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): 33/38頁
文件大?。?/td> 464K
代理商: TUA6020
Reference
5 - 13
TUA6020
preliminary
Wireless Components
Specification, March 2000
5.4
Test Circuits
5.4.1
Gain (G
V
) test Set-up in LOW/MID band
GVHF2
Z
i
>> 50
τ
=> V
i
= 2 x V
meas
= 80 dBμV
V
i
= V
meas
+ 6dB = 80 dBμV
V
0
= V
meas
+ 16 dB (transformer ratio N1:N2 and transformer loss)
G
v
= 20 log(V
0
/ V
i
)
5.4.2
Gain (G
V
) test Set-up in HIGH band
GUHF2
V
i
= V
meas
= 70 dBμV
V
0
= V
meas
+ 16 dB (transformer ratio N1:N2 and transformer loss)
G
v
= 20 log(V
0
/ V
i
) + 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
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
V
meas
RMS
Votmeter
Balun
1:1
HIGHIN
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