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Part Name
Description
ATR2406 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
ATR2406
Low-IF 2.4-GHz ISM Transceiver
Atmel Corporation
ATR2406 Datasheet PDF : 25 Pages
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7. PLL Principle
Figure 7-1.
PLL Principle
Programable counter PC
"- Main counter MC
"- Swallow counter SC
f
VCO
= 1728 kHz
×
(S
MC
×
32 + S
SC
)
Phase frequency
detector PD
f
PD
= 1728 kHz
External
loop filter
Charge
pump
VCO
ATR2406
Divider
by 2
PA driver
Mixer
Reference counter RC
REF_CLK
D7
10.368 MHz
0
13.824 MHz
1
PLL reference
Frequency
REF_CLK
Baseband controller
Gaussian
filter GF
TXDAT
9
4779N–ISM–12/08
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