參數(shù)資料
型號(hào): SP5748
廠商: Mitel Networks Corporation
英文描述: 2.4GHz Very Low Phase Noise PLL(2.4GHz甚低噪聲鎖相環(huán))
中文描述: 2.4非常低相位噪聲鎖相環(huán)(2.4甚低噪聲鎖相環(huán))
文件頁數(shù): 6/15頁
文件大小: 295K
代理商: SP5748
6
SP5748 Advance Information
-j1
DATA
CLOCK
ENABLE
Frequency data
P1
P0
T0
C1
C0
R2
R1
R0
RD
MSB
LSB
2
25
2
0
2
24
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
TIMING DIAGRAM
TBC
2^16 to 2^0
R2,R1,R0
:
:
:
:
:
:
Programmable divider ratio control bits
Reference divider control bits
Reference divider mode select
Port control bits
Charge pump current select
Test mode enable
RD
P1,P0
C1,C0
T0
Figure 4 Data format
C1
0
0
1
1
C0
0
1
0
1
Current (in mA)
0.2
0.9
.1
.45
Figure 5 Charge pump current
Figure 3 RF input impedance
2
1
3
4
+j0.2
+j0.5
+j1
+j2
+j5
-j5
-j2
-j0.5
-j0.2
0
S
11
:
Zo
= 50
Normalised to 50
Frequency Markers at 500MHz,
1GHz, 1.5GHz and 2.4GHz
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