TUA6032 Infineon Technologies Corporation, TUA6032 Datasheet - Page 49

• Manufacturer Part Number: TUA6032
• Description: 3-band Tv Tuner Ic
• Manufacturer: Infineon Technologies Corporation

Wireless Components
unwanted
signal
source
AM = 30 %
50
50
wanted
signal
source
Hybrid
A
B
500 kHz sine
5.5.7
5.5.8
50
C
D
Votmeter
V
RMS
Cross modulation measurement in MID and HIGH bands
meas
V
Ripple susceptibility measurement
i
V’
wanted output signal at f
unwanted output signal at f
meas
V
Balun
1:1
50 τ
Circuit to superimpose a 500 kHz ripple on V
= V
V
50
ripple
0
- 16 dB (transformer ratio N1:N2 and transformer loss)
MIDIN
HIGHIN
MIDIN
HIGHIN
Device
under
Test
50=τ
10 µF
5 - 49
6k8
IFOUT
IFOUT
pix
, V
snd
N1 : N2 = 10 : 2 turns
V
o
0
V
= 100 dBµV
10 µF
BC847B
CC
V
supply
+ V
Transformer
ripple
C
N1
to application
board
CC
N2
Votmeter
attenuator
RMS
V
TUA6030, TUA6032
18 dB
V'
Specification, July 2001
meas
38.9 MHz
modulation
analyser
Reference
50
XUHF3
RIP