SAA1575HL Datasheet, PDF (39/56 Pages) NXP Semiconductors – Global Positioning System GPS baseband processor

Philips Semiconductors
Global Positioning System (GPS)
baseband processor
Product specification
SAA1575HL
handbook, full pagewidth
45 ^LNA1IN
LNA1OUT
48
LNA2IN
3
LNA2OUT
6
MX1IN
14
IF1P
17
IF1N
18
IF2INN
21
IF2INP
22
IF2P
24
IF2N
25
UAA1570HL
44
46
47
5
4
2
42
38
26
20
13
15
LNA1GND1
BIASGND1
LNA1GND2
LNA2GND2
BIASGND2
LNA2GND1
P42GND
PLLGND
LIMGND
MX2GND
MXPGND
MX1GND
VCOGND
11
DGND
35
DGND AGND
VRF
R303
9Ω
R307
L = 900 mils
W = 8.8 mils
L = 1020 mils
W = 8.8 mils
9Ω
C328
33 nF
(50 V)
C327
10 pF
(50 V)
AGND
AGND
L = 315 mils (8.1 mm)
W = 6 mils
100 Ω
C325
C324
27 pF
L = 367 mils (9.3 mm)
W = 33 mils
1.5 pF
50 Ω
C326
0.56 pF
AGND
AGND
J301
SMA-F
AGND
L = 355 mils (9 mm)
W = 6 mils
100 Ω
C321
0.27 pF
C307
open
BPF301
MF1012S-1
I/O ₂
5 ^I/O
1 3 46
AGND
AGND ^{L = 286 mils (7.3 mm)}
AGND
W = 6 mils 100 Ω
C323
2.2 pF
AGND
L = 412 mils (10.5 mm)
W = 6 mils
100 Ω
L = 217 mils (5.5 mm)
W = 33 mils
50 Ω
I/O
2
C320
1.2 pF
C306
0.47 pF
BPF302
MF1012S-1
I/O
5
1 3 46
AGND
AGND L = 386 mils (10 mm)
AGND
W = 6 mils 100 Ω
C322
2.2 pF
AGND
M1BIASP
M1BIASN
C315
6.8 pF
C313
36 pF
C316
6.8 pF
L303
330 nH
C317
8.2 pF
C314
36 pF
C318
L304
330 nH
C319
39 pF
R306
909 Ω
8.2 pF
C305
open
AGND
M2BIASP
M2BIASN
C302
47 pF
C301
82 pF
C304
open
C309
18 pF
C303
47 pF
L301
22 µH
R301
0Ω
L302
22 µH
C310
68 pF
C311
1000 pF
R305
820 Ω
C312
1000 pF
R302
0Ω
LIMINP
LIMINN
AGND
MHB293
1999 Jun 04
Fig.26 RF front-end circuit (continued from Fig.25).
39