资料介绍
GPS模块原理图5
4
3
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1
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D
VCCRF C203 C202 1000pF 1.3pF
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C201 RFIN RFIN 120pF R201 0 VCCRF L201 5.6nH 1 2 3
U15 IN VCC 6 5 4
L202 R203 18nH 470 L203 10nH C204 4 120pF 3 U14 INPUT OUTPUT GND1 B7839 0 GND2 GND3 1 2 5 C23 22pF L5 3.6nH RF RF
C
GND1 GND2 PS OUT uPC8231
R202
C14 2.7pF
L1 100nH
B
ANTPWR
ANTPWR
B
C28 27pF
A
A
Title
Size A4 Date:<br />
5 4 3 2<br />
<br />
Document Number <Doc> Friday, March 30, 2007 Sheet<br />
1<br />
<br />
Rev <RevCode> 1 of 1<br />
<br />
5<br />
<br />
4<br />
<br />
3<br />
<br />
2<br />
<br />
1<br />
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VCCRF U4 1 C19 100nF C6 4.7uF C26 10nF R27 470 2 3 U2 1 2 3 RFPWRUP R21 10K RT9011-NNJ6 VOUT2 GND EN2 VOUT1 VIN EN1 6 VCC 5 4 R34 10K C16 100nF C17 4.7uF C20 100nF C18 4.7uF 3 D3 D1 RB705D 1 D2 2 R35 10K V_BAT VCC_GSP D1 VCC RT9193-15PB C36 1nF C21 1nF IT3205B VIN GND ON CBYP 4 VOUT 5 C35 4.7uF VCC_1.5V C5 1nF XTAL_IN VCCRF 4 VDD OE 1 3 Y </div>
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