TUA6032 Infineon Technologies Corporation, TUA6032 Datasheet - Page 46

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

Wireless Components
50
50
Votmeter
Votmeter
V
RMS
meas
V
RMS
meas
5.5.1
5.5.2
5.5 Measurement Circuits
V
V
Gain (G
Gain (G
50
50
Z
V
V
G
V
V
G
i
i
0
i
0
v
v
V
>> 50
= V
= V
= V’
= V’
= 20 log(V
i
= 20 log(V
V
meas
meas
i
V
V
meas
meas
Balun
) measurement in LOW band
) measurement in MID and HIGH bands
1:1
+ 6dB = 80 dBµV
= 70 dBµV
=> V
LOWIN
+ 16 dB (transformer ratio N1:N2 and transformer loss
+ 16 dB (transformer ratio N1:N2 and transformer loss
0
0
Device
under
/ V
/ V
Test
i
= 2 x V
MIDIN
HIGHIN
MIDIN
HIGHIN
i
i
)
) + 1 dB (1 dB = insertion loss of balun)
IFOUT
IFOUT
5 - 46
Device
under
Test
meas
IFOUT
IFOUT
N1 : N2 = 10 : 2 turns
V
0
= 80 dBµV
N1 : N2 = 10 : 2 turns
V
Transformer
0
C
N1
Transformer
C
N2
N1
N2
TUA6030, TUA6032
V'
meas
Specification, July 2001
V'
meas
50
spectrum
analyser
Reference
50
spectrum
analyser
GUHF3
GVHF