TUA6034 Infineon Technologies Corporation, TUA6034 Datasheet - Page 56

• Manufacturer Part Number: TUA6034
• Description: 3-band Digital Tv / Set-top-box Tuner Ic
• Manufacturer: Infineon Technologies Corporation

4.5.3
Figure 12
For f
loss = 0 dB
image suppression = 16 dB
4.5.4
Figure 13
Specification
RF
= 50 MHz
Source
Noise
In
Matching circuit for optimum noise figure in LOW band
Noise figure (NF) measurement in LOW band
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
IFOUT
IFOUT
56
For f
N1 : N2 = 10 : 2 turns
loss = 1.3 dB
image suppression = 13 dB
In
RF
Transformer
= 150 MHz
C
N1
15p
N2
TUA6034, TUA6036
22p
50
300 mm long
96 pF/m
33dB/100m
1n
semi rigid cable
V 2.5, 2004-04-28
Figure
Noise
Meter
Out
Reference