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Preliminary
7-52
RF2690
Rev A4 010918
7
NF versus VGC
IF Freq. 190MHz, LO Freq. 760MHz @ -10dBm, VCC=3.0, VGC=2.4 to 0.3V)
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
0.3
0.7
1.1
1.5
1.9
2.3
Vgc (V)
NF[dB]
Voltage Gain versus VGC (Temp. +25
oC, - 40oC, +85oC)
(IF Freq. 190MHz, LO Freq. 760MHz @ -10dBm,VCC=2.7V,VGC=2.4V to 0.3V)
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
0.20.4
0.6
0.8
1.01.2
1.41.6
1.82.0
2.22.4
VGC (V)
Gain @2.7V,Temp.+25C
Gain @2.7V,Temp.- 40C
Gain @2.7V,Temp.+85C
Voltage Gain versus POUT (1dB Compression)
(VCC=3.0V, VGC=2.4V, IF=191MHz, LO=760MHz @ -10dBm)
70.0
71.0
72.0
73.0
74.0
75.0
76.0
77.0
78.0
79.0
80.0
81.0
500
600
700
800
900 1000 1100 1200 1300 1400 1500 1600 1700
Power Out (mV-peak)
Voltage Gain [dB]
W-CDMA Baseband Filter Response (Calibrated)
(IF=190MHz to 195MHz, LO=760MHz @ -10dBm, VCC=3.0V, VGC=2.4V)
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0.00.5
1.01.5
2.02.5
3.03.5
Frequency (MHz)
Power Out [dBm]
IGC versus VGC
(IF Freq. 190MHz LO Freq. 760MHz VCC=3.0V Temp. 25
oC)
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
VGC (V)
Igc [uA]
Voltage Gain versus VGC (Temp. +25
oC, - 40oC, +85oC)
(IF Freq. 190MHz, LO Freq. 760MHz @ -10dBm, VCC=3.0V, VGC=2.4V to 0.3V)
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
VGC (V)
Gain @3.0V,Temp.+25C
Gain @3.0V,Temp.- 40C
Gain @3.0V,Temp.+85C
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