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GP2015 Datasheet(PDF) 10 Page - Mitel Networks Corporation

Part # GP2015
Description  GPS Receiver RF Front End
PDF  24 Pages
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Manufacturer  MITEL [Mitel Networks Corporation]
Direct Link  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

GP2015 Datasheet(HTML) 10 Page - Mitel Networks Corporation

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GP2015
10
GP2015 FRONT-END
48 PIN
175MHz
FILTER
L4
DW9255
SAW
FILTER
L3
L1
L2
L5
Cs
Cp
Cagc
=0.1uF
GP2021 CORRELATOR
80 PIN
17
16
11
15
14
21
9
24
33, 34,
30,31
23
32
37 38
40 41
44 45
47 48
Vcc
REF2
10MHz I/P
PLL LOOP
FILTER
C1 = 0.47uF
R1 = 270
Ω
C2 = 10nF
C1
C2
R1
RF
INPUT
RF INPUT
MATCHING
Cs = 12pF
Cp = 2.7pF
L3,4 = 560nH
L5 = 2.2uH
2
3
820
POWER-ON REF
R2
R4
R5
R6
R3
Vcc
POWER-ON
REF
LADDER
R3 =2.7k
R2 = 2.7k (Vcc = +3.0V)
= 6.8k (Vcc = +5.0V)
27
4, 6
Vcc
Creg = 0.1uF
(Vcc = +5.0V only)
VALUES FOR L1 AND L2 ARE
DEPENDENT ON FILTER USED
2
66
77
76
73
71
70
R4, R5 = 470
Ω
R6 = 1.5k
Ω
NOTE:
DIAGRAM IS REPRESENTATIVE
ONLY. REFER TO AN4533
FOR ACTUAL CIRCUIT
Fig. 4 GP2015 typical application
Fig. 5 Crystal Reference connections
(28)
(27)
33pF
10.000MHz
CRYSTAL
Ref 1
Ref 2
GP2015
22pF



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