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參數(shù)資料
| 型號： | SP5668 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 2.7GHz 3-Wire Bus Controlled Synthesiser |
| 中文描述： | 2.7GHz的3線總線控制合成器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 163K |
| 代理商： | SP5668 |
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The SP5668 is a single chip frequency synthesiser
designed for tuning systems up to 2.7GHz.
The RF preamplifer contains a divide by two prescaler
which can be disabled for applications up to 2GHz so enabling
a step size equal to the comparison frequency up to 2GHz and
twice the comparison frequency up to 2.7GHz.
Comparison frequencies are obtained either from a crystal
controlled on–chip oscillator or from an external source.
The device contains three switching ports, P0 – P2,
together with an ’in–lock’ flag output. Various test modes
including varactor disable and charge pump disable are also
included.
FEATURES
I
Complete 2.7GHz single chip system
I
Optimised for low phase noise
I
Selectable divide by two prescaler
I
Selectable reference division ratio
I
Charge pump disable
I
Varactor line disable
I
‘In–lock’ flag
I
Two selectable charge pump currents
I
Three switching ports
I
Reference frequency output
I
ESD protection (Normal ESD handling procedures
should be observed)
MP16
CHARGE PUMP
CAP Q1
CRYSTAL Q2
ENABLE
DATA
CLOCK
PORT P2
PORT P1/OC
DRIVE
V
RF INPUT
RF INPUT
V
LOCK
REF
PORT P0/OC
Fig. 1 Pin connections - top view
APPLICATIONS
I
SAT, TV, VCR and Cable tuning systems
I
Communications systems
ORDERING INFORMATION
SP5668/KG/MP1S (Tubes,)
SP5668/KG/MP1T Tape and Reel)
SP5668
2.7GHz 3-Wire Bus Controlled Synthesiser
Preliminary Information
DS4538 - 1.6 January 1997
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP5669KG | 2.7GHz I2C Bus Controlled Synthesiser |
| SP5669KGMP1S | 2.7GHz I2C Bus Controlled Synthesiser |
| SP5669KGMP1T | 2.7GHz I2C Bus Controlled Synthesiser |
| SP5669 | 2.7GHz I2C Bus Controlled Synthesiser |
| SP5748KGMP1S | 2.4GHz Very Low Phase Noise PLL |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP5668KG | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:2.7GHz 3-Wire Bus Controlled Synthesiser |
| SP5668KGMP1S | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:2.7GHz 3-Wire Bus Controlled Synthesiser |
| SP5668KGMP1T | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:2.7GHz 3-Wire Bus Controlled Synthesiser |
| SP5669 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:2.7GHz I2C Bus Controlled Synthesiser |
| SP5669_97 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:2.7GHz I2C Bus Controlled Synthesiser |
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