參數(shù)資料
型號: TDA6509AHN
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 3-band mixer/oscillator and PLL for terrestrial tuners
中文描述: 3-BAND, VIDEO TUNER, PQCC32
封裝: 5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT617-1, HVQFN-32
文件頁數(shù): 30/42頁
文件大?。?/td> 274K
代理商: TDA6509AHN
2005 Mar 25
30
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
handbook, full pagewidth
50
50
50
50
ew
eu
unwanted
signal
source
wanted
signal
source
AM = 30%
Vi
MDB252
27
50
38.9 MHz
V
HIGH_RFIN1
HIGH_RFIN2
IFAMP_OUT1
A
B
C
D
HYBRID
A
B
C
D
HYBRID
18 dB
attenuator
Vo(meas)
RMS
voltmeter
modulation
analyzer
Vo
FILTER
D.U.T.
Fig.26 Cross-modulation measurement in the HIGH-band of the TDA6508A; TDA6509A.
V
o
= V
o(meas)
+ 3.75 dB.
Wanted output signal at picture carrier frequency f
RF(w)
; V
o(w)
= 100 dB
μ
V.
Unwanted output signal at sound sub-carrier frequency f
RF(u)
; AM = 30%; AF = 2 kHz.
We measure the level of unwanted signal causing 0.3% AM modulation in the wanted signal
f
RF(w)
= 439.25 MHz (min.); 863.25 MHz (max.).
f
RF(u)
= 444.75 MHz (min.); 868.75 MHz (max.).
f
osc
= 478.15 MHz (min.); 902.15 MHz (max.).
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