參數(shù)資料
型號: UAA1570HL
廠商: NXP SEMICONDUCTORS
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Global Positioning System (GPS)baseband processor(通用定位系統(tǒng)基帶處理器)
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP48
封裝: PLASTIC, SOT-313, LQFP-48
文件頁數(shù): 5/76頁
文件大小: 890K
代理商: UAA1570HL
1999 May 10
5
Philips Semiconductors
Product specification
Global Positioning System (GPS) front-end
receiver circuit
UAA1570HL
5
BLOCK DIAGRAM
Fig.1 Block diagram.
Shaded blocks are NOT active during synthesizer state.
(1) The default values are: L = 10, N = 71 and R = 4.
handbook, full pagewidth
MHB269
UAA1570HL
DIVIDE-BY-1 or 2
DIVIDE-BY-R
(1)
(4 to 31)
DIVIDE-BY-1 or 2
DIVIDE-BY-2
DIVIDE-BY-N
(1)
(64 to 127)
DIVIDE-BY-2
DIVIDE-BY-2
DIVIDE-BY-L
(1)
(4 to 15)
DIVIDE-BY-3
VCO
9
10
11
12
13
14
15
16
17
18
48
47
46
45
44
43
19
20
21
22
24
23
LNA2
4
3
2
1
5
6
DATA REGISTER
FOR
PROGRAMMING
28
36
35
33
31
32
QUANTIZER
29
30
34
27
26
25
SQUARING
CIRCUIT
SQUARING
CIRCUIT
8
7
to data register
MIXER 2
MIXER 1
40
42
41
39
38
LNA1
PHASE
FREQUENCY
DETECTOR
37
to data
register
VCCA(LNA2)
LNA2GND1
LNA2IN
BIASGND2
LNA2GND2
LNA2OUT
REFIN
VCCA(VCO)
VCOGND
P12GND
CLOCK
TANK
VCCA(PLL)
DGND
SIGN
VDDD
VCCA(LIM)
BFCP
LIMINP
LIMINN
BFCN
LIMGND
IF2N
DATA
M
M
V
I
I
V
M
I
S
I
M
I
L
B
L
L
V
P
C
P
P
S
L
P
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