參數(shù)資料
型號: TUA6020
廠商: SIEMENS AG
英文描述: 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier(兩波段電視調(diào)諧器(帶振蕩器、IF放大器))
中文描述: 2波段電視調(diào)諧器混頻器振蕩器與均衡的中頻放大器(兩波段電視調(diào)諧器(帶振蕩器中頻放大器)鎖相環(huán))
文件頁數(shù): 34/38頁
文件大小: 464K
代理商: TUA6020
Reference
5 - 14
TUA6020
preliminary
Wireless Components
Specification, March 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
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 f
RF
= 150 MHz
loss = 1.3 dB
image suppression = 13 dB
For f
RF
= 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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