STA001 데이터 시트보기 (PDF) - STMicroelectronics
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STA001 Datasheet PDF : 20 Pages
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STA001
ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test Condition
NF Noise figure contribution Measurement conditions: Input SIP, NIP
pins; output SOP, NOP pins. Rs=50Ω,
Rl=200Ω, DSB, Gain = 65dB
1dBcp Input 1 dB compression Gain = 65dB
point
1dBcpfg Input 1 dB compression Gain = 81dB
point full gain
IIP3 Input IP3
Gain = 65dB
IIP3fg
Zin
Input IP3 full gain
Input impedance
Gain = 81dB
Balanced, SOP, SON pins
Zout Output impedance
VDC SOP, SON common
mode DC voltage
Balanced, RXI, NRXI pins (see fig. 9)
AC coupled to the SAW filter
VDC RXI, NRXI common
mode DC voltage
VDC GADJ1, GADJ2 common
mode DC voltage
Zadj Gain adjustment pins
impedance
Balanced, GADJ1, GADJ2 pins
BBleak LO2 to BB leakage
Obtained using low pass filter at the output
IF2leak LO2 to IF2 leakage
Obtained with SAW filter connected to IF
port
IM3 Third order IM product Vout=1VDDp
Min.
VDD-
1.2
VDD-
2.1
VDD-
0.15
-100
Typ.
9
-50
-66
-41
-57
50
200
VDD-1
VDD-
0.12
800
-45
-30
Max.
VDD-
0.8
VDD-
1.36
VDD
-30
Unit
dB
dBm
dBm
dBm
dBm
Ω
Ω
V
V
V
Ω
dBm
dBm
dBc
Figure 1. Typical IF Overall Gain vs Control Voltage
IF TOTAL VOLTAGE GAIN (dB)
input SOP,NOP output RXI,NRXI
60
55
50
IF gain (dB)
45
40
35
30
0.7
0.75 0.77 0.79
0.8 0.82 0.84 0.86 0.88
0.9
V(AGC1, AGC2) (Volt)
IF TOTAL VOLTAGE GAIN (dB)
input SOP,NOP output RXI,NRXI
90
85
80
IF gain (dB)
75
70
65
60
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
V(AGC1, AGC2) (Volt)
6/20
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