tua6045-2 Infineon Technologies Corporation, tua6045-2 Datasheet - Page 60

• Manufacturer Part Number: tua6045-2
• Description: Low Power 3-band Digital Tv / Portable Tuner Ic Taifun 3
• Manufacturer: Infineon Technologies Corporation

5.6.3
Figure 11
5.6.4
Figure 12
Data Sheet
For f
loss = 0 dB
image suppression = 16 dB
Source
Noise
In
RF
Matching circuit for optimum noise figure in LOW band
Noise figure (NF) measurement in LOW band
= 50 MHz
Matching circuit for optimum noise figure in LOW band
Noise figure (NF) measurement in LOW band
22p
22p
NF = NFmeas - loss of matching circuit (dB)
IN
Matching
Circuit
OUT
7 turns
wire
coil
1n
5.5 mm
0.5 mm
LOWIN
Out
Device
under
Test
SAWOUT
SAWOUT
60
N1 : N2 = 10 : 2 turns
In
For f
loss = 1.3 dB
image suppression = 13 dB
Transformer
C
RF
N1
15p
= 150 MHz
N2
22p
Revision 3.1, 2006-12-19
50
300 mm long
96 pF/m
33dB/100m
1n
semi rigid cable
Figure
Noise
Meter
TUA 6045-2
Out
TAIFUN 3
Reference