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參數(shù)資料
| 型號： | ZL40800 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | 6 GHz Fixed Modulus Prescalers |
| 中文描述： | 6 GHz固定模數(shù)分頻器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 419K |
| 代理商： | ZL40800 |
ZL40800 and ZL40802
Data Sheet
3
Zarlink Semiconductor Inc.
Circuit Options
The application circuit includes some optional components that may be required to improve tolerance of system
noise present in the application.
Dummy R source
may be added to the inverting input to provide a better matched source impedance at the input.
This will improve the rejection of common mode noise present within the system.
Dummy R load
may be added to the inverting output to provide better matched load at the output. This will reduce
the radiated EMI at the output and reduce the Output Noise present on the supply rail.
R1 and R2 400 Ohm Pull ups
are added to increase the headroom present at the amplifier output. This enhances
the operation at maximum supply and temperature. An alternative is to provide an inductive choke in place of R1
and R2.
These components provide a parallel DC Path to Vcc increasing the bandwidth of the output stage and providing a
virtually flat output power across frequency. See Fig 12 and 13.
Rfilter
can be inserted between the Vcc in and the Vcc_out to provide additional filtering to the input Vcc. The input
Vcc powers the input bias reference only and can be a sensitive point to system noise. The nominal input current at
Vcc_IN s 0.35mA. An alternative would be to use an inductive choke.
C1
is additional Supply Filtering and should be added with Rfilter. The IC includes 10pF of on Chip Supply Filtering.
Input and Output Circuit
Figure 4 shows the equivalent input and output circuit.
Figure 4 - Input and Output Equivalent Circuit
I/O Circuits
2
2
10mA
0.5pF
1.0nH
1.0nH
0.5pF
Vcc_Out
Output
Output Bar
Gnd
Vref
Gnd
Input
Input bar
Vcc_In
1.0nH
1.0nH
0.2pF
4
4
0.8pF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZL40802 | 6 GHz Fixed Modulus Prescalers |
| ZL40810 | 10-GHz Fixed Modulus ± 8 |
| ZL40810DCE | 10-GHz Fixed Modulus ± 8 |
| ZL40810DCF | 10-GHz Fixed Modulus ± 8 |
| ZL40814DCE | 13.5GHz Fixed Modulus Dividers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZL40800/DCA | 制造商:Microsemi Corporation 功能描述: |
| ZL40800/DCB | 制造商:Microsemi Corporation 功能描述: |
| ZL40800DCE1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述: |
| ZL40800DCF1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述: |
| ZL40802 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:6 GHz Fixed Modulus Prescalers |
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