參數(shù)資料
型號： S1M8837
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
中文描述： 分數(shù)N射頻/整數(shù)N如果雙鎖相環(huán)
文件頁數(shù)： 23/29頁
文件大小： 234K
代理商： S1M8837
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8836/37
23
foLD Control
Control Words
foLD
Control bits
W3[21:18]
Acronym
foLD
LOW (0)
select LDs monitoring mode of
internal counters.
HIGH (1)
Comments
Lock Detector
(LD), Test mode
foLD[3]
0
0
0
0
X
X
X
X
1
1
1
1
foLD[2]
0
0
0
0
1
1
1
1
0
0
0
0
foLD[1]
0
0
1
1
0
0
1
1
0
0
1
1
foLD[0]
0
1
0
1
0
1
0
1
0
1
0
1
foLD Output State
Disabled(default LOW)
RF and IF Analog Lock Detect
Reserved Test Mode
Reserved Test Mode
Reserved Test Mode
IF R Counter Output
IF N Counter Output
RF R Counter Output
RF N Counter Output
Reserved Test Mode
Reserved Test Mode
Reserved Test Mode
When
the
PLL
is
locked
and
the analog lock
detect
mode
is
selected,
the
foLD
output
is
HIGH,
with
narrow
pulses
LOW.
Lock Detector(LD)
There is analog mode for S1M8836/37. The foLD bits, W3[21:18], are used to select the lock detection mode and
to output the selected lock signal through the foLD pin.
The foLD output becomes HIGH with narrow pulsed LOW while both RF and IF PLLs are locked and thereby the
output should be low-pass filtered for a DC locked voltage HIGH.
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PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
S1M8837X01-G0T0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1MA 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Standard Surface Mount Glass Passivated Rectifier
S1MA-E3/5AT 功能描述:整流器 1.0 Amp 1000 Volt 30A IFSM @ 8.3ms RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
S1MA-E3/61T 功能描述:整流器 1.0 Amp 1000 Volt RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
S1MB 功能描述:整流器 1A,1000V,Glass Pass SMB Rect RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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