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GX10i
CONFIDENTIAL
IC303, IC304 VHITK11129C-1R (TK11129CSIL): 2.9 V REGULATOR
Pin No.
Terminal Input/
Description of terminal
name
Output
1
CONT
Input
Control
1
CONT
500 k
VIN
VOUT
Bandgap
Reference
Control
Circuit
Constant
Current
Source
Over Heat &
Over Current
Protection
2
GND
3
NP
5
4
2
GND
–
Ground
3
NP
–
Capacitor
4
VOUT
Output
Output
5
VIN
Input
Input
IC305 VHIR3111Q25-1L (R3111Q251C): VOLTAGE DETECTOR
Pin No.
Terminal Input/
Description of terminal
name
Output
1
OUT
Output
Output
1
4
2
VSS
GND
OUT
+
VREF
-
2
VDD
–
Power supply
3*
NC
–
Not used
4
VSS
–
Ground
T
In this unit, the terminal with asterisk mark (*) is (open) ter-
minal which is not connected to the outside.
IC831 VHIPF08123B-1L (PF08123B): RF POWER AMP.
Pin No. Terminal name Input/Output
Description of terminal
1
Pin GSM
Input
Input power from TXVCO (GSM)
2
Vapc
Input
Power control voltage from APCIC
3
Vdd1
–
Power supply
4
Pout GSM
Output
Output power (GSM)
5
Pout DCS
Output
Output power (DCS)
6
Vdd2
–
Power supply
7
Vctl
Input
Band select switch
8
Pin DCS
Input
Input power from TXVCO (DCS)
9
GND
–
Ground
Pin DCS
Pin GSM
Pout GSM
Pout DCS
Bias circuit
Vctl
Vdd1
Vdd2
Vapc
7
8
1
6
5
4
2
3
