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SI4468-7 Datasheet, PDF (9/57 Pages) Silicon Laboratories – Highly configurable packet handler | |||
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Si4468/7
Table 4. Transmitter AC Electrical Characteristics
Parameter
TX Frequency
Range
Symbol
FTX
Test Condition
Min Typ Max Unit
850 â 1050 MHz
350 â 525 MHz
284 â 350 MHz
142 â 175 MHz
(G)FSK Data Rate
4(G)FSK Data Rate
OOK Data Rate
Modulation Deviation
Range
Modulation Deviation
Resolution
Output Power Range
(Si4468)
Output Power Range
(Si4467)
Output Power Variation
(Si4468)
Output Power Variation
(Si4467)
DRFSK
0.1
DR4FSK
0.2
DROOK
0.1
ïf960
850â1050 MHz
â
ïf525
420â525 MHz
â
ïf420
350â420 MHz
â
ïf350
283â350 MHz
â
ïf175
142â175 MHz
â
FRES-960
850â1050 MHz
â
FRES-525
420â525 MHz
â
FRES-420
350â420 MHz
â
FRES-350
283â350 MHz
â
FRES-175
142â175 MHz
â
PTX68
Typical range at 3.3 V
â20
PTX67
Typical range at 3.3 V with Class E
match optimized for best PA efficiency
â20
At 20 dBm PA power setting, 915 MHz,
Class E match, 3.3 V, 25 °C
19
At 10 dBm PA power setting, 915 MHz, 9
Class E match, 3.3 V, 25 °C
â 500 kbps
â 1000 kbps
â 120 kbps
1.5 â MHz
750 â kHz
600 â kHz
500 â kHz
250 â kHz
28.6 â
Hz
14.3 â
Hz
11.4 â
Hz
9.5 â
Hz
4.7 â
Hz
â +20 dBm
â +12.5 dBm
20 21 dBm
10 11 dBm
Notes:
1. All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and
from â40 to +85 °C unless otherwise stated. All typical values apply at VDD = 3.3 V and 25 °C unless otherwise stated.
2. The maximum data rate is dependent on the XTAL frequency and is calculated as per the formula: Maximum Symbol
Rate = Fxtal/60, where Fxtal is the XTAL frequency (typically 30 MHz).
3. Default API setting for modulation deviation resolution is double the typical value specified.
4. Output power is dependent on matching components and board layout.
Rev 1.0
9
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