66
KX-TG3411BX/KX-TG3412BX/KX-TG3419BX/KX-TGA341BX
14.3. Schematic Diagram (Base Unit_RF)
from Handset
to Handset
KX-TG3411/3412/3419 SCHEMATIC DIAGRAM (Base Unit_RF)
NC: No Components
GND
RF_TXp
GND
R806
220
RF_RXn
ANT1
GND
R807
220
TXON
GND
GND
GND
RF_RXp
GND
GND
GND
C856
NC
GND
GND
GND
GND
GND
RF_TXn
+3.0V
GND
GND
GND
GND
GND
ANT_2
GND
GND
GND
ANT1_TP
1 2
ANT2_TP
1 2
C823
NC
GND
GND
TXON
GND
ANT2
D803
D804
D802
D801
GND
C811
10p
C809
10p
C812
10p
C825
10p
C828
10p
C822
10p
C857
10p
C855
10p
C851
10p
C853
10p
C859
10p
C850
NC
C854
NC
C869
NC
C826
10p
*RF-SHIELD
1 2
4 5
6
7
9
11
3
8
10
12
C805
1.3p
C806
1.3p
C810
0.8p
C813
0.8p
L802
8.2n
L803
8.2n
GND
C858
2.4p
C814
2.4p
L864
1.5n
L863
1.5n
C820
4.7p
L826
4.7n
C827
2p
W 0.15mm
L 20+/-1mm
3rd layer
BPF
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 4.0mm
1st layer
W 0.15mm
L 4.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-2mm
3rd layer
Pre-matching
W 0.15mm
L 22+/-4mm
1st or 4th layer
Balun
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
W
angle
L
W=0.2mm
angle=75deg
L=2.8mm
for 4fo
angle=75deg
angle
W=0.2mm
L=3.6mm
W
L
for 3fo
L=17mm
L=17mm
1.1pF
2.4
2.4mm