PCF5077T Просмотр технического описания (PDF) - Philips Electronics
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PCF5077T Datasheet PDF : 24 Pages
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Philips Semiconductors
Power amplifier controller for GSM and
PCN systems
BLOCK DIAGRAM
Preliminary specification
PCF5077T
handbook, full pRagFewinidptuht
(sensor)
C2
VD1
D1
R1
VS
1
RF-ZERO + DC
BVS
4
VINT(N)
15
voltage
control for
RF power module
C1
VINT(O)
14
BAND GAP
Ibias Vref
Vref
8
DAC8
VDDA1
30 µA
R2
1 kΩ
C4
10 pF
C6
4.8 pF
C5
DR1
19.2 pF
OP1
R3
3.5 kΩ
R4 HPA + DC
8.4 kΩ
QRSA
100
mV
DACA KICKA QRSA
Vref
−0.8
−0.33
+0.33
SC-ADDER
SLOPE GENERATOR
ANALOG
FILTER
R8
2.8 kΩ
DR0
R9
2.8 kΩ
HPA
DACA
KICKA
POWER LEVEL REGISTER 8-bit
VKICK REGISTER
VHOME REGISTER
6-bit
6 + 2-bit
Vref
6
DAC6
R10 HPA + DC
4.2 kΩ
LIMITER REGISTER
2-bit
OP4
R5
5
kΩ
Vref
COMPARATOR
DF0/1, DC, DR0/1, TEST
SERIAL BUS INTERFACE
PCF5077T
INPUT BUFFER
1/6
CONTROL
2
9
10
11
DF STROBE CLK DATA
13 12 3 16 6
VSSA
VDDA1
VDDD
VSSD
VDDA2
8
CLK13
57
TRIG PD
MGK910
1997 Nov 19
Fig.1 Block diagram.
3
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