參數(shù)資料
型號(hào): TDA9829T
廠商: NXP SEMICONDUCTORS
元件分類: 衰減器
英文描述: Downconverter For DVB(下變頻器 (DVB應(yīng)用))
中文描述: RF/MICROWAVE DOWN CONVERTER
文件頁數(shù): 12/20頁
文件大?。?/td> 153K
代理商: TDA9829T
1998 Nov 09
12
Philips Semiconductors
Product specification
Downconverter for DVB
TDA9829T
TEST CIRCUIT
Table 2
Test circuit values
PARAMETER
Europe
USA
IF frequency
VCO frequency
Oscillator circuit
36.15 MHz
86.0 MHz
43.75 MHz
97.5 MHz
Toko coil
Philips ceramic capacitor
5KM 369SNS - 2010Z
2222 632 39478
5KM 369SNS - 1647Z
2222 632 33129
Fig.8 Test circuit.
handbook, full pagewidth
MHB224
TDA9829T
20
mute switch
(b) mute
(a) no mute
AGC
switch
DVB
AGC external
VCO
control
TOP
DVB
AGC adjust
(b) AGC external
(a) AGC internal
19
18
17
16
C1
VP = 5 V
CAGC
VP = 5 V
AFC
DVB
output
tuner
AGC
10 nF
100
nF
2 V (p-p)
BC546
2.2
μ
F
22 k
22
k
51
220
68
DVB output
75
22 k
(1)
(b)
(a)
(b)
(a)
L1
15
14
13
12
11
1
1
2
2
n.c.
n.c.
n.c.
3
3
4
4
5
6
7
8
9
10
10
μ
F
DVB-IF input
(1) See Table 2.
(1) C(VCO) = 8.2 pF.
(2) C1 = 5.6 pF.
(3) L1 = 248 nH.
alfpage
MHB225
(1)
(2)
(3)
15
16
(1) C(VCO) = 8.2 pF.
(2) C1 = 15 pF.
(3) L1 = 115 nH.
alfpage
MHB225
(1)
(2)
(3)
15
16
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