Hytera PD415 - Block Diagram of Power Supply Circuit

VHF1 (136
‐
174 MHz)
Block Diagram
33
10.2 Block Diagram of Power Supply Circuit
To VCO
NTA7002N
PWR_ON
POWER_ON
7.4V
V_BAT
SW-
LDO
XC6204F502PR
LDO
XC6204F502PR
DC-DC
ADP2370ACPZ-R7
DC-DC
ADP2370ACPZ-R7
To PLL
5VFGU
To TX
5VRT
POW-KEY-DET
3V6D
LDO
RP102N331B
LDO
RP102N331B
LDO
RP102N331B
LDO
RP102N331B
1V2D
3V3A
3V3D
3V3A_RX
3V3_FGU
LDO
RP102N331B
3V3D1
To Sicomm core
CODEC
MIC
MCU
E2PROM
LED
SW_channel
KEY
RX
PLL
Sicomm
Security Key
12.288MHz
CODEC
3V3D
PWR_CTRL_SI
RST