參數(shù)資料
型號: TDA6508ATT
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, PDSO32
封裝: 6.10 MM, 0.65 MM PITCH, PLASTIC, MO-153, SOT487-1, TSSOP-32
文件頁數(shù): 24/42頁
文件大?。?/td> 274K
代理商: TDA6508ATT
2005 Mar 25
24
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
handbook, full pagewidth
MDB264
LOW_RFIN or
MID_RFIN
IFAMP_OUT1
D.U.T.
NOISE
SOURCE
NOISE
FIGURE
METER
BNC
RIM
INPUT
CIRCUIT
27
Fig.14 Noise figure measurement in the LOW and MID-bands of the TDA6508A; TDA6509A.
NF = f
meas
input circuit loss (dB).
handbook, full pagewidth
unwanted
signal
source
eu
ew
50
50
wanted
signal
source
50
MDB261
D.U.T.
LOW_RFIN
IFAMP_OUT1
IFAMP_OUT2
18 dB
attenuator
50
o
N1/N2 = 5
2 x 5
turns
2
turns
V
FILTER
38.9 MHz
modulation
analyzer
HYBRID
A
C
B
D
V
RMS
voltmeter
Vi
AM = 30%
Vo(meas)
Fig.15 Cross-modulation measurement in the LOW-band of the TDA6508; TDA6509.
V
o
= V
o(meas)
+ 15 dB (transformer ratio N1/N2 and transformer loss).
Wanted output signal at picture carrier frequency f
RF(w)
; V
o(w)
= 110 dB
μ
V.
Unwanted output signal at sound sub-carrier frequency f
RF(u)
; AM = 30%; AF = 2 kHz.
Measuring the level of unwanted signal causing 0.3% AM in the wanted signal.
f
RF(w)
= 43.25 MHz (min); 161.25 MHz (max).
f
RF(u)
= 48.75 MHz (min); 166.75 MHz (max).
f
osc
= 82.15 MHz (min); 200.15 MHz (max.).
相關(guān)PDF資料
PDF描述
TDA6508TT 3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509 3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509A 3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509AHN 3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509ATT 3-band mixer/oscillator and PLL for terrestrial tuners
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA6508TT 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509AHN 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3-band mixer/oscillator and PLL for terrestrial tuners
TDA6509ATT 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3-band mixer/oscillator and PLL for terrestrial tuners