TUA6024-2 Infineon Technologies Corporation, TUA6024-2 Datasheet - Page 38

• Manufacturer Part Number: TUA6024-2
• Description: 2 Band Tv Tuner Mixer-oscillator-pll With Balanced If-amplifier
• Manufacturer: Infineon Technologies Corporation

Wireless Components
unwanted
signal
source
AM = 80 %
50
50
wanted
signal
source
4 MHz
18p
Hybrid
A
B
5.4.7
5.4.8
50
C
D
Voltmeter
V
RMS
Cross modulation Test Set-up in HIGH band
meas
V
Measurement of f
i
V’
wanted output signal at f
unwanted output signal at f
V
meas
V
VCC
Balun
1:1
= V
0
50
- 16 dB (transformer ratio N1:N2 and transformer loss)
PMID
PLOW
+ 5 V
HIGHIN
HIGHIN
5k
Device
under
Test
ref
5 - 18
pix
IFOUT
IFOUT
, V
snd
5k
and f
f
f
o
div
ref
Test Mode: T1 = 1, T0 = 0
, 80 % AM modulated with 1 kHz
= 100 dBµV
N1 : N2 = 10 : 2 turns
V
div
0
Counter
Counter
Transformer
C
N1
f
R: reference divider ratio
f
N: divider ratio
N2
Q
VCO
= f
Votmeter
= f
ref
attenuator
RMS
V
div
* R
* N
18 dB
V'
Specification, July 2001
meas
38.9 MHz
modulation
TUA6024-2
analyser
50
Reference
freq_meas_cof
XUHF2