參數(shù)資料
型號: TUA6020
廠商: INFINEON TECHNOLOGIES AG
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO28
封裝: 1 MM HEIGHT, PLASTIC, TSSOP-28
文件頁數(shù): 29/39頁
文件大小: 739K
代理商: TUA6020
Reference
5 - 14
TUA6020
preliminarytarget
Wireless Components
Specification, April 2000
5.4.3
Matching circuit for optimum noise figure in LOW/MID band
Nfm
5.4.4
Noise Figure Test Set-up in LOW/MID band
NFVHF2
22p
7 turns
wire
0.5 mm
coil
5.5 mm
1n
In
Out
15p
22p
1n
50
τ semi rigid cable
300 mm long
96 pF/m
33dB/100m
In
Out
For fRF = 150 MHz
loss = 1.3 dB
image suppression = 13 dB
For fRF = 50 MHz
loss = 0 dB
image suppression = 16 dB
Device
under
Test
IFOUT
LOW/
MIDIN
IFOUT
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
Noise
Figure
Meter
Noise
Source
NF = NFmeas - loss of matching circuit (dB)
Matching
Circuit
IN
OUT
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