參數(shù)資料
型號(hào)： S12ATD10B8CV2
廠商： Motorola, Inc.
英文描述： MC9S12DT128 Device User Guide V02.09
中文描述： MC9S12DT128設(shè)備的用戶手冊(cè)V02.09
文件頁數(shù)： 120/138頁
文件大?。?/td> 2083K
代理商： S12ATD10B8CV2
MC9S12DT128 Device User Guide — V02.09
120
The loop bandwidth f
C
should be chosen to fulfill the Gardner’s stability criteria by at least a factor of 10,
typical values are 50.
ζ
= 0.9 ensures a good transient response.
And finally the frequency relationship is defined as
With the above values the resistance can be calculated. The example is shown for a loop bandwidth
f
C
=10KHz:
2
π
n f
C
K
Φ
The capacitance C
s
can now be calculated as:
The capacitance C
p
should be chosen in the range of:
A.5.3.2 Jitter Information
The basic functionality of the PLL is shown in
Figure A-2
. With each transition of the clock f
cmp
, the
deviation from the reference clock f
ref
is measured and input voltage to the VCO is adjusted
accordingly.The adjustment is done continuously with no abrupt changes in the clock output frequency.
Noise,voltage,temperatureandotherfactorscauseslightvariationsinthecontrolloopresultinginaclock
jitter. This jitter affects the real minimum and maximum clock periods as illustrated in
Figure A-3
.
f
C
2
ζ
f
ref
------------------------------------------
π
ζ
1
ζ
2
+
+
1
10
------
f
C
f
C
< 25kHz
f
ref
4 10
-------------
ζ
0.9
=
(
)
;
<
→
<
n
f
VCO
f
ref
-------------
2
synr
1
+
(
)
=
=
= 50
R
----------------------------
=
= 2*
π
*50*10kHz/(316.7Hz/
)
=9.9k
=~ 10k
C
s
2
ζ
2
π
f
C
R
---------------------
0.516
f
C
R
--------------
ζ
0.9
=
(
)
;
≈
=
= 5.19nF =~ 4.7nF
C
s
20
C
p
C
s
10
≤
≤
C
p
= 470pF
相關(guān)PDF資料
PDF描述
S12ATD10B8CV2D Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Aluminum Alloy; Series:ACA-B Reverse Bayonet; No. of Contacts:8; Connector Shell Size:20; Connecting Termination:Solder; Circular Shell Style:Box Mount Receptacle; Gender:Female
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S12ATD10B8CV2D 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MC9S12DT128 Device User Guide V02.09
S12B 功能描述:電話連接器 3 CONDUCTOR .210"ID RoHS:否 制造商:Switchcraft 標(biāo)準(zhǔn):1/4 in 開關(guān)配置:Switched 型式:Female 位置/觸點(diǎn)數(shù)量: 端接類型:Solder 安裝風(fēng)格:Chassis (Panel) 方向:
S-12B 制造商:Switchcraft 功能描述:CONNECTOR PHONO JACK 3WAY 制造商:Switchcraft 功能描述:CONNECTOR, PHONO, JACK, 3WAY 制造商:Switchcraft 功能描述:CONNECTOR, RCA/PHONO, JACK, 3POS; Series:Little-Jax; Gender:Jack; External Diameter:6.35mm; No. of Contacts:3; Connector Color:-; Contact Termination:Solder; Connector Body Material:-; Contact Plating:-; Connector Mounting:Panel ;RoHS Compliant: Yes
S12B0C-L10PJH1-9000 制造商:ODU 功能描述:
S12BB 制造商:RELECO 功能描述:RELAY SOCKET BRIDGE BAR COIL PK5 制造商:RELECO 功能描述:RELAY SOCKET, BRIDGE BAR COIL, PK5
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