參數(shù)資料
型號(hào): LUCW3000CCN-TR
英文描述: W3000 PLL Dual-Band Frequency Synthesizer
中文描述: W3000鎖相環(huán)雙頻段頻率合成器
文件頁(yè)數(shù): 18/28頁(yè)
文件大?。?/td> 327K
代理商: LUCW3000CCN-TR
Advance Data Sheet
December 1999
W3000 PLL Dual-Band Frequency Synthesizer
Lucent Technologies Inc.
18
MAIN_IN Input Parallel Equivalent Circuit
The input impedance is high, and can best be
represented by the model shown in Figure 9.
R
C
MAIN_IN
Figure 9. MAIN_IN Parallel Equivalent Circuit
Table 24. MAIN_IN Input Parallel Equivalent
Circuit Values
Frequency (MHz)
600
800
1000
1200
1400
1600
1800
2000
2200
C (pF)
0.88
0.87
0.85
0.85
0.86
0.92
1.00
1.10
1.20
R (
)
3680
2650
2370
1970
1580
1230
740
590
480
Application Example
1 nF
2.85 V
μ
C
1 nF
100 pF
3 k
10 nF
REF.
OSCILLATOR
VCO
15 k
150 pF
2.85 V
1
3
4
2
5
6
7
LAT
DAT
CLK
PWRDN
REF_IN
LOCKDET
RES
V
DDC
CPOUT
V
SS
1
V
SS
2
MAIN_IN
V
DD
2
V
DD
1
R
REF
14
12
11
13
10
9
8
50
33 pF
33 pF
50
V
DDC
V
DDC
18 k
Figure 10. Application Circuit Diagram
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