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參數資料
| 型號： | TDA5637T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調諧器 |
| 英文描述： | 9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners |
| 中文描述： | 3-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數： | 14/28頁 |
| 文件大?。?/td> | 217K |
| 代理商： | TDA5637T |
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1996 Jun 10
14
Philips Semiconductors
Product specification
9 V VHF, hyperband and UHF mixers-
oscillators for TV and VCR 3-band tuners
TDA5636; TDA5637
Fig.10 Cross modulation measurement in bands B and C.
Wanted input signal = 70 dB
μ
V; unwanted input signal modulated with 30% AM at 100 kHz; V
ou
= unwanted output signal V
out
when the wanted
output signal is modulated with 0.3% AM.
f
UNWANTED
= f
WANTED
+ 5.5 MHz; f
OSC
= f
WANTED
+ 38.9 MHz.
handbook, full pagewidth
MBH471
wanted
input signal
source
V
HYBRID
A
C
B
D
HYBRID
A
C
B
D
D.U.T.
BIN1
(CIN1)
IFOUT
BIN2
(CIN2)
ew
50
27
50
50
unwanted
input signal
source
50
50
eu
50
Vo
modulation analyzer
(unwanted AM on
the output wanted
frequency)
wanted
input
signal
RMS
voltmeter
Fig.11 N + 5
1 MHz pulling measurement in bands B and C.
loss
(hybrid)
= 1 dB.
In band B: f
RFW
= 391 MHz (in band C: f
RFW
= 781 MHz). These wanted signals are not used during the measurement.
In band B: f
OSC
= 429.9 MHz (in band C: f
OSC
= 819.9 MHz).
In band B: f
RFU
= 430 MHz = f
RFW
+ 5
×
8 MHz
1 MHz. (in band C: f
RFU
= 820 MHz = f
RFW
+ 5
×
8 MHz
1 MHz).
We measure the level of the unwanted signal V
iu
causing fm sidebands 30 dB below the oscillator carrier at the LO output.
V
iu
= V
meas
loss
(hybrid)
.
handbook, full pagewidth
MBH472
D.U.T.
IFOUT
Vi
unwanted
signal
source
V
Vmeas
HYBRID
A
C
B
D
eu
50
50
50
BIN1
(CIN1)
BIN2
(CIN2)
27
50
Vo
modulation analyzer
(unwanted AM on
the output wanted
frequency)
相關PDF資料 |
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|---|---|
| TDA5637B | 9 V VHF, hyperband and UHFmixers- oscillators for TV and VCR 3-band tuners(應用于TV和 VCR三頻帶調諧的9 VVHF，UHF和超頻帶混頻器/振蕩器) |
| TDA5636B | 9 V VHF, hyperband and UHFmixers- oscillators for TV and VCR 3-band tuners(應用于TV和 VCR三頻帶調諧的9 VVHF，UHF和超頻帶混頻器/振蕩器) |
| TDA5636BM | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
| TDA5636BT | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
| TDA5637BM | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
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