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參數(shù)資料
| 型號： | TDA5637T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)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(shù)： | 12/28頁 |
| 文件大?。?/td> | 217K |
| 代理商： | TDA5637T |
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1996 Jun 10
12
Philips Semiconductors
Product specification
9 V VHF, hyperband and UHF mixers-
oscillators for TV and VCR 3-band tuners
TDA5636; TDA5637
Fig.6 Noise figure measurement in band A.
Input circuit as shown in Fig.5.
NF = NF
meas
loss
(input circuit)
dB.
handbook, full pagewidth
MBH467
D.U.T.
INPUT
CIRCUIT
AIN
GND
IFOUT
BNC
RIM
NOISE
METER
NOISE
SOURCE
27
Fig.7 Cross modulation measurement in band A.
Wanted output signal at f
RFW
; V
ow
= 100 dB
μ
V.
We measure the level of the unwanted signal V
ou
causing 0.3 % AM modulation in the wanted output signal; V
ou
= V’
meas
×
.
f
RFW
= 50 MHz, f
RFU
= 55.5 MHz, f
OSC
= 88.9 MHz.
f
RFW
= 180 MHz, f
RFU
= 185.5 MHz, f
OSC
= 218.9 MHz.
Filter characteristics: f
c
= 38.9 MHz, f
3dBBW
= 1.2 MHz, f
30dBBW
= 2.64 MHz.
50
27
+
50
handbook, full pagewidth
unwanted
signal
source
e
w
50
50
wanted
signal
source
e
u
50
MBH468
D.U.T.
RFA
IFOUT
9 dB
attenuator
27
50
Vo
FILTER
38.9 MHz
modulation
analyzer
HYBRID
A
C
B
D
V
RMS
voltmeter
VIMN
AM = 30%
V'meas
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA5637B | 9 V VHF, hyperband and UHFmixers- oscillators for TV and VCR 3-band tuners(應(yīng)用于TV和 VCR三頻帶調(diào)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(yīng)用于TV和 VCR三頻帶調(diào)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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