參數(shù)資料
型號: TDA6509HN
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): 22/42頁
文件大?。?/td> 274K
代理商: TDA6509HN
2005 Mar 25
22
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
13 TEST AND APPLICATION INFORMATION
mdb265
signal
source
V
V
i(meas)
D.U.T.
LOW_RFIN
IFAMP_OUT1
GND
IFAMP_OUT2
e
50
50
50
V
i
V
o
V
o(meas)
2 x 5
turns
2
turns
RMS
voltmeter
spectrum
analyzer
N1/N2 = 5
Fig.10 Gain measurement in the LOW-band of the TDA6508; TDA6509.
Z
i
>> 50
V
i
= 2
×
V
i(meas)
= 80 dB
μ
V.
V
i
= V
i(meas)
+ 6 dB = 80 dB
μ
V.
V
o
= V
o(meas)
+ 15 dB (transformer ratio N1/N2 and transformer loss).
V
o
V
i
G
v
= 20 log
PAL f
IF
= 36.15 MHz.
------
handbook, full pagewidth
MDB266
50
27
50
50
V
LOW_RFIN
IFAMP_OUT1
e
Vi(meas)
RMS
voltmeter
spectrum
analyzer
Vo
Vo(meas)
Vi
D.U.T.
signal
source
Fig.11 Gain measurement in the LOW-band of the TDA6508A; TDA6509A.
Z
i
>> 50
V
i
= 2
×
V
i(meas)
= 80 dB
μ
V.
V
i
= V
i(meas)
+ 6 dB = 80 dB
μ
V.
V
o
= V
o(meas)
+ 3.75 dB.
V
o
V
i
G
v
= 20 log
PAL f
IF
= 36.15 MHz.
------
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