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): 36/38頁
文件大小: 464K
代理商: TUA6020
Reference
5 - 16
TUA6020
preliminary
Wireless Components
Specification, March 2000
5.4.7
Cross modulation Test Set-up in HIGH band
XUHF2
V
meas
= V
0
- 16 dB (transformer ratio N1:N2 and transformer loss)
wanted output signal at f
pix
, V
o
= 100 dBμV
unwanted output signal at f
snd
, 80 % AM modulated with 1 kHz
5.4.8
Measurement of f
ref
and f
div
MEAS_COF
V
38.9 MHz
50
modulation
analyser
Hybrid
A
B
C
D
Device
under
Test
IFOUT
HIGHIN
IFOUT
HIGHIN
V'
meas
Balun
1:1
V
0
V
i
50
50
50
RMS
Votmeter
C
Transformer
N1 : N2 = 10 : 2 turns
N1
N2
unwanted
signal
source
AM = 80 %
wanted
signal
source
50
V
V
meas
RMS
Votmeter
18 dB
attenuator
5k
5k
18p
D
T
V
VCC
Counter
Counter
+ 5 V
4 MHz
PMID
PLOW
Test Mode: T1 = 1, T0 = 0
f
Q
= f
ref
* R
R: reference divider ratio
f
VCO
= f
div
* N
N: divider ratio
f
ref
f
div
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