资料介绍
MT6140+SKY773405
4
3
2
1
nc L1 C1 6p 1k L2 C2 6p 1k
R718 MODE_PA MODE_TRX R717 0 PA_EN
D
VBAT
C31k 6p C5 1n
D
BANDSW L3
C725 1.8p PA_Gain 6 1 5 8 3 L713 6.2nH L711 12nH C728 0.75p DPCSIN 2 Z702 FAR-F5EA-897M50-D27C 3 Out In 1 L715 15nH 4 G G 2
MODE
VRAMP
VBATT
C726 nc L712 L714 C729 nc 5 7 0 1.8nH C730 27nH C727 nc 16
TXEN
BS
DPCSOUT
R709 1K
9
GSMOUT VBIAS
U1 SKY77340
GSMIN
7
HB TX
LB TX
J3 SMA_PORT
U6
C736 L719 VC3 2 22p BLM15BB750SN1 C732 VC1 4 22p BLM15BB750SN1 VC2 GSM RX 10 C734 L717 22p BLM15BB750SN1 VC2 L716 VC3
10 11 13 14 15 17
GND GND GND GND GND GND
C731 2.2p
VCCRF
LMSP33CA-465
C
1 5 4 3 2
C718 9 22p 6 8 12 GND GND GND ANT
C733 1u (0402 X5R) C770 10p R710 10K VAPC C735 220p L720 C738 100p BLM15BB750SN1 MODE_TRX I IB Q 39 38 37 36 35 34 33 32 31 QB GND QB EN C