PT9120 Datasheet, PDF (13/18 Pages) Princeton Technology Corp – GPS Receiver RF Front End IC

GPS Receiver RF Front End IC
APPLICATION CIRCUIT
24 PINS, QFN
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URL: http://www.princeton.com.tw
Preliminary
PT9120
DVDD
L9 1.5U
JP1
AVDD
DVDD
3
C16 39P
2
C17
1
1N
U2
REGULATOR_2.8V
+5V
1
Vin Vout
5
R6
C15 ^L8
47P ^1.2U
3
CE
NC
4 C19
10N
150R
C20
C21
1U
1U
JP4
C18
5
4
3
2
1
SGN
MAG
CP
GND
+5V
SGN ^{R1 10R}
1
SGN
U1
VBG ¹⁸
10U
C14 1U
MAG ^{R2 10R}
2
MAG
RFI ¹⁷
CP ^{R3 10R}
3
CP
4
DVSS
AVSS ¹⁶
C13
AVDD ¹⁵
AVDD
1.5P
R4 33R
DVDD ^DVDD
JP3
C1 1U
3
2
5
DVDD
6
XEN
LNO ¹⁴
PVDD ¹³
L7 4.7N
AVDD
C12
470P
AON
1
DVDD
X1
4
VDD OUT
3 ^{C2 100P}
PT9120_24L
R5 33R
PVDD
AVDD _{C8 470P}
L2
C11 1N
L6
1
IN
GND
2
C3
TCXO
1U
L1 6.8N ₄
F1
OUT
12N
IN
2
C7 5.6P
L3 15N1
U3
OUT
33N
IN
7L4 ^{10N C1056P} RF_IN
3
GND GND
1
R7
C6
47K
1.5P
SAW_FILTER
3
CAP GND
6
L5
C9
NJG1107HB3
27N
1N
C4
C5
15P
100P
PT9120 PRE1.0
- 13 -
August, 2007