參數(shù)資料
型號(hào): TUA6039
廠商: INFINEON TECHNOLOGIES AG
元件分類: 調(diào)諧器
英文描述: 3-BAND, VIDEO TUNER, QCC48
封裝: GREEN, PLASTIC, VQFN-48
文件頁(yè)數(shù): 59/64頁(yè)
文件大小: 1052K
代理商: TUA6039
Data Sheet
62
Revision 2.6, 2007-08-20
TUA 6039-2, TUA 6039, TUA 6037
Reference
5.5.7
Cross modulation measurement in MID and HIGH bands
Figure 20
Cross modulation measurement in MID and HIGH bands
V’
meas = V0 - 17 dB (transformer ratio N1:N2 and transformer loss)
wanted output signal at f
pix, Vo = 100 dBV
unwanted output signal at f
snd
5.5.8
Ripple susceptibility (RSC) measurement
Figure 21
Ripple susceptibility measurement
Hybrid
A
B
C
D
Device
under
Test
SAWOUT
MIDIN
HIGHIN
SAWOUT
Balun
1:1
V
o
50
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
wanted
signal
source
MIDIN
HIGHIN
IF filter
50
modulation
analyser
unwanted
signal source
AM = 80%, 1 kHz
50
V
V'
meas
RMS
Voltmeter
DC Supply
Stabilizer
5k
1u
240
Ripple
2* 22uF
1u
IC supply
50
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