參數(shù)資料
型號: TDA5631T
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners
中文描述: 2-BAND, VIDEO TUNER, PDSO20
封裝: 7.50 MM, PLASTIC, SOT-163-1, SO-20
文件頁數(shù): 12/28頁
文件大?。?/td> 252K
代理商: TDA5631T
1996 Mar 21
12
Philips Semiconductors
Product specification
9 V VHF, hyperband and UHF
mixer/oscillator for TV and VCR 3-band tuners
TDA5630;
TDA5631
Fig.8 Gain measurement in bands B and C.
Loss of the hybrid: 0.8 to 1 dB depending on frequency.
V
i
= V
meas
loss of the hybrid.
V
o
= V’
meas
+ 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
G
v
= 20 log (V
o
/V
i
) = 20 log (V’
meas
/V
meas
) + 15.4 dB + loss of the hybrid.
handbook, full pagewidth
MBH048
D.U.T.
BIN1
(CIN1)
BIN2
(CIN2)
IFOUT1
IFOUT2
50
o
2 x 5
turns
2
turns
Vi
V
V'meas
spectrum
analyzer
signal
source
V
V
HYBRID
A
C
B
D
TR
N1/N2 = 5
e
50
50
50
meas
RMS
voltmeter
Fig.9 Noise figure measurement in bands B and C.
Loss of the hybrid: 0.8 to 1 dB depending on frequency.
NF = NF
meas
loss of the hybrid.
handbook, full pagewidth
MBH049
D.U.T.
BIN1
(CIN1)
BIN2
(CIN2)
IFOUT1
IFOUT2
NOISE
METER
NOISE
SOURCE
2 x 5
turns
2
turns
TR
N1/N2 = 5
HYBRID
A
C
B
D
50
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