tda6651tt/c3/s3 NXP Semiconductors, tda6651tt/c3/s3 Datasheet - Page 34

• Manufacturer Part Number: tda6651tt/c3/s3
• Description: 5 V Mixer/oscillator And Low Noise Pll Synthesizer For Hybrid Terrestrial Tuner Digital And Analog
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA6650TT_6651TT_5
Product data sheet
Fig 14. Gain (G
Fig 15. Gain (G
Z
V
V
DVB-T and PAL.
IF = 38.9 MHz.
Z
V
V
N1 = 10 turns.
N2 = 2 turns.
N1/N2 = 5.
DVB-T and PAL.
IF = 38.9 MHz.
G
G
i
i
i
o
i
o
>> 50
>> 50
= V
v
= V
= V’
e
= V’
v
50
e
50
=
=
meas
meas
meas
meas
20
20
V
V
source
V
signal
V
meas
) measurement in low and mid band with asymmetrical IF output
) measurement in low and mid band with symmetrical IF output
+ 6 dB = 70 dB V.
+ 6 dB = 70 dB V.
source
log
signal
log
meas
+ 3.75 dB.
+ 15 dB (transformer ratio N1/N2 = 5 and transformer loss).
V
V
V
----- -
V
V
----- -
i
i
V
voltmeter
= 2
= 2
Rev. 05 — 10 January 2007
o
V
i
o
voltmeter
RMS
i
V
RMS
V
V
50
meas
meas
50
= 70 dB V.
= 70 dB V.
V
5 V mixer/oscillator and low noise PLL synthesizer
i
V
i
TDA6650TT; TDA6651TT
LBIN
or
MBIN
LBIN
or
MBIN
DUT
DUT
IFOUTA
IFOUTB
IFOUTA
IFOUTB
C
V
CCA
V
transformer
o
N1
V o
V'
N2
27
meas
V'
meas
© NXP B.V. 2007. All rights reserved.
spectrum
analyzer
50
spectrum
analyzer
50
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