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參數(shù)資料
| 型號(hào)： | TDA6650ATT/C3 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO38 |
| 封裝： | 4.40 MM, 0.50 MM PITCH, PLASTIC, MO-153, SOT510-1, TSSOP-38 |
| 文件頁數(shù)： | 33/54頁 |
| 文件大?。?/td> | 325K |
| 代理商： | TDA6650ATT/C3 |
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TDA6650ATT_6651ATT_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 2 February 2007
39 of 54
NXP Semiconductors
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
V’meas =Vo (transformer ratio N1/N2 = 5 and loss).
Wanted signal source at fRFpix is 70 dBV.
The level of unwanted signal Vo at fsnd is measured by causing 0.3 % AM modulation in the wanted output signal.
N1 = 10 turns.
N2 = 2 turns.
N1/N2 = 5.
Fig 24. Cross modulation measurement in high band with symmetrical IF output
A
B
C
D
HYBRID
A
B
C
D
HYBRID
DUT
IFOUTA
IFOUTB
001aac098
C
N1
N2
transformer
V
FILTER
57 MHz
50
50
wanted
signal
source
unwanted
signal
source
AM = 30 %
1 kHz
HBIN1
HBIN2
6 dB
attenuator
V'meas
RMS
voltmeter
50
50
eu
ew
50
modulation
analyzer
Vo
Zi >> 50 → Vi =2 × Vmeas.
Vi =Vmeas + 6 dB.
Fig 25. Maximum RF input level without lock-out in low and mid band with asymmetrical IF output
fce755
50
50
50
V
e
Vmeas
RMS
voltmeter
spectrum
analyzer
DUT
signal
source
LBIN
or
MBIN
IFOUTA
IFOUTB
VCCA
27
Loss in hybrid = 1 dB.
Vi =Vmeas loss.
Fig 26. Maximum RF input level without lock-out in high band with asymmetrical IF output
fce756
V
DUT
A
B
e
C
D
HYBRID
HBIN1
HBIN2
IFOUTA
IFOUTB
VCCA
50
50
50
50
Vmeas
RMS
voltmeter
spectrum
analyzer
signal
source
27
Vi
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA6650TT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3/S2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651ATT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
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