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參數(shù)資料
| 型號(hào)： | SKY72301-21 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | XO, clock |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1000 MHz, PDSO28 |
| 封裝： | LEAD FREE, TSSOP-28 |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | SKY72301-21 |
Synthesizers/PLLs
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
Spring 2006 Skyworks Proprietary Information. Products and product information are subject to change without notice.
830
Parameter
Symbol
Min
Typical
Max
Units
Analog RF supplies
2.7
3.3
VDC
Digital supply
2.7
3.3
VDC
Charge pump supplies
2.7
5(1)
VDC
Operating temperature (TA)
-40
+85
°C
Table 1. SKY72301 Recommended Operating Conditions
Serial
Interface
Modulation
Unit
Main
Divider
Auxiliary
Divider
Fvco_aux
Fvco_main
Fpd_main
Fpd_aux
Fref_main
Fref_aux
Fref
CPout_aux
CPout_main
LD/PSmain
LD/PSaux
Fvco_main
Reference
Frequency
Oscillator
Reference
Frequency
Oscillator
Main
Phase/Freq.
Detector
and
Charge Pump
Auxiliary
Phase/Freq.
Detector
and
Charge Pump
Main
Divider
Auxiliary
Prescaler
Data
Mux
Mod_in
Mux_out
Clock
CS
Fractional
Unit
Fractional
Unit
DS
18-Bit
DS
10-Bit
Registers
Modulator
Data
Main
Divider
Modulator
Control
Ref.
Divider
Synth
Control
Aux.
Divider
Main
DS
Aux.
DS
Lock Detection or
Power Steering
Lock Detection or
Power Steering
C1447
Figure 1. SKY72301 Functional Block Diagram
1. When power steering is enabled, the charge pump supply must be 4.5 V maximum.
The unit operates with a three-wire, high-speed serial
interface. A combination of a large bandwidth, fine reso-
lution, and the three-wire, high-speed serial interface
allows for a direct frequency modulation of the VCO. This
supports any continuous phase, constant envelope modu-
lation scheme such as Frequency Modulation (FM),
Frequency Shift Keying (FSK), Minimum Shift Keying
(MSK), or Gaussian Minimum Shift Keying (GMSK).
The capability to support such modulation schemes elimi-
nates the need for In-Phase and Quadrature (I/Q)
Digital-To-Analog Converters (DACs), quadrature upcon-
verters, and IF filters from the transmitter portion of the
radio system.
A functional block diagram for the SKY72301 is shown in
Figure 1. Recommended operating conditions are pro-
vided in Table 1. Package dimensions for the 9.7 x 6.4 mm
Exposed Pad Thin Shrink Small Outline Package (EP
TSSOP) are shown in Figure 2.
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| SKY72302 | 制造商:SKYWORKS 制造商全稱:SKYWORKS 功能描述:Spur-Free, 6.1 GHz Dual Fractional-N Frequency Synthesizer |
| SKY72302-21 | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 6.1GHz 400Hz step Freq. Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
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