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參數(shù)資料
| 型號(hào)： | LMX2532LQ0967 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum Frequency Synthesizer System with Integrated VCOs |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 19.68 MHz, QCC28 |
| 封裝： | 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 |
| 文件頁(yè)數(shù)： | 12/18頁(yè) |
| 文件大?。?/td> | 189K |
| 代理商： | LMX2532LQ0967 |
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Programming Description
(Continued)
RF N Counter Setting:
Counter Name
Modulus Counter
Programmable
Counter
Swallow Counter
Symbol
RF_FN
RF_B
Function
RF N Divider
N = Prescaler x RF_B + RF_A + (RF_FN / f
OSC
) 10
4
RF_A
Pulse Swallow Function:
f = {Prescaler x RF_B + RF_A + (RF_FN / f
OSC
) x 10
4
} x f
OSC
where (RF_A
<
RF_B)
where
f
VCO
: Output frequency of voltage controlled oscillator (VCO)
Prescaler Values:
Device Type
LMX2522
LMX2532
RF Prescaler
8
6
GPS Prescaler
6
8
RF_B: Preset divide ratio of binary 4-bit programmable counter (2
≤
RF_B
≤
15)
RF_A: Preset divide ratio of binary 3-bit swallow counter (0
≤
RF_A
≤
7 for prescaler of 8 or 0
≤
RF_A
≤
5 for prescaler of 6)
RF_FN: Preset numerator of binary 11-bit modulus counter (0
≤
RF_FN
<
1920 for f
OSC
= 19.20 MHz; 0
≤
RF_FN
<
1968 for f
OSC
= 19.68 MHz).
f
OSC
: Reference oscillator frequency
NOTE: For the use of reference frequencies other than those specified, please contact National Semiconductor.
L
www.national.com
12
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2532LQ0967/NOPB | 功能描述:IC FREQ SYNTH DUAL W/VCO 28LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
| LMX2532LQ1065 | 制造商:Rochester Electronics LLC 功能描述:PLL+VCO CDMA+GPS - Bulk 制造商:Texas Instruments 功能描述:IC PLL VCO SMD 2532 LLP-28 |
| LMX2532LQ1065/NOPB | 功能描述:IC FREQ SYNTH DUAL W/VCO 28LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
| LMX2532LQX0967 | 功能描述:IC SYNTHESIZER PLL VCO GPS 28LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
| LMX2532LQX1065 | 功能描述:IC SYNTHESIZER PLL VCO GPS 28LLP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:100 系列:* |
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