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ESD PROTECTED
DESCRIPTION
The STB5610, using ST Microelectronics RF Bipolar
technology, implements a Global Positioning System
RF front-end. The chip provides down conversion
from the 1575.42 MHz GPS (L1) signal to 4.092 MHz
Output signal. The integrated PLL with on-chip
reference oscillator uses a low cost 16.368 MHz
crystal. No TCXO is required.
PIN CONNECTION
Gnd_XT AL
TQFP48
ORDER CODE
STB5610
BRANDING
STB5610
XTAL_out
Gnd_XTAL
XTAL_in
Gnd_IF
Gnd_IF
Vcc_IF
IF2+
Fselect
IF2-
48
Vcc_XTAL
Vcc_Logic
LF
Vcc_VCO
Gnd
TNK1
TNK2
Gnd
Gnd
IF1+
IF1-
Gnd
1
2
3
4
5
6
7
8
9
10
11
12
13
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Vcc_Logic2
Gnd
DATA
CLK
Gnd_Driver
Vcc_Driver
Gnd_Loic
Vcc_Logic
AS1
AS2
As_out
GC
14
RF+
15
16
17
Vcc_RF
18
19
LNA_out-
20
Vcc_LNA
21
Gnd
22
23
LNA_in-
May, 7 2002
CE2
24
Gnd
CE
Gnd_RF
LNA_in+
LNA_out+
Gnd_RF
RF-
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