參數資料
型號: S1M8831A
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
中文描述: 分數N射頻/整數N如果雙鎖相環(huán)
文件頁數: 26/32頁
文件大小: 248K
代理商: S1M8831A
S1M8831A/33
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
26
foLD Control
Control Words
foLD
Control Bits
RF_N[5:2]
Acronym
foLD
LOW (0)
Select LDs and 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 S1M8831A/33. The foLD bits, RF_N[5:2], 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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參數描述
S1M8831A/33 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8831A01-G0T0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8833 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8833X01-G0T0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8836 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL