參數(shù)資料
型號(hào)： 935263937118
廠商： NXP SEMICONDUCTORS
元件分類： 調(diào)諧器
英文描述： 2-BAND, VIDEO TUNER, PDSO28
封裝： PLASTIC, SOT-341, SSOP-28
文件頁(yè)數(shù)： 21/48頁(yè)
文件大?。?/td> 242K
代理商： 935263937118
2000
Aug
02
28
Philips
Semiconductors
Product
specication
5
V
mix
ers/oscillators
and
synthesiz
ers
f
o
r
cab
le
TV
and
VCR
2-band
tuners
TD
A6502;
TD
A6502A;
TD
A6503;
TD
A6503A
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13.2
Measurement
cir
cuit
handbook,
full
pagewidth
FCE481
LED
C1
C4
C5
C2
C3
4.7 nF
1(28)
2(27)
3(26)
4(25)
5(24)
6(23)
W1
W3
W2
15 pF
L4
UHFIN1
UHFIN2
VHFIN
RFGND
IFFIL1
IFFIL2
PVHFL
PVHFH
PUHF
FMST
CE/AS
DA
CP
Y1
VT
XTAL
VCC
IFOUT
CL
SW
R15
R16
R17
R18
D4
D5
D6
D7
7(22)
8(21)
9(20)
10(19)
11(18)
12(17)
13(16)
14(15)
15(14)
16(13)
17(12)
18(11)
19(10)
20(9)
21(8)
22(7)
23(6)
24(5)
25(4)
26(3)
27(2)
28(1)
CON4
CON3
CON1
open for 3-wire
for test purpose only
for test
purpose only
VCC
01 02
02 01
03
04
05 06
R24
R22
TDA6502/2A
(TDA6503/3A)
R12
R14
R10
R9
R8
R6 5.6
R5
R4
R3
R7
R2 27
R11
R13
R25
R26
TR1
BC847B
C27
10
F
(16 V)
C26
10
F
(16 V)
TR2
BC847B
68 k
1 k
LOCK
LOCK/ADC
J2
+5
V
+5
V
+33
V
VS
LOCK
EN/AS
D
ATA
GND
CLOCK
GND
J3
C22
330 pF
C23
C21
C18 4.7 nF
C16
L1
L3
L5
L2
C10 1.2 pF
C11 1.2 pF
C13
C9 1.2 pF
C8 1.2 pF
C14
D3
D2
D1
C17
C6
C15
C12
27 pF
C19 4.7 nF
C20
100 nF
10 nF
18 pF
4.7 nF
2 pF
4.7 nF
VHF-LOW
VHF-HIGH
BA792
BB178
BB179
OSCGND
VHFOSCIB
UHFOSCIB1
UHFOSCIB2
UHFOSCOC1
UHFOSCOC2
VHFOSCOC
GND
J1
RIPPLE
6.8 k
22 k
22 k
22 k
3.9 k
3.9 k
22 k
12 k
2.2 k
330
R21
330
R19
330
R20
330
330
330
330
330
680
27
82 pF
2 pF
22 nF
10 k
Fig.19 Measurement circuit.
The pin numbers in parenthesis refer to the TDA6503 and TDA6503A.
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