Sanyo AAI-A Series Training Manual page 35

8. TDA8205 <NICAM QPSK Demodulator>
Ii-
BGin—
TEST-
RESET—
do
_lcf
Oaz
-lU
Z$%zz
Ss
L
Zmcna
Zz
-1
Uu
9 18 I1O
11
34 35 36 31 32 37 38
* ,>
+AOL
* ,>
~ AOR
— DC1
— DC2
I I
*MMO
I I
INTERFACE
TDA8205
1 I
II
125 113
12 13 140
h
12
14 33
17 I 20
11 I
>
AGND
XC1 XC2XK1
RG
RF ILICAP SERI
Pin description of TDA8205
Pin Symbol Description
Pin Symbol Description
1 AGNDI
Analogue ground 1
22 CK728 728kHz clock input
2 MCI Option, 13.104 MHz Xtal
23 NDO NICAM data output
3 MC2 Option, 11.7MHz Xtal
24 TEST Test
4 DF2 Data filter 2 (eye monitor)
25 MMO Matrix mute output
5 DF1
Data filter 2 (eye monitor) 26 AGND2 Analogue ground 2
6
BGIN
System
BG
input
27 ADL Audio output (left)
7 IIN System I input
28 ADR Audio output (right)
8 AGC AGC filter condenser
29 DC1 De-coupling 1
9 VCC2 +12V supply voltage
30 DC2 De-coupling 2
10 AVDD +5V supply voltage
31 AMOL Audio mute output (left)
11 LFIL1 Filter 1 left (J-17 de-emphasis)
32 AMOR Audio mute output (right)
12 RG Gain adjust resistor
(DAC) 33 CAP
De-coupling condenser
13 AGND3 Analogue ground 3 34 MAI
Monaural audio input
14 RFIL1
Filter 1 right (J-17 de-emphasis) 35 SAIL
Stereo audio input (left)
15 RESET Reset
36 SAIR Stereo audio input (right)
16
VDD +5V
supply voltage 37 EAIL
External audio input (left)
17 SERI
Serial bus input
38 EAIR External audio input (right)
18 DACDL DAC data input (left) 39 Vccl
+12V supply voltage
19 DACDR DAC data input (Right)
40 XK1 11.648MHz Xtal
20 DGND
Digital ground 41 LF2
Loop filter 2
21 CK1 1648 11.648MHz clock output
42 LF2
Loop filter 1
-37-
AAI-A