap : 2 hours min.
Note : the Gold Capacitor maximum voltage is 2.5 V.
Ex : EECE0EL474S
(Panasonic)
Page :
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