MC3371 MC3372
TYPICAL CURVES
(Unmatched Input)
Figure 3. Total Harmonic Distortion
versus Temperature
THD, TOTAL HARMONIC DISTORTION (%)
5.0
4.0
3.0
2.0
1.0
10
0
鈥?5
鈥?5
鈥?5
5.0
25
45
85
65
TA, AMBIENT TEMPERATURE (掳C)
105
125
VCC = 4.0 Vdc
RF Input = 鈥?0 dBm
fo = 10.7 MHz
RSSI OUT (
碌
A)
70
60
50
40
30
20
Figure 4. RSSI versus RF Input
TA = 75掳C
TA = 鈥?0掳C
TA = 25掳C
VCC = 4.0 Vdc
fo = 10.7 MHz
TA = 75掳C
鈥?00
TA = 鈥?0掳C
鈥?0
鈥?0
鈥?0
鈥?0
0
20
0
鈥?40 鈥?20
RF INPUT (dBm)
Figure 5. RSSI Output versus Temperature
60
54
48
RSSI OUTPUT(
碌
A)
42
36
30
24
18
12
6.0
0
鈥?5
鈥?5
鈥?0
鈥?10 dBm
鈥?5
25
45
65
5.0
85
TA, AMBIENT TEMPERATURE (掳C)
105
125
鈥?0
鈥?70
鈥?0 dBm
VCC = 4.0 Vdc
fo = 10.7 MHz
鈥?0 dBm
MIXER OUTPUT (dBm)
0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
Figure 6. Mixer Output versus RF Input
100 MHz
Desired Products
100 MHz
3rd Order Products
VCC = 4.0 Vdc
TA = 27掳C
鈥?60
鈥?50
鈥?40
鈥?30
鈥?20
鈥?10
0
10
RF INPUT (dBm)
Figure 7. Mixer Gain versus Supply Voltage
30
27
24
RSSI OUTPUT(
碌
A)
TA = 鈥?0掳C
TA = 25掳C
18
15
12
9.0
6.0
3.0
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
0
1.0
fo = 10.7 MHz
RFin 鈥?0 dBm
1.8 k鈩?Load
MIXER GAIN (dB)
21
30
40
TA = 75掳C
Figure 8. Mixer Gain versus Frequency
VCC = 4.0 Vdc
TA = 27掳C
RFin = 鈥?0 dBm
20
鈥?0 dBm
鈥?5 dBm
10
鈥?0 dBm
5.0 dBm
0 dBm
鈥?.0 dBm
10
100
1000
VCC, SUPPLY VOLTAGE (V)
f, FREQUENCY (MHz)
MOTOROLA ANALOG IC DEVICE DATA
5