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): 28/42頁
文件大?。?/td> 274K
代理商: TDA6509HN
2005 Mar 25
28
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
handbook, full pagewidth
MDB258
HIGH_RFIN2
Vi
50
27
50
50
V
HIGH_RFIN1
IFAMP_OUT1
e
Vi(meas)
RMS
voltmeter
spectrum
analyzer
Vo
D.U.T.
Vo(meas)
signal
source
50
A
B
C
D
HYBRID
Fig.22 Gain measurement in the HIGH-band of the TDA6508A; TDA6509A.
Hybrid loss = 1 dB.
V
i
= V
i(meas)
loss = 70 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.
------
mdb255
D.U.T.
IFAMP_OUT1
IFAMP_OUT2
NOISE
METER
NOISE
SOURCE
2 x 5
turns
2
turns
N1/N2 = 5
HYBRID
A
C
B
D
50
HIGH_RFIN1
HIGH_RFIN2
Fig.23 Noise figure measurement in the HIGH-band of the TDA6508; TDA6509.
Hybrid loss = 1 dB.
NF = NF
meas
hybrid loss.
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