參數(shù)資料
型號: 935221200118
廠商: NXP SEMICONDUCTORS
元件分類: PLL合成/DDS/VCOs
英文描述: PHASE LOCKED LOOP, PDSO16
封裝: PLASTIC, SOT-403, TSSOP-16
文件頁數(shù): 28/40頁
文件大?。?/td> 240K
代理商: 935221200118
1999 Jan 11
34
Philips Semiconductors
Product specication
PLL with bandgap controlled VCO
74HCT9046A
MBD098
R4
C2
R2
R1
VCO
R3'
PHASE
COMPARATOR
PC2
DIVIDE BY 10
"190"
OSCILLATOR
"HCU04"
13
100 kHz
14
3
4
f OUT
PROGRAMMABLE
DIVIDER
"4059"
9
11
12 6
7
5
1 MHz
Kp
Kn
K f
Ko
C1
C3
(1)
R
15
b
Φu
Fig.34 Frequency synthesizer.
R1 = 30 k
.
R2 = 30 k
.
C1 = 100 pF.
R3
' = 2550
.
Rb = 43 k.
R4 = 600
.
C2 = 470 nF.
C3 = 39 nF.
(1)
R3'
fictive resistance
=
R3'
R
b
17
-------
=
01
2
4
1.6
1.0
0.6
0
0.8
MGA959
3
1.4
1.2
0.4
0.2
56
7
8
ω nt
ω (t)
e
ωe n
Φ (t)
e
Φe n
0.6
0
0.4
1.0
0.2
0.4
0.2
0.6
0.8
= 5.0
ζ
0.5
0.707
1.0
= 0.3
ζ
= 2.0
ζ
Fig.35 Type 2, second order frequency step response.
相關PDF資料
PDF描述
935221200112 PHASE LOCKED LOOP, PDSO16
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