ACPM-7357-TR1 데이터 시트보기 (PDF) - Avago Technologies
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ACPM-7357-TR1 Datasheet PDF : 19 Pages
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Mode control pins
Vmode and Vbp are digitally controlled by baseband and they control the operating mode of the PA. The logic table is
summarized in the below table. These pins do not require constant voltage for interface.
Power Mode
High Power Mode
Mid Power Mode
Bypass Mode
Shut Down Mode
Ven_Low,
Ven_Hi
HIGH
HIGH
HIGH
LOW
Vbp
LOW
LOW
HIGH
LOW
Vmode
LOW
HIGH
HIGH
LOW
Pout (Rel99)
~27.0dBm (Band1)
~27.5dBm(Band8)
~17dBm
~8dBm
–
Pout (HSDPA, HSUPA MPR=0dB)
~26.0dBm (Band1)
~ 26.5dBm (Band8)
~16dBm
~7dBm
–
Operating logic table.
UMTS PA performance comparison
– CoolPAM 4 and CoolPAM 5
450
400
CP5
CP4
350
300
250
200
150
100
50
0
-10
0
10
20
Pout(dBm)
The 5th generation of CoolPAM technology, ACPM-7357
can dramatically reduce Icc down to 3mA at bypass mode,
which improves overall talk time and battery usage time
of handset more compared with the CP4.
30
70
65
60
55
50
45
40
35
30
25
20
15
10
CP5
5
CP4
0
-10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16
Pout(dBm)
Figure 2. Icc Comparison of CP5 to CP4 (Avago CoolPAM)
10
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