參數(shù)資料
型號: TDA6650ATT/C3
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO38
封裝: 4.40 MM, 0.50 MM PITCH, PLASTIC, MO-153, SOT510-1, TSSOP-38
文件頁數(shù): 31/54頁
文件大小: 325K
代理商: TDA6650ATT/C3
TDA6650ATT_6651ATT_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 2 February 2007
37 of 54
NXP Semiconductors
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
Loss in hybrid = 1 dB.
Vi =Vmeas loss=70dBV.
Vo =V’meas + 3.75 dB.
.
ISDB-T and NTSC Japan.
IF = 57 MHz.
Fig 20. Gain (GV) measurement in high band with asymmetrical IF output
Loss in hybrid = 1 dB.
Vi =Vmeas loss=70dBV.
Vo =V’meas + 15 dB (transformer ratio N1/N2 = 5 and transformer loss).
.
ISDB-T and NTSC Japan.
IF = 57 MHz.
Fig 21. Gain (GV) measurement in high band with symmetrical IF output
fce751
V
IFOUTA
DUT
A
B
C
D
HYBRID
IFOUTB
VCCA
e
50
50
signal
source
HBIN1
HBIN2
Vmeas
RMS
voltmeter
50
50
spectrum
analyzer
27
V
'meas
Vi
Vo
G
v
20
V
o
V
i
------
log
=
fce752
V
IFOUTA
DUT
A
B
C
D
HYBRID
IFOUTB
e
C
N1
N2
transformer
50
50
signal
source
HBIN1
HBIN2
Vmeas
V'meas
RMS
voltmeter
50
50
spectrum
analyzer
Vo
Vi
G
v
20
V
o
V
i
------
log
=
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