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MC1490 Datasheet PDF : 8 Pages
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ML1490
RF/IF/Audio Amplifier
Wideband Amplifier With AGC
Legacy Device: Motorola MC1490
The ML1490 is an integrated circuit featuring
wide–range AGC for use in RF/IF amplifiers and audio
amplifiers.
• High Power Gain:
50 dB Typ at 10 MHz
45 dB Typ at 60 MHz
35 dB Typ at 100 MHz
• Wide Range AGC: 60 dB Min, DC to 60 MHz
• 6.0 V to 15 V Operation, Single Polarity Supply
• Operating Temperature Range TA = –40° to +85°C
Note: See Similar ML1350 For Possible Option
MAXIMUM RATINGS (TA = +25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
+18
Vdc
AGC Supply
Input Differential Voltage
Operating Temperature Range
Storage Temperature Range
Junction Temperature
VAGC
VID
TA
Tstg
TJ
VCC
Vdc
5.0
Vdc
–40 to +85
°C
–65 to +150 °C
+150
°C
Representative Schematic Diagram
VAGC 70
5
470
470
4
(–) Inputs
(+)
66
6
5.0 k
5.0 k
1.1 k 1.1 k 8.4 k
2 VCC
1.5 k
5.5 k 12.1 k
8 (+)
Outputs
1 (–)
1.4 k
2.8 k
45
200 200 2.8 k
5.6 k 1.9k
200
3
Substrate 7
Pins 3 and 7 should both be connected to circuit ground.
8
1
P DIP 8 = PP
PLASTIC PACKAGE
CASE 626
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE
P DIP 8
MOTOROLA
MC1490P
LANSDALE
ML1490PP
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
PIN CONNECTIONS
Output
(–)
1
VCC 2
GND 3
Inverting 4
Input
–+
(Top View)
Output
8 (+)
7 Substrate
Ground
6 Noninverting
Input
5 AGC
Input
SCATTERING PARAMETERS
(VCC = +12 Vdc, TA = +25°C, Zo = 50 Ω)
f = MHz
Typ
Parameter Symbol
30
60
Unit
Input
Reflection
Coefficient
|S11|
0.95
0.93
–
θ11
–7.3
–16
deg
Output
Reflection
Coefficient
|S22|
0.99
0.98
–
θ22
–3.0
–5.5 deg
Forward
Transmission
|S21|
16.8
14.7
–
Coefficient
θ21
128
64.3 deg
Reverse
Transmission
Coefficient
S12
0.00048 0.00092 –
θ12
84.9
79.2 deg
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