tua6045-2 Infineon Technologies Corporation, tua6045-2 Datasheet - Page 61
tua6045-2
Manufacturer Part Number
tua6045-2
Description
Low Power 3-band Digital Tv / Portable Tuner Ic Taifun 3
Manufacturer
Infineon Technologies Corporation
Datasheet
1.TUA6045-2.pdf
(64 pages)
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5.6.5
Figure 13
5.6.6
Figure 14
•
•
•
Data Sheet
V’
wanted output signal at f
unwanted output signal at f
AM = 80%, 1 kHz
signal source
unwanted
meas
Source
= V
50
50
Noise
wanted
signal
source
Noise figure (NF) measurement in MID and HIGH bands
Cross modulation measurement in LOW band
0
Noise figure (NF) measurement in MID and HIGH bands
Cross modulation measurement in LOW band
- 17 dB (transformer ratio N1:N2 and transformer loss)
A
Hybrid
B
50
loss of balun = 1 dB
NF = NFmeas - loss of balun (dB)
C
D
Balun
1:1
pix
, V
snd
LOWIN
o
Device
= 100 dBµV
under
MIDIN
HIGHIN
MIDIN
HIGHIN
Test
SAWOUT
SAWOUT
Device
under
Test
SAWOUT
SAWOUT
61
V
o
N1 : N2 = 10 : 2 turns
N1 : N2 = 10 : 2 turns
Transformer
C
N1
Transformer
C
N1
Voltmeter
N2
V'
RMS
meas
N2
Revision 3.1, 2006-12-19
V
IF filter
50
Figure
Noise
Meter
TUA 6045-2
TAIFUN 3
Reference
modulation
50
analyser
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