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參數(shù)資料
| 型號(hào)： | UMA1014T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Low-power frequency synthesizer for mobile radio communications |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16 |
| 封裝： | PLASTIC, SOT-108, SO-14 |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 90K |
| 代理商： | UMA1014T |
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October 1992
6
Philips Semiconductors
Product specification
Low-power frequency synthesizer for
mobile radio communications
UMA1014
Table 1
Division ratio in the main divider
Table 2
Reference divider programming
Table 3
Operation of the phase comparator
MAIN COUNTER: N
SWALLOW COUNTER: R
MD17
B1
MSB
MD16
B0
MD15
C7
...
...
MD8
C0
MD7
D7
...
...
MD5
D5
MD4
D4
...
...
MD0
D0
LSB
A3(RD3) A2(RD2) A1(RD1) A0(RD0)
REFERENCE DIVISION
RATIO
CHANNEL SPACING FOR 9.6 MHz AT
OSCIN
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
128
160
192
240
256
320
384
480
512
640
768
960
1024
1280
1536
1920
75 kHz
60 kHz
50 kHz
40 kHz
37.5 kHz
30 kHz
25 kHz
20 kHz
18.75 kHz
15 kHz
12.5 kHz
10 kHz
9.375 kHz
7.5 kHz
6.25 kHz
5 kHz
PHI = 0 (PASSIVE LOOP FILTER)
f
ref
<
f
var
f
ref
>
f
var
0
1
1 mA
1 mA
PHI = 1 (ACTIVE LOOP FILTER)
f
ref
<
f
var
f
ref
>
f
var
1
0
1 mA
1 mA
f
ref
= f
var
0
0
< ±
5 nA
f
ref
= f
var
0
0
< ±
5 nA
UP
1
0
0
1
DOWN
I
pcd
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