RF250 데이터 시트보기 (PDF) - Conexant Systems
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RF250 Datasheet PDF : 17 Pages
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RF250
Rx ASIC
18
16
14
12
10
8
-30 deg C
6
25 deg C
4
80 deg C
2
0
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 9. CDMA Mixer Gain
(RF Frequency = 881.52 MHz, LO Frequency = 966.90 MHz,
IF Frequency = 85.38 MHz)
10
8
6
4
2
0
-2
-30 deg C
-4
25 deg C
-6
80 deg C
-8
-10
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 11. CDMA Mixer IIP3
(RF Frequency = 881.52 MHz, LO Frequency = 966.90 MHz,
IF Frequency = 85.38 MHz)
16
14
12
10
8
-30 deg C
6
25 deg C
4
80 deg C
2
0
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 13. PCS Mixer Noise Figure
(RF Frequency = 1960 MHz, LO Frequency = 1749.62 MHz,
IF Frequency = 210.38 MHz)
10
9
8
7
6
5
4
-30 deg C
3
25 deg C
2
80 deg C
1
0
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 10. CDMA Mixer Noise Figure
(RF Frequency = 881.52 MHz, LO Frequency = 966.90 MHz,
IF Frequency = 85.38 MHz)
14
12
10
8
6
-30 deg C
25 deg C
4
80 deg C
2
0
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 12. PCS Mixer Conversion Gain
(RF Frequency = 1960 MHz, LO Frequency = 1749.62 MHz,
IF Frequency = 210.38 MHz)
7
6
5
4
3
-30 deg C
2
25 deg C
80 deg C
1
0
2.4 2.6 2.8
3
3.2 3.4 3.6 3.8
Vcc (V)
Figure 14. PCS Mixer IIP3
(RF Frequency = 1960 MHz, LO Frequency = 1749.62 MHz,
IF Frequency = 210.38 MHz)
101251A
Conexant Systems, Inc.
11
August 24, 2000
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