參數(shù)資料
型號: TUA6034-V
廠商: INFINEON TECHNOLOGIES AG
元件分類: 調(diào)諧器
英文描述: 3-BAND, VIDEO TUNER, QCC48
封裝: VQFN-48
文件頁數(shù): 59/65頁
文件大?。?/td> 1391K
代理商: TUA6034-V
Specification
62
V 2.51, 2006-01-11
TUA6034, TUA6036
TAIFUN
Reference
4.5.7
Cross modulation measurement in MID and HIGH bands
Figure 18
Cross modulation measurement in MID and HIGH bands
V’
meas = V0 - 16 dB (transformer ratio N1:N2 and transformer loss)
wanted output signal at f
pix, Vo = 100 dBV
unwanted output signal at f
snd
4.5.8
Ripple susceptibility measurement
Figure 19
Ripple susceptibility measurement
V
38.9 MHz
50
modulation
analyser
Hybrid
A
B
C
D
Device
under
Test
IFOUT
MIDIN
HIGHIN
IFOUT
V'
meas
Balun
1:1
V
0
V
i
50
50
50
RMS
Votmeter
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
unwanted
signal source
AM = 80 %, 1 kHz
wanted
signal
source
50
V
meas
RMS
Voltmeter
18 dB
attenuator
MIDIN
HIGHIN
Circuit to superimpose a 500 kHz ripple on V
CC
500 kHz sine
10 F
50
6k8
10 F
to application
board
50
V
ripple
V
CC + V ripple
V
supply
BC847B
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