LA1193M, 1193V
10
Vo AGC, IANT-D -- VIN MIX
20
fr = 83MHz
VAGC OUT VCC = 8.0V
8
VCL = 5V
VCC = 8.0V 16
VAGC OUT VCC = 7.0V
6
12
1000pF
36Ω
75Ω
SG 75Ω
VCC = 8.0V IANT-D
4
8
VCC = 7.0V IANT-D
2
4
5pF
6 10
Mix
7 11
5pF
VT
150Ω to IF
510Ω
13
N-AGC-INPUT
VCC
0
0
0
20
40
60
80
100
120
140
Mixer input -- dBµ
JK119342
Vo AGC, IANT-D -- VIN AGC
10
VCC = 8.0V
VAGC OUT
8
fr = 10.7MHz
VCL = VSM 16
N-AGC I-ANT-Dump
6
13
9
12
510Ω
4
47F
A
36Ω 75Ω
A ImA
Pin Di
1SV234
I-ANT-D
8
75Ω
SG
1000pF
2
4
0
0
0
20
40
60
80
100
120
140
Pin 13 AGC input -- dBµ (the input value at point A)JK119344
Mixer input -- ∆f
110
VCL = 0V
W-AGC only
100
90
N-AGC
VCL = 4V
80
VCC = 8.0V
70 fr = 83MHz
A mixer input level such
that the VAGC pin 16
60 output is under 2V
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
∆f -- MHz
JK119346
AGC frequency response
130
VCC = 8.0V
N-AGC INPUT
120
110
100
2035001Ω00ΩΩ
1kΩ
100Ω
0Ω
90
R 36Ω 75Ω
13
N-AGC 47pF
80
INPUT 75Ω SG
703 5 7 1.0 2 3 5 7 10 2 3 5 7 100 2 3 5 7
AGC input frequency -- MHz
JK119348
Vo AGC, IANT-D -- VIN AGC
10
VCC = 8.0V
fr = 83MHz
VAGC OUT
8
VCL = 0V
W-AGC-IN I-ANT-Dump
6
8
9 OUT
12
4
4pF
A
36Ω 75Ω
A ImA
Pin Di
1SV234
I-ANT-D
8
75Ω
SG
1000pF
2
4
f = 83MHz
0
0
0
20
40
60
80
100
120
140
Pin 8 AGC input -- dBµ (the input value at point A)JK119345
1000pF
36Ω
75Ω
SG 75Ω
5pF
6 10
Mix
7 11
5pF
8
VT
W-AGC-INPUT
47pF
510Ω
13
N-AGC-INPUT
VCC
AGC frequency response
130
VCC = 8.0V
AGC INPUT
120
110
20pF
100
90
10pF
47pF
22000pF
C 36Ω 75Ω
13
80
N-AGC-INPUT
75Ω SG
703 5 7 1.0 2 3 5 7 10 2 3 5 7 100 2 3 5 7
AGC input frequency -- MHz
JK119349
No.4715-15/22