參數(shù)資料
型號: 935261948118
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO24
封裝: PLASTIC, SOT-137, SO-24
文件頁數(shù): 5/31頁
文件大?。?/td> 328K
代理商: 935261948118
1997 Feb 24
13
Philips Semiconductors
Product specication
5 V VHF, hyperband and UHF mixers/oscillators
for TV and VCR 3-band tuners
TDA5736; TDA5737
Fig.9 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 and C = 20 log (Vo/Vi).
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.10 Noise figure measurement in bands B and 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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