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参数资料
| 型号： | TDA5630BT-T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 调谐器 |
| 英文描述： | 2-BAND, VIDEO TUNER, PDSO16 |
| 封装： | 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SOP-16 |
| 文件页数： | 3/24页 |
| 文件大小： | 146K |
| 代理商： | TDA5630BT-T |
1996 Jun 06
11
Philips Semiconductors
Product specication
9 V VHF and UHF mixer/oscillator for TV
and VCR cable tuners
TDA5630BT
Fig.9 Cross modulation measurement in band C.
Vmeas =Vo 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Wanted output signal at fRFW: Vow = 108 dBV, Vmeas = 92.6 dBV.
We measure the level of the unwanted output signal Vou causing 0.3% AM modulation in the wanted output signal.
Vou =Vmeas + 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.
handbook, full pagewidth
unwanted
signal
source
e
w
50
50
wanted
signal
source
50
e
u
50
MBH050
D.U.T.
18 dB
attenuator
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
AM = 30%
1 kHz
IFOUT1
Vmeas
IFOUT2
CIN1
CIN2
Fig.10 N + 5
1 MHz pulling measurement in band C.
Loss of the hybrid: 1 dB.
fRFW = 781 MHz. This wanted signal is not used during the measurement.
fosc = 819.9 MHz.
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.
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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA5630CT | 制造商:未知厂家 制造商全称:未知厂家 功能描述:RF Mixer |
| TDA5630M | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
| TDA5630MD-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:RF Mixer |
| TDA5630T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
| TDA5631 | 制造商:PHILIPS 制造商全称: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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