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參數(shù)資料
| 型號(hào)： | 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)： | 3/28頁 |
| 文件大?。?/td> | 180K |
| 代理商： | TDA5737ATS |
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2000 Dec 19
11
Philips Semiconductors
Preliminary specication
5 V VHF, hyperband and UHF
mixers/oscillators for TV and VCR 3-band tuners
TDA5737A
handbook, full pagewidth
unwanted
signal
source
eu
ew
50
50
wanted
signal
source
50
MGE972
D.U.T.
RFA
IF
out
IF
out
18 dB
attenuator
50
o
N1/N2 = 5
2 x 5
turns
2
turns
V
FILTER
33.9 MHz
modulation
analyzer
HYBRID
AC
BD
V
RMS
voltmeter
VIMA
AM = 30%
meas
V'
Fig.6 Cross modulation measurement in band A.
V’meas =Vo 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Wanted output signal at fRFW = 50 MHz (170 MHz); Vow =80dBV.
We measure the level of the unwanted signal Vou causing 1% AM modulation in the wanted output signal; fRFU = 45.5 MHz (165.5 MHz);
fosc = 83.9 MHz (203.9 MHz).
Vou =V’meas + 15.4 dB.
Filter characteristics: fc = 33.9 MHz; f3dBBW = 1 MHz; f30dBBW = 2.3 MHz.
handbook, full pagewidth
MGE974
REFERENCE
MEASUREMENT
SET-UP
OF FIG. 17
WITHOUT
L10, C25, C35, C26
fo
500 kHz
+500 kHz
to
spectrum
analyser
ripple
signal
47
6.8 k
100
F
100
F
DC supply
53.5 dBc
VP
Fig.7 Ripple susceptibility.
The ripple susceptibility is defined as the level of a signal added to the supply voltage causing sidebands in the LO output at 53.5 dBc.
This signal has a frequency between 20 Hz and 500 kHz.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5737M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners |
| TDA5737M/C1 | 制造商:NXP Semiconductors 功能描述:2-BAND, VIDEO TUNER, 24 Pin Plastic SMT |
| TDA5744 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5744TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5745 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
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