SA1638 Datasheet, PDF (20/26 Pages) NXP Semiconductors – Low voltage IF I/Q transceiver

Philips Semiconductors
Low voltage IF I/Q transceiver
Product specification
SA1638
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Transmitter Input Common Mode Range
Vs. Supply Voltage
0
-20
T = +25°C
2.7V 3.0V 4.0V
5.5V
-40
-60
-80
0
1
2
3
4
5
6
COMMON MODE VOLTAGE
Receiver 3dB Bandwidth vs. Temperature and V_CCTxRx
100.0
90.0
2.7V
3.0V
80.0
4.0V
5.5V
70.0
60.0
50.0
40.0
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Receiver Gain vs. Temperature and V_CCTxRx
60.0
58.0 ^5.5V
IF=400.005MHz, LO=400MHz
56.0 ^4.0V
3.0V
54.0
2.7V
52.0
50.0
48.0
46.0
44.0
42.0
40.0
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Receiver NF vs Temperature and Supply Voltage
16
14
Relative to 1200Ω source resistance
12
2.7V
10
8 _3V
5.5V
6 ^4V
4
2
0
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Receiver Gain match vs V_CCTxRx and Temperature
1
0.8
0.6
0.4
0.2
0
3.0V
-0.2 _4.0V
-0.4
2.7V
-0.6
5.5V
-0.8
-1
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Receiver Channel Matching Phase Error
vs. Temperature and V_CCTxRx
5
4
3
2 _5.5V
1
2.7V
0
3.0V
-1 _4.0V
-2
-3
-4
-5
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Figure 13. Typical Performance Characteristics (continued)
1997 Sept 03
20