參數(shù)資料
型號(hào): TDA5630BT-T
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SOP-16
文件頁(yè)數(shù): 2/24頁(yè)
文件大?。?/td> 146K
代理商: TDA5630BT-T
1996 Jun 06
10
Philips Semiconductors
Product specication
9 V VHF and UHF mixer/oscillator for TV
and VCR cable tuners
TDA5630BT
Fig.7 Gain measurement in band C.
Loss of the hybrid: 1 dB.
Vi =Vmeas loss of the hybrid.
Vo =V’meas + 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Gv =20log
V
o
V
i
------
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 Noise figure measurement in band C.
Loss of the hybrid: 1 dB.
NF = NFmeas loss of the hybrid.
handbook, 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
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