參數(shù)資料
型號: TDA5737ATS
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 3-BAND, VIDEO TUNER, PDSO24
封裝: 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24
文件頁數(shù): 4/28頁
文件大?。?/td> 180K
代理商: TDA5737ATS
2000 Dec 19
12
Philips Semiconductors
Preliminary specication
5 V VHF, hyperband and UHF
mixers/oscillators for TV and VCR 3-band tuners
TDA5737A
handbook, full pagewidth
MBH048
D.U.T.
CIN1
CIN2
IFOUT1
IFOUT2
50
o
2 x 5
turns
2
turns
V i
V
V'meas
spectrum
analyzer
signal
source
V
HYBRID
AC
BD
TR
N1/N2 = 5
e
50
50
50
meas
RMS
voltmeter
Fig.8 Gain measurement in bands B and C.
loss(hybrid) = 1 dB.
Vi =Vmeas loss(hybrid).
Vo =V’meas + 15.4 dB (transformer ratio N1/N2 and transformer loss).
Voltage gain for band B andC=20log (Vo/Vi).
andbook, full pagewidth
MBH049
D.U.T.
IFOUT1
IFOUT2
NOISE
METER
NOISE
SOURCE
2 x 5
turns
2
turns
TR
N1/N2 = 5
HYBRID
AC
BD
50
CIN1
CIN2
Fig.9 Noise figure measurement in bands B and C.
Loss of the hybrid: 1 dB.
NF = NFmeas loss of the hybrid.
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