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参数资料
| 型号： | STCD23300F35F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟及定时 |
| 英文描述： | 2330 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PBGA12 |
| 封装： | 1.20 X 1.60 MM, 0.40 MM PITCH, ROHS COMPLIANT, FLIP CHIP-12 |
| 文件页数： | 7/39页 |
| 文件大小： | 1948K |
| 代理商： | STCD23300F35F |
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STCD22x0, STCD23x0, STCD24x0
Application information
Doc ID 15400 Rev 2
4.5
Phase noise
Phase noise is a frequency domain phenomenon and is a critical specification in reference
clocks. It is illustrated by a continuous spreading of the energy of the wave mainly caused by
random noise. The phase noise is normally specified with a unit of dBc/Hz at a given offset
in frequency (for example, 10 kHz) from the carrier wave (for example, 26 MHz). The value
of the phase noise is the difference of the power contained within 1 Hz bandwidth of the
offset frequency to the power at the carrier frequency. The total phase noise of the clock tree
is obtained by adding the additive phase noise of STCD22x0, STCD23x0 and STCD24x0
and the phase noise of the clock source (for example, TCXO) in power which is illustrated in
Equation 1
where:
PNT is the total phase noise in dBc/Hz
PNC is the additive phase noise of STCD22x0, STCD23x0 and STCD24x0 and
PNX is the phase noise of clock source
Make sure the total phase noise is kept within the phase noise requirement of each
application PNA. The user should choose the right TCXO with proper phase noise to meet
the requirement.
A
10
PN
10
PN
T
PN
)
10
log(
10
PN
X
C
<
+
=
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STCD2400 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
| STCD2400F35F | 功能描述:MOSFET Multichannel Clock 1.8V RF 40pF RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| STCD500100 | 制造商:Seagate Technology 功能描述:SEAGATE SLIM - Trays 制造商:Seagate Technology 功能描述:500GB Slim Portable USB 3.0 External Hard Drive |
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| STCD500104 | 制造商:Seagate Technology 功能描述:500GB Backup Plus Portable USB 3.0 External Hard Drive Silver |
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