HD155121F Datasheet, PDF (30/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
Mixer1 Typical Performance (cont)
Noise figure(SSB) vs. V_CC and Temperature
GSM mode. Gain1 (Normal gain)
15
Ta=−40°C
14
Operating voltage range _{Ta=−25°C}
Ta=27°C
13
Ta=85°C
12
Ta=100°C
11
10
9
8
7
6
5
2
2.5
3
3.5
4
4.5
V_CC (V)
Noise figure(SSB) vs. V_CC and Temperature
GSM mode. Gain2 (Low gain)
20
Ta=−40°C
19
Operating voltage range _{Ta=−25°C}
Ta=27°C
18
Ta=85°C
17
Ta=100°C
16
15
14
13
12
11
10
2
2.5
3
3.5
4
4.5
V_CC (V)
Noise figure(SSB) vs. V_CC and Temperature
PCN mode. Gain1 (Normal gain)
15
Ta=−40°C
14
Operating voltage range _{Ta=−25°C}
Ta=27°C
13
Ta=85°C
12
Ta=100°C
11
10
9
8
7
6
5
2
2.5
3
3.5
4
4.5
V_CC (V)
Noise figure(SSB) vs. V_CC and Temperature
PCN mode. Gain2 (Low gain)
20
Ta=−40°C
19
Operating voltage range _{Ta=−25°C}
Ta=27°C
18
Ta=85°C
17
Ta=100°C
16
15
14
13
12
11
10
2
2.5
3
3.5
4
4.5
V_CC (V)
30