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PDF PMB2347 Data sheet ( Hoja de datos )
| Número de pieza | PMB2347 | |
| Descripción | RF/IF Double PLL Frequency Synthesizer | |
| Fabricantes | Infineon Technologies AG | |
| Logotipo |  |
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Wireless Components
RF/IF Double PLL Frequency Synthesizer
PMB 2347 Version 1.1
Specification August 1999
preliminary
1 page  
2 Product Description
Contents of this Chapter
2.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
5 Page 
PMB 2347
preliminary
Functional Description
10 CLK
11 LD/fo
12 Rext
13 RI
14 GND2
Serial Control Input Equivalent
10
EN *2pF
560Ω
75kΩ
ESD
LD as Lock Detector
*2pF
11
LD/fo
ESD
OSW Output Equivalent
12
2pF
Rext
ESD
RI Input Equivalent
STDBY
13
RI
2pF
560Ω
ESD
/STDBY
500KΩ
3-Wire bus input: Clock
Clock input of the serial
control interface with
Schmitt-Trigger input
stage
Lock detector output
Unipolar output of the
phase detector in the
form of a pulse-width
modulated signal. In the
locked state the output
signal is at H-level. In
standby mode the output
is resistive.
For test purpose the push
pull output fo is enabled.
CP& Prescaler refer-
ence current setting
External resistor for CP &
Prescaler reference cur-
rent setting.
Reference frequency
input
Input with highly sensi-
tive preamplifier. With
small input signals AC
coupling must be set up,
where DC coupling can
be used for large input
signals.
Ground for bipolar cir-
cuitry
Wireless Components
3-4
Specification, August 1999
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PMB2347.PDF ] | |
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