MC1490 Motorola, MC1490 Datasheet - Page 6

• Manufacturer Part Number: MC1490
• Description: WIDEBAND AMPLIFIER WITH AGC
• Manufacturer: Motorola

T1: Primary Winding = 15 turns, #22 AWG wire, 1/4 ID Air Core
V R(AGC)
(50 )
Input
6
(50 )
Input
(50 )
Input
(1 – 30) pF
Secondary Winding = 4 turns, #22 AWG wire,
Coefficient of Coupling
Figure 19. 60 MHz Power Gain Test Circuit
(1–10) pF
T1: Primary = 17 turns, #20 AWG wire on a Toroid core, (T44–6).
Secondary = 2 turns, #20 AWG wire.
C1
38 pF
(Power Gain = 50 dB, BW
24 pF
L1 = 7 turns, #20 AWG wire, 5/16 Dia.,5/8 long
L2 = 6 turns, #14 AWG wire, 9/16 Dia.,3/4 long
C1,C2,C3 = (1–30) pF
C4 = (1–10) pF
L1 = 12 turns, #22 AWG wire on a Toroid core,
Figure 21. 30 MHz Amplifier
C2
L1
0.002 F
5.6 k
(T37–6 micro metal or equiv).
200 H
R AGC
L1
Figure 23. Two–Stage 60 MHz IF Amplifier (Power Gain
0.002 F
V R(AGC)
0.0001
V AGC
V AGC
V R(AGC)
0.002 F
F
5.1 k
[
6
5
4
1.0
4
3
6
5
MC1490P
+12 Vdc
7
4
5
6
MC1490P
3
7
2
7
+12 Vdc
MC1490P
0.001 F
10 H
[
3
1
8
1 – 10 pF
Shield
2
C3
1.0 MHz)
Shield
2
8
1
C2
1
8
(1–10) pF
T1
10 H
RFC
L2
C4
R L = 50
MC1490
Output
(50 )
+12 Vdc
1.0 k
(1–10) pF
10 k
T1
local oscillator
Signal Input
T2: Primary Winding = 10 turns, #22 AWG wire, 1/4 ID Air Core
(100 MHz)
Input from
(70 MHz)
0.002 F
39 pF
Secondary Winding = 2 turns, #22 AWG wire,
Coefficient of Coupling
V R(AGC)
V R(AGC)
(1 – 30) pF
1.0 F
e i
[
(1 – 10) pF
L1 = 5 turns, #16 AWG wire, 1/4 , ID Dia., 5/8 long
L2 = 16 turns, #20 AWG wire on a Toroid core, (T44–6).
Figure 20. Video Amplifier
100
0.002 F
80 dB, BW
Figure 22. 100 MHz Mixer
MOTOROLA ANALOG IC DEVICE DATA
0.001 F
V AGC
1.0 F
5.6 k
10 k
4
5
6

7
L1
MC1490P
[
6
4
5
6.0 V
0.002 F
0.001
3
[
1.0
5
6
4
3
F
MC1490P
1.5 MHz)
3
Shield
2
0.001 F
MC1490P
1
7
(1–10) pF
8
0.001 F
7
2
1.0 F
0.002 F
2
1
8
8
1
RFC
L2
R L
+12 Vdc
T2
(30 MHz)
10 H
(1 – 10) pF
(1 – 30) pF
e o
+12 Vdc
IF Output
Output
(50 )