MT6735_MT6328_MT6169_MT6625L_EMMC_LPDDR2_CMCC_3M_PHASE-2_REF_SCH_V0.4(10)

LPF for more margin on Tx spuriousC3217 C/ 0201/ NC C0201 2 1 L3215 L/ 0201/ NC RF_MB2_TX_MT6169_1 2 2 C0201 C/ 0201/ NC C3254 L0201 1 2 1 2 3 RF_MB2_TX_FEM 4 MIPI0_SDATA R3210 R 2/ 0/ ohm/ 0201 1 MIPI0_SDATA_PA5 MIPI0_SCLK MIPI0_SCLK_PA 2 1 6 R3209 R/ 0/ ohm/ 0201 7 8

U3203 SKY77824/HRSMAC012/RF5418

B41B TRXL3210 C/ 3/ pF/ 0201 L0201 RF_B40_TRX_FEM 1 1

D_GND

D_GND RF_B40B41_TRX_TXM_BYPASS[33]

29 GND

RX2 RX1 GND HB4 GND HB3

28 27 26 25 24 23

5

RF_MB2_TX_MT6169

GND GND GND GND GND GND

1

1

D_GND This path is no use for sky77824 This path is reserved for other vendor's M/H PA which supports B34/B39 and TXM can't support B34/B39 TXM reuse

9 10 11 12 13 14

D_GND

2

2

C3258 L/ 3.6/ nH/ 0201 C0201

C3259 L/ 0201/ NC C0201 D_GND

1

G

C3228 C/ 0201/ NC C0201

GND M/H PA GND RFIN_H RFIN_M/ NC SDATA SCLK VIO VBAT

GND HB2 GND HB1 NC GND VCC2 VCC1

22 21 20 19 18 17 16 15

RF_B34B39_PA_TXM[33] TXM_HB2 D_GND U3215 SAW/ SAFEA2G35MF0F0A FILTER/SMD/885049 2 RF_B40_TRX_SAW_in G C3288 3 D_GND L/ 2.7/ nH/ 0201 C0201 4 RF_B40_TRX_SAW_out 1 2 L3221 L/ 5.1/ nH/ 0201 L0201 D_GND G C3286 RF_B40_TRX_1 1 2 RF_B40_TRX_TXM[11] AUX_IN1_NTC

2

2

C3291 C/ 0201/ NC C0201

1

1

IN OUT

C/ 33/ pF/ 0201 C0201 L3222 L/ 0201/ NC L0201 D_GND

D_GND

D_GND D_GND D_GND LTE_VMIPI C3249 C/ 33/ pF/ 0201 1 D_GND

B40 TRX

MIPI0_SDATA MIPI0_SCLK

[11][11]

D_GND

VBAT

CC3289 C/ 100/ nF/ 0201/ X7R C0201

2

1

1

VPA_PMU C3290 C/ 10/ pF/ 0201/ X7R C0201 1 C3243 C/ 100/ pF/ 0201/ X7R C0201 1 1 1 C3233 C/ 1/ uF/ 0201/ X7R C0201

L3211 D_GND L/ 2.6/ nH/ 0201 L0201 RF_B40B41_TRX_LPF_in_BYPASS 2 1

1 2 3

GND GND IN OUT

6 5 4

C3262 D_GND C/ 2.7/ pF/ 0201 C0201 RF_B40B41_TRX_LPF_out_BYPASS 1 2 1 1 C3264 L/ 3.3/ nH/ 0201 D_GND C0201 C3271 C/ 0201/ NC C0201

CRF_B40B41_TRX_TXM_BYPASS 2 LTE_VMIPI D_GND 2 1 R/ 0/ ohm/ 0402 R3212 VIO18_PMU

2

2

D_GND

D_GND D_GND

2

2

D_GND D_GND VPA_VCC1

U3210 LPF/ LF1608-B2R5KCB BALUN/SMD/HHM22112A2

D_GND

2

2

C3244 C/ 100/ pF/ 0201/ X7R C0201

Power Net ConnectionVPA_VCC1 and VPA PMU need to be connected after CapVPA_VCC1 2 1 R/ 0/ ohm/ 0201 R3211 10mil

C3245 C/ 1/ uF/ 0201/ X7R C0201

Bypass pathFor power LTE_VMIPI star connectionVPA_PMU C3206 C/ 0201/ NC C0201 1 2 1 L3214 L/ 0201/ NC L0201 2 2 U3216 LPF/ LF2012-L1R4NAA/ NC 1 3 RF_B34B39_PA_LPF_out In OUT GND C3276 C/ 0201/ NC 1 1 1 2 RF_B34B39_PA_TXM L3224 L/ 0201/ NC VBAT

1

D_GND

D_GND

1

L3216 L/ 0201/ NC L0201

1

RF_B34B39_PA_FEM

RF_B34B39_PA_LPF_in

L3223 L/ 0201/ NC

2

2

2 D_GND 2

C3263 C/ 0.5/ pF/ 0201 C0201

C3265 C/ 0201/ NC C0201 D_GND

D_GND

2

2

GND GND

VPA_PMU

50mil 1

VPA_PMU

D_GND

D_GND

D_GND

D_GND

C3234 C/ 470/ nF/ 0201/ X7R C0201

B34/39This path is no use for sky77824 This path is reserve

d for other vendor's M/H PA which support B34/B39 and TXM can't supports B34/B39 TXM reuse

D_GND

2

Thermistor/ To sense board level temperatureFar end Cap. For PMIC stabilityVIO18_PMU 1

BAUX_IN1_NTC RF PA TEMPERATURE 1 2

R3232 R/ 390K/ ohm/ 0201/ 1% R0201

B

NTC3201 close to PA, and located in the same layer2

NTC3201 NTC/ NTCG064EF104F/ 0201 R0201

D_GND

A

A

Title Size D Date:

32_RF_MT6169_RF_TX

MTK ConfidentialWednesday, January 14, 2015 Sheet 32 of 99

5

4

3

2

1

5

4

3

2

1[31] RF_DCS_PRX_MT6169_RFIP1_HB3[31] RF_DCS_PRX_MT6169_RFIN1_HB3[31] RF_B40B41_PRX_MT6169_RFIP1_HB1[31] RF_B40B41_PRX_MT6169_RFIN1_HB1

ASM_Main_824~2690MHzDCON3303 CON/ 4/ TA-RF02-001-03-811 COAXIAL/SMD/TA-RF02-001-03-811 4 3 1 2 D_GND CON3301 Car_Kit/ MM8130-2600 MM8130-2602 C3318 C/ 33/ pF/ 0201 4 C0201 1 2 RF_ant_TRX_ant_1 2 1 1 6 C3356 C/ 33/ pF/ 0201 C0201 1 2 1

SP10T

[31] RF_B34B39_PRX_MT6169_RFIP1_MB1[31] RF_B34B39_PRX_MT6169_RFIN1_MB1[31] RF_PCS_PRX_MT6169_RFIP1_MB2[31] RF_PCS_PRX_MT6169_RFIN1_MB2

DRF_TXDET RF_Ant_TRX_TXM C3357 C/ 22/ uF/ 0603 C0603 VBAT C3316 C/ 10/ pF/ 0201 C0201[31] RF_850_PRX_MT6169_RFIP1_LB3 C3314 C/ 1/ nF/ 0201 C0201 R3301 R/ 10K/ ohm/ 0201 R0201 APC1_TXM 1 11 2 10 9 8 7 6 1 5 4 3 2 1 C3354 1 1 39 C/ 4.7/ pF/ 0201 C0201 RF_MB1_TX_TXM RF_LB3_TX_TXM 2 C3340 C/ 10/ nF/ 0201 C0201 D_GND D_GND LTE_VMIPI 2[11] APC1 1 C3312 C/ 0201/ NC C0201 2 1 APC1 RF_MB1_TX_MT6169[31] R3377 R/ 24K/ ohm/ 0201 R0201 2 RF_LB3_TX_MT6169[31][31][31] RF_850_PRX_MT6169_RFIN1_LB3 1 1[31] RF_900_PRX_MT6169_RFIP1_LB2[31] RF_900_PRX_MT6169_RFIN1_LB2 L3351 L/ 0201/ NC L0201 2 2 1 2

4 3 1

2

3 1RF_Ant_TRX_carkit 5

RF_ant_TRX_ant

D_GND L3317 L3346 L/ 0201/ NC L/ 0201/ NC L0201 L0201 2 2 D_GND

D_GND U3307 SKY77910/HRTXAB008/RF5210 19 18 17 16 15 14 13 12

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