SAA1575HL Datasheet, PDF (38/56 Pages) NXP Semiconductors – Global Positioning System GPS baseband processor

Philips Semiconductors
Global Positioning System (GPS)
baseband processor
Product specification
SAA1575HL
handbook, full pagewidth^VRF
VRF
L306
180 nH
R322
12 kΩ
L307
180 nH
R324
open
C345
1 µF
(16 V)
C308
open
AGND AGND
L308
27 µH
R323
2.21 kΩ
L309
open
R304
0Ω
M1BIASP
M1BIASN
M2BIASP
M2BIASN
R326
10 kΩ
VRF
X301
TCO-987Q
8
7
5
R327
10 kΩ
14 6
C343
4700 pF
VRF
C344
10 nF
(50 V)
AGND
R317
10 kΩ
R320
2.21 kΩ
R321
2.21 kΩ
R318
10 kΩ
VRF ^VCCA
2₊
3_−
U302
1
MAX903ESA
8
7
RCLK
6
45
AGND DGND
C341
3.9 nF
R319
20 kΩ
C340
150 pF
AGND
3
D301
SMV1233-004 ²
1
AGND
R316
10 kΩ
AGND
VCC
VRF
C333
33 nF
C346
33 nF
AGND
RFDATA
RFCLK
RFLE
SIGN
SCLK
AGND
AGND
AGND
R314
2.7 kΩ
R315
2.7 kΩ
R313
6.8 kΩ
C339
4.7 pF
R312
3.9 kΩ
AGND
AGND
C342
4700 pF
AGND
REFIN
8
P39GND
39
COMP
40
C338
15 pF
L305
6.8 nH
P12GND
12
TANK
10
DATA
32
CLOCK
7
STROBE
23
C348
10 pF
C337
33 nF
SIGN
34
SCLK
37
BFCP
30
LIMINP
29
C336
C335 _{33 nF}
33 nF C334
33 nF
C347
open
C332
C330 33 nF
33 nF
C331
33 nF C329
33 nF
LIMINN
28
BFCN
27
VCCA(LNA1)
43
VCCA(LNA2)
1
VCCA(PLL)
36
VCCA(LIM)
31
VCCA(MX2)
19
VCCA(MX1P)
16
P41GND ₄₁
VCCA(VCO)
9
VDDD
33
DGND AGND
R310
18 Ω
R311
VRF
VDDD
VCCD
18 Ω
R309
open
R325
1Ω
MHB292
UAA1570HL
Fig.25 RF front-end circuit (continued in Fig.26).
1999 Jun 04
38