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參數(shù)資料
| 型號： | LMX1501 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLLatinumTM 1.1千兆赫頻率合成射頻個(gè)人通信 |
| 文件頁數(shù)： | 10/22頁 |
| 文件大小： | 367K |
| 代理商： | LMX1501 |
Functional Description
The simplified block diagram below shows the 19-bit data register, the 14-bit R Counter and the S Latch, and the 18-bit
N Counter (intermediate latches are not shown). The data stream is clocked (on the rising edge) into the DATA input, MSB first.
If the Control Bit (last bit input) is HIGH, the DATA is transferred into the R Counter (programmable reference divider) and the
S Latch (prescaler select: 64/65 or 128/129). If the Control Bit (LSB) is LOW, the DATA is transferred into the N Counter
(programmable divider).
TL/W/12340–19
PROGRAMMABLE REFERENCE DIVIDER (R COUNTER) AND PRESCALER SELECT (S LATCH)
If the Control Bit (last bit shifted into the Data Register) is HIGH, data is transferred from the 19-bit shift register into a 14-bit
latch (which sets the 14-bit R Counter) and the 1-bit S Latch (S15, which sets the prescaler: 64/65 or 128/129). Serial data
format is shown below.
TL/W/12340–20
14-BIT PROGRAMMABLE REFERENCE DIVIDER RATIO
(R COUNTER)
Divide
Ratio
R
14
S
13
S
12
S
11
S
10
S
S
9
S
8
S
7
S
6
S
5
S
4
S
3
S
2
S
1
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
#
0
#
0
#
0
#
0
#
0
#
0
#
0
#
0
#
0
#
0
#
0
#
1
#
0
#
0
#
16383
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Notes:
Divide ratios less than 3 are prohibited.
Divide ratio: 3 to 16383
S1 to S14: These bits select the divide ratio of the programmable
reference divider.
C: Control bit (set to HIGH level to load R counter and S Latch)
Data is shifted in MSB first.
1-BIT PRESCALER SELECT
(S LATCH)
Prescaler
Select
P
15
S
128/129
0
64/65
1
10
相關(guān)PDF資料 |
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| LMX1501AM | PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
| LMX1501AMX | PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
| LMX15010AM | 1.1 GHz Frequency Synthesizer for RF Personal Communications(367.82 k) |
| LMX1600SLB | PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
| LMX1600TM | PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX15010AM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1 GHz Frequency Synthesizer for RF Personal Communications(367.82 k) |
| LMX1501A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
| LMX1501AM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
| LMX1501AMX | 功能描述:IC FREQ SYNTHESIZR 1.1GHZ 16SOIC RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LMX1511 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications |
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