ATR2406-DEV-KIT2 Atmel, ATR2406-DEV-KIT2 Datasheet - Page 9

• Manufacturer Part Number: ATR2406-DEV-KIT2
• Description: KIT DEMO FOR ATR2406/ATMEGA88
• Manufacturer: Atmel
• Series: Smart RFr
• Type: Transceiver, ISMr

Specifications of ATR2406-DEV-KIT2

• Frequency: 2.4GHz
• Wireless Frequency: 2.4 GHz
• Interface Type: SPI
• Modulation: GFSK
• Operating Voltage: 2.9 V to 3.6 V
• Operating Temperature Range: - 10 C to + 60 C
• For Use With/related Products: ATR2406
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

7. PLL Principle
Figure 7-1.
4779N–ISM–12/08
Baseband controller
PLL Principle
f
Programable counter PC
"- Main counter MC
"- Swallow counter SC
10.368 MHz
13.824 MHz
VCO
REF_CLK
Reference counter RC
Phase frequency
detector PD
f
PD
PLL reference
Frequency
REF_CLK
= 1728 kHz
= 1728 kHz
(S
MC
D7
0
1
32 + S
Charge
pump
SC
)
TXDAT
External
loop filter
filter GF
Gaussian
VCO
Divider
by 2
PA driver
Mixer
ATR2406
9