uaa1570hl NXP Semiconductors, uaa1570hl Datasheet - Page 56

• Manufacturer Part Number: uaa1570hl
• Description: Global Positioning System Gps Front-end Receiver Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 May 10
handbook, full pagewidth
Global Positioning System (GPS) front-end
receiver circuit
M1BIASP
L306
180 nH
AGND
12 k
R322
VRF
SMV1233-004
V CC
R319
20 k
C341
3.9 nF
D301
C333
33 nF
L307
180 nH
AGND
AGND
VRF
M1BIASN
C340
150 pF
2
3
R316
10 k
C346
33 nF
R324
open
AGND
1
AGND
(16 V)
C345
1 F
Fig.29 RF front-end circuit (continued in Fig.30).
AGND
RFDATA
RFCLK
C308
open
SCLK
RFLE
SIGN
M2BIASP
AGND
2.7 k
L308
27 H
R314
6.8 k
R313
2.21 k
R323
VRF
R326
10 k
R327
10 k
AGND
C339
4.7 pF
2.7 k
R315
L309
open
7
AGND
M2BIASN
VRF
AGND
1
8
56
X301
TCO-987Q
DGND AGND
R312
3.9 k
4
R304
0
V DDD
V CCD
VRF
6
5
15 pF
10 pF
C338
C348
33 nF
C335
33 nF
33 nF
C347
open
C330
C331
33 nF
33 nF
33 nF
33 nF
33 nF
R310
R311
R309
open
R325
C337
C336
C334
C332
C329
18
18
1
4700 pF
4700 pF
C343
C342
6.8 nH
L305
AGND
AGND
(50 V)
10 nF
C344
V CCA(MX1P)
V CCA(LNA1)
V CCA(LNA2)
V CCA(VCO)
V CCA(MX2)
AGND
V CCA(PLL)
V CCA(LIM)
VRF
P41GND
STROBE
P39GND
P12GND
CLOCK
LIMINN
LIMINP
MHB292
R317
10 k
R318
10 k
REFIN
COMP
V DDD
BFCN
BFCP
TANK
SCLK
2.21 k
2.21 k
DATA
SIGN
R320
R321
8
39
40
12
10
32
7
23
34
37
30
29
28
27
43
1
36
31
19
16
41
9
33
2
3
UAA1570HL
AGND DGND
VRF
4 5
1
UAA1570HL
Product specification
V CCA
8
6
U302
MAX903ESA
7
RCLK