MC13110A/B MC13111A/B
FIRST MIXER
Figure 17. First Mixer Voltage Conversion
Gain, IP3_bit = 0
14
Figure 18. First Mixer Voltage Conversion
Gain, IP3_bit = 1
14
12
10
VCC = 3.6 V
8.0
IF = 10.695 MHz, 330 Ω
12
VCC = 3.6 V
10
IF = 10.695 MHz, 330 Ω
6.0
4.0
2.0
–40
–35
–30
–25
–20
–15
–10
Mix1 In, MIXER INPUT LEVEL (dBm)
8.0
6.0
–40
–35
–30
–25
–20
–15
–10
Mix1 In, MIXER INPUT LEVEL (dBm)
Figure 19. First Mixer Output Level and
Intermodulation, IP3_bit = 0
0
Fundamental Level
–20
–40
3rd Order
Intermodulation
–60
–80
–100
–40
VCC = 3.6 V
IF = 10.695 MHz, 330 Ω
–35
–30
–25
–20
–15
–10
Mix1 In, MIXER INPUT LEVEL (dBm)
Figure 20. First Mixer Output Level and
Intermodulation, IP3_bit = 1
0
–20
–40
–60
–80
–100
–40
Fundamental Level
3rd Order
Intermodulation
VCC = 3.6 V
IF = 10.695 MHz, 330 Ω
–35
–30
–25
–20
–15
–10
Mix1 In, MIXER INPUT LEVEL (dBm)
Figure 21. First Mixer Compression versus
Supply Voltage
–10
IP3_bit = 1
–12
Figure 22. First IF Bandwidth
15
10
–14
5.0
IF = 10.695 MHz, 330 Ω
–16
0
VCC = 3.6 V
–18
–5.0
RL = 330 Ω
LO = 36.075 MHz
–20
IP3_bit = 0
–10
–22
–15
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
1.0
10
100
VCC Audio, AUDIO SUPPLY VOLTAGE (V)
f, IF FREQUENCY (MHz)
MOTOROLA ANALOG IC DEVICE DATA
21