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ROMEO2 Scheda tecnica(PDF) 25 Page - Motorola, Inc

Il numero della parte ROMEO2
Spiegazioni elettronici  PLL Tuned UHF Receiver for Data Transfer Applications
PDF  28 Pages
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Produttore elettronici  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

ROMEO2 Scheda tecnica(HTML) 25 Page - Motorola, Inc

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MC33593
MOTOROLA SEMICONDUCTORS PRODUCTS
25
revision 7.0, 5 February 2002
© Motorola, Inc., 2002.
Table 11: Component description
R2 and C5 values correspond to a strobe oscillator period TStrobe=3.8ms.
Exemple of crystal reference is given below.
Table 12: Typical crystal characteristics (SMD package)
CAGC capacitor is data rate related in FSK modulation.
Table 13: C2 value versus data rate in FSK modulation
Component
Function
Value
Unit
Q
Reference oscillator crystal
868MHz band: 13.5775
MHz
R1
Current reference resistor
180
± 1%
k
Ω
R2
Strobe oscillator resistor
470
k
Ω
C1
Crystal load capacitor
10
pF
C2
- OOK modulation -
IF amplifier AGC capacitor
100
± 10%
nF
- FSK modulation -
Low pass filter capacitor
See table 13
C3
AFC capacitor
100
± 10%
pF
C4
Mixer AGC capacitor
10
± 10%
nF
C5
Strobe oscillator capacitor
68
nF
C6
Power supply
decoupling capacitor
100
nF
C7
100
pF
C8
1
nF
C9
Crystal DC
decoupling capacitor
10
nF
Parameter
NDK LN-G102-955 (for 868MHz)
Unit
Crystal frequency
13.5775MHz
MHz
Load capacitance
12
pF
Motional capacitance
4.8
fF
Static capacitance
1.43
pF
Max loss resistance
50
Ω
Data Rate
Unit
1.2
2.4
4.8
9.6
kBd
C2
100
± 10%
47
± 10%
22
± 10%
12/10
± 10%
nF
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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