TCA440 Datasheet, PDF (10/11 Pages) Siemens Semiconductor Group – AM Receiver Circuit

800
9V
600
400
5V
200
TCA 440 / T
V₇ = f ( V₉ )
V_iIF = 100 µV
f_i = 455 kHz
V_CC = parameter
TCA 440 / T
V₁₅ = f ( V₃ )
40
V_CC = parameter
V_goHF = 700 µV
f_i = 1 MHz
9V
30
5V
20
10
0
0
0
200
400
600
800
V₉ (mV)
0
100
200
300
400
V₃ (mV)
Application examples
• TCA 440
D2
Fi4
C9
Fi2
10n
C13
C12 ^S5
Rp2 ^C8
10n
W2
W1
1.5n
R6
W2
W1
1.5n
S4
S2
1.5k
a
b
S6
Fi1
C13 ^W1a
W2
S3
330
W1b
4
C12
100n
5
6
RG
2
~~
V_goHF
1
25Ω ≤ RG ≤ 100Ω
R1
1.8k _C1
20µ
16
10
12
15
14
TCA 440
7
3
8
R2
8.2k
11
13
9
C2
100n
S1
C3
C4
100n
4.7µ
V_CC
C11
C10
100n
4.7µ
C14
10n
V_IF
R9
60
A ^D1
x
Fi3
C7
4.7µ _VAF
Rp3 C5
W1
1.5n
R5 ^C6
12k 3.3n
R4
R3
39k
100
10
12/95
TCA 440 / T