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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)： | 2/76頁 |
| 文件大小： | 890K |
| 代理商： | UAA1570HL |
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1999 May 10
2
Philips Semiconductors
Product specification
Global Positioning System (GPS) front-end
receiver circuit
UAA1570HL
CONTENTS
1
2
3
4
5
6
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.2
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
QUICK REFERENCE DATA
BLOCK DIAGRAM
PINNING INFORMATION
FUNCTIONAL DESCRIPTION
Low noise amplifiers LNA1 and LNA2
LNA1IN
LNA1OUT
LNA2IN
LNA2OUT
MX1IN
General remarks and results
Correlation of the UAA1570HL data sheet,
application and test boards
RF mixer with preamplifier
VCO
First IF filter
Second IF mixer
Second IF filter
Time and amplitude quantization
Clock inputs
CMOS to ECL sample clock squaring circuit
Time quantization (sampler)
TTL output stage
1-bit delays
Programmable synthesizer
VCO prescaler
Main synthesizer dividers (N-path)
Second local oscillator dividers (L-path)
Reference dividers (R-path)
Serial interface
p0 and p1
r5
r0, r1, r2, r3 and r4
n7
n0, n1, n2, n3, n4, n5 and n6
l0, l1, l2 and l3
The serial interface word
The default frequency plan
Phase detector, charge pump and loop filter
7.3
7.4
7.5
7.6
7.7
7.8
7.8.1
7.8.2
7.8.3
7.8.4
7.8.5
7.9
7.9.1
7.9.2
7.9.3
7.9.4
7.10
7.10.1
7.10.2
7.10.3
7.10.4
7.10.5
7.10.6
7.11
7.12
7.13
8
8.1
9
10
11
12
13
14
OPERATING MODE SELECTION TABLES
Manual selection operating modes
LIMITING VALUES
THERMAL CHARACTERISTICS
DC CHARACTERISTICS
AC CHARACTERISTICS
CHARACTERIZATION TEST CIRCUIT
DEFAULT APPLICATION AND
DEMONSTRATION BOARD
INTERNAL CIRCUITRY
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DEFINITIONS
LIFE SUPPORT APPLICATIONS
15
16
17
17.1
17.2
17.3
17.4
17.5
18
19
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