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KB8821 Datasheet(PDF) 17 Page - Samsung semiconductor

Part # KB8821
Description  FREQUENCY SYNTHESIZER
PDF  21 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KB8821 Datasheet(HTML) 17 Page - Samsung semiconductor

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PRELIMINARY SPECIFICATION (V1.5)
FREQUENCY SYNTHESIZER
KB8821/22/23
17
99-06-15
10
9
8
7
6
5
4
3
2
1
11
12
13
14
15
16
17
18
19
20
foLD
GND
OSCin
GND
finRF
finRF
GND
CPoRF
VP1
VDD1
CLOCK DATA
LE
GND
finIF
finIF
GND
CPoIF
VP2
VDD2
VCO
VCO
From
Controller
IF out
100pF
100pF
10pF
Rin
R2
C3
C4
100pF
Vp
0.01
µF
18
Ω
VDD
100pF
0.01
µF
0.01
µF
0.01
µF
100pF
0.01
µF
VDD
VP
100pF
0.01
µF
R1
C1
C2
10pF
100pF
100pF
RF out
1000pF
foLD
Reference
Input
51
Ω
Rin
18
Ω
KB882x 20-TSSOP
TYPICAL APPLICATION CIRCUIT
** The role of Rin : Rin makes VCO output power go to the load rather than the PLL.
The value of Rin depends on the VCO power level.



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