參數(shù)資料
型號(hào): TUA6036-T
廠商: INFINEON TECHNOLOGIES AG
元件分類: 調(diào)諧器
英文描述: 3-BAND, VIDEO TUNER, PDSO38
封裝: TSSOP-38
文件頁(yè)數(shù): 58/65頁(yè)
文件大?。?/td> 1391K
代理商: TUA6036-T
Specification
61
V 2.51, 2006-01-11
TUA6034, TUA6036
TAIFUN
Reference
4.5.5
Noise figure (NF) measurement in MID and HIGH bands
Figure 16
Noise figure (NF) measurement in MID and HIGH bands
4.5.6
Cross modulation measurement in LOW band
Figure 17
Cross modulation measurement in LOW band
Z
i >> 50 => Vi = 2 x Vmeas
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
Device
under
Test
IFOUT
MIDIN
HIGHIN
IFOUT
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
MIDIN
HIGHIN
Balun
1:1
Noise
Source
Noise
Figure
Meter
loss of balun = 1 dB
NF = NFmeas - loss of balun (dB)
V
38.9 MHz
50
modulation
analyser
Hybrid
A
B
C
D
Device
under
Test
IFOUT
LOWIN
IFOUT
V'
meas
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
18 dB
attenuator
50
V
meas
RMS
Voltmeter
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