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J4
LOW
J3
MID
J1
HIGH1
J2
HIGH2
C7
L3
R1
140 nH
R08304
12 Ω
1.8 pF
N750
C6
C5
D1
C4
4.7 nF
C3
4.7 nF
C1
4.7 nF
C2
4.7 nF
47 pF
N750
1.5 pF BB182
N750
R2
6
4
1 kΩ
2
6t
2
L4
TOKO
500 nH
*
C34
R3
HBIN1
LOSCIN
1 (38)
2 (37)
3 (36)
4 (35)
5 (34)
6 (33)
7 (32)
8 (31)
9 (30)
(1) 38
(2) 37
5.6 kΩ
120 pF
N750
HBIN2
MBIN
LBIN
LOSCOUT
OSCGND
MOSCIN2
MOSCIN1
HOSCIN2
HOSCOUT2
HOSCOUT1
HOSCIN1
IFGND
1
3
D2
BB178
R4
L1
25 nH
(3) 36
C27
C26
(4) 35
C33
RFGND
IFFIL1
IFFIL2
BS4
(5) 34
12 pF
12 pF
5.6 kΩ
(6) 33
120 pF
N750
(7) 32
C11 1 pF
TDA6650TT
(TDA6651TT)
(8) 31
AGC
AGC
TP1
(9) 30
N750
D3
BB179
BS3
10 (29)
11 (28)
12 (27)
13 (26)
14 (25)
15 (24)
16 (23)
17 (22)
18 (21)
19 (20)
(10) 29
(11) 28
(12) 27
(13) 26
(14) 25
(15) 24
(16) 23
(17) 22
(18) 21
(19) 20
C28
150 nF
C12 1 pF
BS2
IFOUTA
L2
13 nH
R01255
R5
BS1
IFOUTB
N750
C13 1 pF
V
BVS
CCA
D4
R20
5.6 kΩ
C17
ADC/BS5
SCL
PLLGND
15 pF
N470
R8
1 kΩ
C18
V
CCD
N750
V
CC
4.7 nF
D5
D6
D7
D8
SDA
CP
C14 1 pF
R21
R6
AS
VT
1 kΩ
27 Ω
5.6 kΩ
N750
XTOUT
XTAL1
n.c.
XTAL2
R22
1 kΩ
V
CC
Y1
C19
18 pF
R11
330 Ω
V
CC
R9
330 Ω
R10
330 Ω
C23
4.7 nF
R7
1 kΩ
R23
C21
100 nF
4 MHz
1 kΩ
C16
4.7 nF
C15
4.7 nF
5 V bus
ST2
R24
ADC
5 V bus
C20
2.7 nF
R13
1.8 kΩ
1 kΩ
R27
3.3 kΩ
R28
3.3 kΩ
V
V
CC
CC
30 V
R14
SCL
1
SDA AS
C29
4.7 nF
ST1
1 kΩ
R19
15 kΩ
R26
27 Ω
J8
3 4 5 6
1
2 3 4
J5
C31
10 µF
C32
10 µF
C30
10 µF
2
J6
J7
IF out
test
30 V
fce909
5 V bus
The pin numbers in parenthesis represent the TDA6651TT.
Fig 29. Measurement circuit for hybrid application, with asymmetrical IF output and loop filter for PAL and DVB-T standards
NXP [ NXP ]
