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參數(shù)資料
| 型號(hào)： | TDA5636BT-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 3-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SOP-24 |
| 文件頁數(shù)： | 6/28頁 |
| 文件大?。?/td> | 172K |
| 代理商： | TDA5636BT-T |
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1996 Dec 02
14
Philips Semiconductors
Product specication
9 V VHF hyperband and UHF mixer/oscillator for
TV and VCR 3-band tuners
TDA5636B; TDA5637B
Fig.10 Cross modulation measurement in bands B and C.
handbook, full pagewidth
unwanted
signal
source
e
w
50
50
wanted
signal
source
50
e
u
50
MGC509
D.U.T.
RFB
(RFC)
RFB
(RFC)
IF
out
IF
out
18 dB
attenuator
27
50
o
N1/N2 = 5
2 x 5
turns
2
turns
V
FILTER
38.9 MHz
modulation
analyzer
HYBRID
AC
BD
HYBRID
AC
BD
V
RMS
voltmeter
VIMB
AM = 30%
(VIMC)
V’meas =Vo × 15.4 dB (transformer ratio
= 5 and transformer loss).
Wanted output signal at fRFW :Vow =104 dBV.
We measure the level of the unwanted signal Vou causing 0.3% AM modulation in the wanted output signal.
Vou =V’meas ×
+ 15.4 dB.
fRFU =fRFW + 5.5 MHz; fosc =fRF + 38.9 MHz.
Filter characteristics: fc = 38.9 MHz, f3dBBW = 1.2 MHz, f30dBBW = 2.64 MHz.
50
27
+
50
-------------------
N1
N2
--------
50
27
+
50
-------------------
Fig.11 N+5-1 MHz pulling measurement in bands B and C.
handbook, full pagewidth
MBH051
D.U.T.
LO1
LO2
V i
unwanted
signal
source
V
Vmeas
HYBRID
AC
BD
HYBRID
AC
BD
eu
50
50
50
50
50
spectrum
analyzer
CIN1
CIN2
Loss of the hybrid: 1 dB.
In band B: fRFW = 391 MHz (in band C: fRFW = 781 MHz). These wanted signals are not used during the measurement.
In band B: fosc = 429.9 MHz (in band C: fosc = 819.9 MHz).
In band B: fRFU = 430 MHz = fRFW +5 × 8 MHz 1 MHz. (in band C: fRFU = 820 MHz = fRFW +5 × 8 MHz 1 MHz).
We measure the level of the unwanted signal Viu causing fm sidebands 30 dB below the oscillator carrier at the LO output.
Viu =Vmeas loss of the hybrid.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5636M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners |
| TDA5636T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners |
| TDA5637 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners |
| TDA5637B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
| TDA5637BM | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
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