802.11n无线路由器方案(RT3050原理图)

SDRAM_CLK (7) SDRAM_CSN (7) SDRAM_RASN (7) OE_N (6,7) WE_N (6,7) FLASH_CSN (6)
D
22 2 4.7K/NI 2
3.3VD SPI_DIN SPI_DOUT SPI_CLK SPI_EN R9 U8 T9 U9
1
GPIO6 RX_SWN GPIO4 1 RX_SW
RF_V12A
A7 E3 D3 B3 A1 C2 A8 B6 B4 C4 C5 B5
RFG0_OUT 1 C12 1pF/NI
1 C11
RFOUT_G0 (8)
C10 LNA_PE_G0 D2 PA_PE_G0
源自文库
LDOPLL_Out(50mA)
PLL_V12A C15 1 1 1
1
GND
GINP1 2 2
t
2 GND
GND
1
2
XTAL/3.2x2.5/40MHz 2 GND GND 3.3VD L6 1 0 ohm GND 2 1
C36 27pF 2
1
R7 C34 12K 1% 100pF 2
1 2 GND
40MX1 40MX2 PLL_VC_CAP C37 22nF
C33 ADC_VREF025N 1 ADC_VREF025P C35 ADC_VREFN0 1 ADC_VREFP0
C
P12 R13 U13 T13 P13 N14 R12 U14 U15 R14 P14 T14 R15 P15 U16 T15 E17 E16 D17 G15 F15 D16 C17 C16 E15 A17 B16 B17 C15 D15 A16 B15 D13 C14 A15 N15 P16 R17 T17 M15 N17 N16 P17 M16 M17 L16 L17 K16 K17 K15 H15 F16 F17 G16 H16
1.5VDD 1.5VDD 1 1 1 0 ohm 2 C213 10uF 2 2
2
1.5VD 1 1
B7 C29 0.1uF 2 2 GND GND LDODIG_OUT A13 C30 0.1uF C11 C12
LDORF_IN_VX LDOADC_IN_VX
ANT_TRN ANT_TRNB WLAN_LED_N
LDOADC_Out(200mA)
C
GND
ADC_V12D
1
C22 1 1uF 1
D11 B10 B9
2
PA_PE_G0 (8)
RFOUT_G1 (8)
GND 2 GND
C25 10nF
C26 10nF GND 2
B12 LNA_PE_G1 E1 PA_PE_G1
1.5V LDO_In(1100mA) L5
SDCLK SDCS_N SDRAS_N OEN WEN SRAMCSN FLASHCSN R14
R8 R9 R10 R11 R12 1 TP5 R13 4.7K/NI 2
1 1 1 1 1 1 R15 1
22 22 22 22 22
2 2 2 2 2
SDRAM_CLK SDRAM_CSN SDRAM_RASN OE_N WE_N FLASH_CSN 1 C41 10pF/NI GND 2 GND
B
B
BG_RES_12K U2 4 3
2.5x3.2
A6 C6 C7 A5
ADC_VREF BG_RES_12K PLL_X1 PLL_X2 PLL_VC_CAP ADC_VREF025N ADC_VREF025P ADC_VREFN ADC_VREFP
A12 B11 A11 A9 A10
ADC_VREF
L40 1.2VD 1 1 C31 4.7uF 2 1 1 0 ohm 2
LDODIG_IN_VX RF0_TSSI_IN NC LDODIG_OUT_V12 C32 1 0.1uF 2 2 0.1uF 2 0.1uF 2 GND
GND
R6 20K
RT1 CT6103-3435-5P
Place RT1 close to Power Amp.
F3 G4 F4 1 R5 1 1 B8 D7 TSSI_IN0 TSSI_PA0 TSSI_PA0 (8) 2 10K 3.3VD
ANT_TRN ANT_TRNB WLAN_LED
ANT_TRN (10) ANT_TRNB (10) WLAN_LED (13)
C28 0.1uF GND
1.2V LDODIG_Out(600mA)
1
Rev 2.1 2 of 14
5
4
3
2
1
U1B MDATA[0:31] (6,7) MDATA[0:31] MDATA31 MDATA30 MDATA29 MDATA28 MDATA27 MDATA26 MDATA25 MDATA24 MDATA23 MDATA22 MDATA21 MDATA20 MDATA19 MDATA18 MDATA17 MDATA16 MDATA15 MDATA14 MDATA13 MDATA12 MDATA11 MDATA10 MDATA9 MDATA8
1.5pF INP0 INN0 1 C3 2 L2 1 C10
GND 2 1.5pF 1 1.5nH 2 10pF RFG0_IN 1 C4 RFIN_G0 2 10pF RFOUT_G0 2 10pF RFIN_G0 (9)
LDORF_Out(200mA)
1 1 1 1 1 C5 10pF 2 2 C6 10pF 2 C7 10pF 2 C8 100pF 2 C9 100pF C13 1 1uF 2 GND 1uF GND 2 2
WPS_PBC RST_PBC RX_SWN RX_SW RFOUT_G0 RFOUT_G1 RFIN_G0 RFIN_G1 ANT_TRN ANT_TRNB PA_PE_G0 PA_PE_G1 LNA_PE_G0 LNA_PE_G1 TSSI_PA0 JTAGRST_N CPURST_N INIC_RST INIC_WLED
1
TP4
RT3050
GND
A A
RALINK TECHNOLOGY, CORP. CONFIDENTIAL
Title RT3050-A RF Size B Date:
5 4 3 2
Document Number AP-RT3050-V21RW-1x1.SCH Thursday, July 03, 2008 Sheet
4-ETHERNET TXOM4 TXOP4 RXIM4 RXIP4 RXIM3 RXIP3 TXOM3 TXOP3 TXOM2 TXOP2 RXIM2 RXIP2 RXIM1 RXIP1 TXOM1 TXOP1 TXOM0 TXOP0 RXIM0 RXIP0 4-ETHERNET
WE_N OE_N SDRAM_RASN SDRAM_CLK MADDR[0:22] FLASHRST_n MDATA[0:31] 2-MEMORY
5
4
3
2
1
2-MEMORY FLASH_CSN SDRAM_CSN
D
1-CPU-RT3050 FLASH_CSN SDRAM_CSN WE_N OE_N SDRAM_RASN SDRAM_CLK MADDR[0:22] MDATA[0:31] FLASH_CSN SDRAM_CSN WE_N OE_N SDRAM_RASN SDRAM_CLK MADDR[0:22] MDATA[0:31] TXOM4 TXOP4 RXIM4 RXIP4 RXIM3 RXIP3 TXOM3 TXOP3 TXOM2 TXOP2 RXIM2 RXIP2 RXIM1 RXIP1 TXOM1 TXOP1 TXOM0 TXOP0 RXIM0 RXIP0 TXOM4 TXOP4 RXIM4 RXIP4 RXIM3 RXIP3 TXOM3 TXOP3 TXOM2 TXOP2 RXIM2 RXIP2 RXIM1 RXIP1 TXOM1 TXOP1 TXOM0 TXOP0 RXIM0 RXIP0
C
2 10nF/NI
C16 0.1uF 2
C17 10pF 2
C18 100pF
L3
1.5nH/NI 1.5pF/NI NC LDOADC_OUT_V12 ADC_V12D ADC_V12A NC NC NC NC B1 C1 D1 RF2G_INP1 RF2G_INN1 RF2G_OUTP1 LNA_PE_G1 (9) PA_PE_G1 (8) 1 1 R3 1 R4 2 0 ohm/NI 2 0 ohm/NI INP1 INN1 1
GND V33A 1 C39 0.1uF C40 0.1uF 2
1
D6 E2 D12
BG_V33A RF_V33A LDO_V33A
3.3V Input
C38 0.1uF 2 2
BASE_TRX_QN BASE_TRX_QP BASE_TRX_IN BASE_TRX_IP
C9 D9 D8 C8
TP4
D
C
6-LED
C
SECU_LED PWR_LED WPS_LED WLAN_LED LINK0 LINK1 LINK2 LINK3 LINK4 3-WLAN RX_SWN RX_SW RFOUT_G0 RFOUT_G1
B
SECU_LED PWR_LED WPS_LED WLAN_LED LINK0 LINK1 LINK2 LINK3 LINK4 WPS_PBC RST_PBC INIC_WLED
5 4 3 2
Document Number AP-RT3050-21RW.SCH Thursday, July 03, 2008 Sheet
1
Rev 2.1 1 of 14
5
4
3
2
1
GINP0 2 2
1 C1 C2
2 10nF
D
L1
D
U1A
1.5nH LDORF_OUT_V12 NC RF0_LO_V12A RF_BB1_V12A RF0_V12A RF1_V12A RF_BB2_V12A LDOPLL_OUT_V12 VCO_VCO_V12A VCO_LO_V12A PLL_PRE_V12A PLL_DIV_V12A RF0_2G_INP RF0_2G_INN RF0_2G_OUT RF0_LNA_PE RF0_PA_PE A4 A3 A2 RF2G_INP0 RF2G_INN0 RF2G_OUTP0 LNA_PE_G0 (9) 1 1 R1 1 R2 2 0 ohm 2 0 ohm 1
GND 1 C14 C19 GND 1 C20 2 L4 1 C23 RFG1_IN 2 1 1.5pF/NI C21 1 1.5nH/NI RFG1_OUT 1 2 10pF/NI C24 1 C27 1pF/NI GND 2 RFIN_G1 2 10pF/NI RFOUT_G1 2 10pF/NI RFIN_G1 (9)
RFIN_G0 RFIN_G1 ANT_TRN ANT_TRNB PA_PE_G0 PA_PE_G1 LNA_PE_G0 LNA_PE_G1 TSSI_PA0 3-WLAN
B
5-POWER JTAGRST_N CPURST_N INIC_RST JTAGRST_N CPURST_N INIC_RST
FLASHRST_N 1-CPU-RT3050
FLASHRST_N 5-POWER
Filename: AP-RT3050-V21RW-1X1-080703.DSN
A A
RALINK TECHNOLOGY, CORP. CONFIDENTIAL
Title 11n 2.4G AP-RT3050 Size B Date:
Reserved for RT3052 iNIC: GPIO6 pull high --> load code mode GPIO6 pull low --> dump switch mode
NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC MD15 MD14 MD13 MD12 MD11 MD10 MD9 MD8
D
SDRAM_CLK SDRAM_CS_N SDRAM_RAS_N OE_N WE_N SRAM_CS_N FLASH_CS_N
R16 U17 T16 B13 C13 A14 B14
SECU_LED PWR_LED WPS_LED WLAN_LED LINK0 LINK1 LINK2 LINK3 LINK4 WPS_PBC RST_PBC INIC_WLED 6-LED
RX_SWN RX_SW RFOUT_G0 RFOUT_G1 RFIN_G0 RFIN_G1 ANT_TRN ANT_TRNB PA_PE_G0 PA_PE_G1 LNA_PE_G0 LNA_PE_G1 TSSI_PA0