參數(shù)資料
型號: ADF4208
廠商: Analog Devices, Inc.
英文描述: Dual PLL Frequency Synthesizer(雙鎖相環(huán)頻率合成器)
中文描述: 雙鎖相環(huán)頻率合成器(雙鎖相環(huán)頻率合成器)
文件頁數(shù): 3/5頁
文件大?。?/td> 104K
代理商: ADF4208
DATA
TECHNCAL
Parameter
B Version
BChips
Units
T est Conditions/Comments
NOISE CHARACT ERIST ICS
Phase Noise Floor
-173
-165
-173
-165
dBc/Hz typ
dBc/Hz typ
@ 25kHz PFD Frequency
@ 200kHz PFD Frequency
@ VCO Output
Phase Noise Performance
2
ADF4206 (
RF1, RF2
)
3
ADF4207 (
RF1, RF2
), ADF4208 (
RF2
)
4
ADF4207 (
RF1, RF2
), ADF4208 (
RF2
)
5
ADF4208 (
RF1
)
6
ADF4208 (
RF1
)
7
Spurious Signals
ADF4206 (
RF1, RF2
)
3
ADF4207 (
RF1, RF2
), ADF4208 (
RF2
)
4
ADF4207 (
RF1, RF2
), ADF4208 (
RF2
)
5
ADF4208 (
RF1
)
6
ADF4208 (
RF1
)
7
-97
-91
-82
-85
-66
-97
-91
-82
-85
-66
dBc/Hz typ
dBc/Hz typ
dBc/Hz typ
dBc/Hz typ
dBc/Hz typ
Measured at offset of f
PFD
, 2f
PFD
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
tbd/tbd
dB typ
dB typ
dB typ
dB typ
dB typ
NOT ES
1 Operating temperature range is as follows: B Version: –40°C to +85°C.
2 T he phase noise is measured with the EVAL-ADF4206/7EB or the EVAL-ADF4208EB Evaluation Boards and the HP8562E Spectrum Analyzer. T he spectrum analyzer
provides the REFIN for the synthesizer. (f
REFOUT
= 10MHz @ 0dBm)
3. f
REFIN
= 10 MHz; f
PFD
= 200 kHz; Offset frequency = 1 kHz; f
RF
= 460MHz; N = 2300; Loop B/W = 20kHz
4. f
REFIN
= 10 MHz; f
PFD
= 200 kHz; Offset frequency = 1 kHz; f
RF
= 900MHz; N = 4500; Loop B/W = 12kHz
5. f
REFIN
= 10 MHz; f
PFD
= 30kHz; Offset frequency = 1 kHz; f
RF
= 836MHz; N = 27867; Loop B/W = 3kHz
6. f
REFIN
= 10 MHz; f
PFD
= 200kHz; Offset frequency = 1 kHz; f
RF
= 1880MHz; N = 9400; Loop B/W = 20kHz
7. f
REFIN
= 10 MHz; f
PFD
= 10kHz; Offset frequency = 250Hz; f
RF
= 1880MHz; N = 188000; Loop B/W = 1kHz
Specifications subject to change without notice.
–2–
ADF4206/07/08 – SPECIFICATIONS
1
(V
DD
= +3 V ± 10%, +5 V ± 10%; V
P
= V
DD
,
+5 V ± 10%;
GND = 0 V; T
A
= T
MN
to T
MAX
unless otherwse noted)
REV.PrD 07/99
C HIP LAY OUT
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