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參數資料
型號： ADF4251
廠商： Analog Devices, Inc.
英文描述： Dual Fractional-N/Integer-N Frequency Synthesizer
中文描述： 雙Fractional-N/Integer-N頻率合成器
文件頁數： 7/28頁
文件大小： 387K
代理商： ADF4251
REV. 0
Typical Performance Characteristics–ADF4251
–7–
FREQUENCY
0
–60
–2kHz
O
–1kHz
1.7518GHz
1kHz
2kHz
–10
–50
–70
–90
–30
–40
–80
–20
–100
–99.19dBc/Hz
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 10Hz
REFERENCE
LEVEL = –4.2dBm
TPC 1. Phase Noise Plot, Lowest Noise Mode,
1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
FREQUENCY
0
–60
–2kHz
O
–1kHz
1.7518GHz
1kHz
2kHz
–10
–50
–70
–90
–30
–40
–80
–20
–100
–90.36dBc/Hz
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 10Hz
REFERENCE
LEVEL = –4.2dBm
TPC 2. Phase Noise Plot, Low Noise and Spur
Mode, 1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
FREQUENCY
0
–60
–2kHz
O
–1kHz
1.7518GHz
1kHz
2kHz
–10
–50
–70
–90
–30
–40
–80
–20
–100
–85.86dBc/Hz
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 10Hz
REFERENCE
LEVEL = –4.2dBm
TPC 3. Phase Noise Plot, Lowest Spur Mode,
1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
TPCs 1
–
12 attained using EVAL-ADF4252EB1 Evaluation Board; measurements from HP8562E spectrum analyzer.
FREQUENCY
0
–60
O
–10
–50
–70
–90
–30
–40
–80
–20
–100
–50dBc@
100kHz
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 1kHz
REFERENCE
LEVEL = –4.2dBm
–400kHz
–200kHz
1.7518GHz
200kHz
400kHz
TPC 4. Spurious Plot, Lowest Noise Mode,
1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
FREQUENCY
0
–60
–400kHz
O
–200kHz
1.7518GHz
200kHz
400kHz
–10
–50
–70
–90
–30
–40
–80
–20
–100
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 1kHz
REFERENCE
LEVEL = –4.2dBm
–51dBc@
100kHz
TPC 5. Spurious Plot, Low Noise and Spur Mode,
1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
FREQUENCY
0
–60
–400kHz
O
–200kHz
1.7518GHz
200kHz
400kHz
–10
–50
–70
–90
–30
–40
–80
–20
–100
V
DD
= 3V, V
P
= 5V
I
CP
= 1.875mA
PFD FREQUENCY = 10MHz
CHANNEL STEP = 200kHz
LOOP BANDWIDTH = 20kHz
FRACTION = 59/100
RBW = 1kHz
REFERENCE
LEVEL = –4.2dBm
–72dBc@
100kHz
TPC 6. Spurious Plot, Lowest Spur Mode,
1.7518 GHz RF
OUT
, 10 MHz PFD Frequency,
200 kHz Channel Step Resolution
相關PDF資料
PDF描述
ADF4251BCP Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4251BCP-REEL Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4251BCP-REEL7 Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4252BCP Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4252BCP-REEL Dual Fractional-N/Integer-N Frequency Synthesizer
相關代理商/技術參數
參數描述
ADF4251BCP 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Dual 24-Pin LFCSP EP
ADF4251BCP-REEL 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4251BCP-REEL7 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4252 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Fractional-N/Integer-N Frequency Synthesizer
ADF4252BCP 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Dual 24-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:1000-2500MHZ FRAC-N PLL - Bulk 制造商:Analog Devices 功能描述:IC SYNTHESIZER PLL
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