TUA1030 Infineon Technologies Corporation, TUA1030 Datasheet - Page 32

• Manufacturer Part Number: TUA1030
• Description: 3-band Tv Tuner Ic
• Manufacturer: Infineon Technologies Corporation

Confidential
Wireless Components
unwanted
signal
source
AM = 30 %
50
5.3.5
5.3.6
50
wanted
signal
source
Source
Noise
Noise figure (NF) measurement in MID and HIGH bands
Cross modulation measurement in LOW band
Hybrid
A
B
Z
wanted output signal at f
unwanted output signal at f
50
i
C
>> 50
D
Votmeter
loss of balun = 1 dB
NF = NFmeas - loss of balun (dB)
V
RMS
meas
Balun
V
=> V
1:1
i
V
i
= 2 x V
LOWIN
5 - 32
Device
under
50
Test
MID/
HIGHIN
MID/
HIGHIN
meas
pix
Device
IFOUT
under
, V
snd
Test
o
IFOUT
= 100 dBµV
V
o
attenuator
18 dB
38.9 MHz
modulation
Figure
Noise
Meter
analyser
Specification, January 2002
50
TUA1030
Reference
preliminary
NFUHF25U
XVHF25U