參數(shù)資料
型號(hào): TUA6024-K
廠(chǎng)商: INFINEON TECHNOLOGIES AG
元件分類(lèi): 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO28
封裝: 1 MM HEIGHT, PLASTIC, TSSOP-28
文件頁(yè)數(shù): 26/34頁(yè)
文件大?。?/td> 631K
代理商: TUA6024-K
Reference
5 - 13
TUA6024
Wireless Components
Specification, December 1999
5.4 Test Circuits
5.4.1
Gain (GV) test Set-up in LOW/MID
GVHF2
s
Zi >> 50 => Vi = 2 x Vmeas = 80 dBV
s
Vi = Vmeas + 6dB = 80 dBV
s
V0 = V’meas + 16 dB (transformer ratio N1:N2 and transformer loss)
s
Gv = 20 log(V0 / Vi)
5.4.2
Gain (GV) test Set-up in HIGH
GUHF2
s
Vi = Vmeas = 70 dBV
s
V0 = V’meas + 16 dB (transformer ratio N1:N2 and transformer loss)
s
Gv = 20 log(V0 / Vi) + 1 dB (1 dB = insertion loss of balun)
50
spectrum
analyser
Device
under
Test
IFOUT
LOW/
MIDIN
IFOUT
V'
meas
V
0
V
i
50
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
50
V
meas
RMS
Votmeter
50
spectrum
analyser
Device
under
Test
IFOUT
HIGHIN
IFOUT
V'
meas
V
0
V
i
50
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
50
V
meas
RMS
Votmeter
Balun
1:1
HIGHIN
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