MC13150
Figure 18. 1.0 dB Compression Point and Input
Third Order Intercept Point versus Input Power
20
VCC = 3.0 Vdc
fRF1 = 50 MHz
0
fRF2 = 50.01 MHz
fLO = 50.455 MHz
PLO = –10 dBm
See Figure 15
1.0 dB Compression
Point = –11 dBm
IP3 = –0.5 dBm
–20
–40
–60
–80
–60
–40
–20
0
20
RF INPUT POWER (dBm)
TYPICAL PERFORMANCE OVER TEMPERATURE
Figure 19. Supply Current, IVEE1
versus Signal Input Level
5.0
4.5 VCC = 3.0 Vdc
4.0
fc = 50 MHz
fdev = ±4.0 kHz
3.5
3.0
2.5
TA = 85°C
2.0
1.5
1.0
0.5
TA = 25°C
TA = –40°C
0
–120 –105 –90 –75 –60 –45 –30 –15 0
SIGNAL INPUT LEVEL (dBm)
Figure 20. Supply Current, IVEE2
versus Ambient Temperature
0.35
VCC = 3.0 Vdc
0.3
0.25
0.2
–40 –20
0
20
40
60
80
TA, AMBIENT TEMPERATURE (°C)
12
MOTOROLA ANALOG IC DEVICE DATA