TUA1030 Infineon Technologies Corporation, TUA1030 Datasheet - Page 30

• Manufacturer Part Number: TUA1030
• Description: 3-band Tv Tuner Ic
• Manufacturer: Infineon Technologies Corporation

Confidential
Wireless Components
50
5.3.1
5.3.2
5.3 Measurement Circuits
Votmeter
V
RMS
meas
50
Gain (G
Votmeter
Gain (G
V
V
Z
V
G
V
G
RMS
meas
i
i
i
v
v
>> 50
= V
= V
= 20 log(V
= 20 log(V
V
50
meas
meas
V
V
) measurement in LOW band
) measurement in MID and HIGH bands
V
+ 6dB = 80 dBµV
= 70 dBµV
=> V
i
50
0
0
/ V
/ V
Balun
i
1:1
= 2 x V
i
i
)
) + 1 dB (1 dB = insertion loss of balun)
V
5 - 30
i
meas
LOWIN
MID/
HIGHIN
MID/
HIGHIN
Device
under
= 80 dBµV
Device
under
Test
Test
IFOUT
IFOUT
V
V
o
o
Specification, January 2002
50
spectrum
analyser
50
spectrum
analyser
TUA1030
Reference
preliminary
GVHF25U
GUHF25U