76
KX-TG7622B/KX-TG7623B/KX-TGA410B
14.3. Schematic Diagram (Base Unit_RF)
KX-TG7622/7623 SCHEMATIC DIAGRAM (Base Unit_RF)
NC: No Components
GND
C802
1.8p
C855
10p
RF_TXp
C822
10p
GND
GND
L803
4.7n
R806
220
RF_RXn
ANT1
DA802
1
2
3
GND
C811
10p
L802
4.7n
RXON
GND
R807
220
TXON
ANT2
GND
GND
GND
C803
1.5p
C853
7p
RF_RXp
C805
2.4p
GND
GND
C851
7p
C809
10p
GND
C856
100p
C858
100p
C804
1.8p
C864
7p
GND
GND
DA801
1
2
3
GND
GND
C854
NC
GND
GND
C863
7p
GND
C825
10p
C857
10p
RF_TXn
+3.0V
GND
C806
2.4p
GND
GND
GND
GND
GND
ANT_2
GND
GND
ANT_1
GND
ANT1_TP
1 2
ANT2_TP
1 2
C810
1p
C813
1p
C823
100p
ZA1
NC
1
2
6
7
9
11
3
4
5
8
10
12
C837
0.9p
C826
10p
C820
0.7p
GND
GND
*C841
1p
*C850
2.7n
*C843
NC
C842
1p
C812
1p
*C844
2p
W 0.15mm
L 20+/-1mm
3rd layer
Open Stub
for 3fo
W 0.15mm
L 22+/-4mm
1st or 4th layer
BPF
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 5.0mm
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
from Handset
to Handset