PCF5079T 查看數據表（PDF） - Philips Electronics
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PCF5079T Datasheet PDF : 28 Pages
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Philips Semiconductors
Dual-band power amplifier controller for
GSM, PCN and DCS
5 BLOCK DIAGRAM
Product specification
PCF5079
handbook, full pagewidth
RFin PA
RFout
RFin PA
RFout
D2
D1
CINT1
CINT2
VS2 VS1
5
4
S1
C1
6 pF
C4
VINT(N)
2
SFD
SFG
VCD VCG
31
Ibias2 Ibias1
C2
6 pF
30 µA 30 µA
VDD VDD
PUfilter
10 pF
PUOP1
OP1
S5 R1
20 kΩ
PUOP4
OP4IN
OP4
PUD
OP4D
PUG
OP4G
C3
16.6 pF
G = 0.3
VDD
10 µA
S4
Vhome
BAND GAP
AND CURRENT
REFERENCE
VDD
10 µA
S3
Vprebias
PUref
PCF5079
PU/ PD
phases commands
VSS
7
VDAC
6
VSS
R4 6 kΩ
VSS
10
VDD
VDAC
VDD
CONTROL
LOGIC
8
9
PU
BS
MGT325
AUXDAC3
PCF5073x
2001 Nov 21
Fig.1 Block diagram.
4
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