Example of Characteristics for Option Resistance R1 Changed (Ta = 25°C)
IDD3 (MIX) vs. R1
10
VDD = 2.7V
VCTL = 2.7V or VCTL = 0V
8
CXG1081TN
6
4
2
0
OPEN 1500 820 680 560 470 270 150
R1 – Option resistance [Ω]
Path RFIN1 → IFOUT
GC, NF vs. R1
12
Path RFIN2 → IFOUT
GC, NF vs. R1
12
10
GC
GC
10
8
VDD = 2.7V
8
VDD = 2.7V
VCTL = 2.7V
VCTL = 0V
fRF = 870MHz
fRF = 820MHz
fLO = 740MHz
fLO = 690MHz
6
PLO = –15dBm
6
PLO = –15dBm
NF
4
NF
4
2
OPEN 1500 820 680 560 470 270 150
R1 – Option resistance [Ω]
Path RFIN1 → IFOUT
IIP3, PLK vs. R1
8
–20
VDD = 2.7V
VCTL = 2.7V
6 fRF = 870MHz
–24
fLO = 740MHz
PLO = –15dBm
4
–28
PLK
2
–32
IIP3
0
–36
2
OPEN 1500 820 680 560 470 270 150
R1 – Option resistance [Ω]
Path RFIN2 → IFOUT
IIP3, PLK vs. R1
8
–20
VDD = 2.7V
VCTL = 0V
6 fRF = 820MHz
–24
fLO = 690MHz
PLO = –15dBm
4
PLK
–28
IIP3
2
–32
0
–36
–2
OPEN 1500 820 680 560 470 270
R1 – Option resistance [Ω]
–40
150
–2
OPEN 1500 820 680 560 470 270
R1 – Option resistance [Ω]
–6–
–40
150