Block Diagram

41174 walkie talkie
Y342
1 of 1LUNG CHEONG
SHEET:APPROVED BY:DRAWING BY:DESIGN BY:
DWG NO:
FUNCTION:
TITLE:
longdanyu
2021-06-01 V1.0
Y342 BLOCK DIAGRAM
462.5625MHZ
Y1
21.25M
ANTA
MIC1
SPK
D2
1
2
3
4
6
5
7 8 9 10
H130
RF
1
3
4 5
2
LDO
LN1173 3V
1
2
9V
BAT
1
2
3
H132
MCU
K3
TALK