RMPA1852 데이터 시트보기 (PDF) - Fairchild Semiconductor
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RMPA1852 Datasheet PDF : 11 Pages
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ADVANCED DATA SHEET
RF Detector (EDGE MODE)
Parameter
Detector Voltage (VDET)
Condition
Min
Case #1
No RF Applied
45
Case #2
Pout = 0 dBm
Case #3
Pout = 29 dBm
Limits
Typ
Max
50
55
0.1
1
Units
mV
V
V
VDET vs. Power Output (EDGE MODE)
Po vs. Vdet
1.2
1.0
0.8
0.6
0.4
0.2
0
-5
0
5
10
15
20
25
30
35
Po (dBm)
Dual Mode Operation
Mode of Operation
GMSK
GMSK
8-PSK (Low Current)
8-PSK (High Current)
8-PSK (Low Current)
8-PSK (High Current)
Band
Low Band
High Band
Low Band
Low Band
High Band
High Band
Input
VRAMP VMODE Band_Set
Output Power
Analog
0
0
0 to 34.5 dBm (Vramp = 0.2 to 1.6V)
Analog
0
1
0 to 32 dBm (Vramp = 0.2 to 1.6V)
0
1
0
0 dBm to TBD dBm
1
1
0
TBD dBm to 29 dBm
0
1
1
0 dBm to TBD dBm
1
1
1
TBD dBm to 28 dBm
Power On Sequence
GMSK Power On Sequence
Apply VCC3 and VBATT
Apply Band Select
VMODE (Low)
Apply RF
Apply TX EN & VRAMP in unison
EDGE Power on Sequence
Apply VCC3 and VBATT
Apply Band Select
VMODE (High)
Apply RF
Apply TX EN
Set Vramp (Higyh or Low)
RMPA1852 Rev. C
9
www.fairchildsemi.com
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