MC1490 Ver la hoja de datos (PDF) - Motorola => Freescale
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MC1490 Datasheet PDF : 8 Pages
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MC1490
Figure 5. Voltage Gain and Supply Current versus
Supply Voltage (Video Amplifier, See Figure 20)
45
24
40 f = 1.0 MHz
21
Rl = 1.0 Ω
AV
35
18
30
15
25
12
ICC
20
9.0
15
6.0
10
3.0
5.0
0
0 2.0 4.0 6.0 8.0 10 12 14 16
VCC, SUPPLY VOLTAGE (V)
Figure 6. Typical Gain Reduction
versus AGC Voltage
0
10
VR(AGC)
5
MC1490P
20
RAGC
30
RAGC = 100 kΩ
40
50
60
RAGC = 0 Ω RAGC = 5.6 kΩ
70
80
0 3.0 6.0 9.0 12 15 18 21 24 27 30
VR(AGC), AGC VOLTAGE (Vdc)
Figure 7. Typical Gain Reduction
versus AGC Current
0
10
20
100 < RAGC < 100 k
30
40
50
60
70
80
–40 –20 0 20 40 60 80 100 120 140 160
IAGC AGC CURRENT (µA)
Figure 8. Fixed Tuned Power Gain Reduction versus
Temperature (See Test Circuit, Figure 19)
50
40
30
0°C
20
+25°C
10
0
–10
–20
5.0
VCC = 12 Vdc
f = 60 MHz
RAGC = 5.6 kΩ
+75°C
–55°C
+125°C
5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6 6.8 7.0
VR(AGC), AGC VOLTAGE (Vdc)
Figure 9. Power Gain versus Supply Voltage
(See Test Circuit, Figure 19)
80
70
f = 60 MHz
60
50
40
GP
30
20
10
0
0 2.0 4.0 6.0 8.0 10 12 14 16
VCC, POWER SUPPLY VOLTAGE (V)
Figure 10. Noise Figure versus Frequency
10
9.0
8.0
7.0
6.0
5.0
4.0
RS Optimized
for minimum NF
3.0
2.0
1.0
0
15
20 25 30 35 40 50 60 70 80 90 100 150
f, FREQUENCY (MHz)
MOTOROLA ANALOG IC DEVICE DATA
3
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