參數(shù)資料
型號(hào): 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): 23/42頁
文件大小: 274K
代理商: TDA6508ATT
2005 Mar 25
23
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
handbook, full pagewidth
FCE578
L1
C2
C1
PCB
plug
plug
BNC
BNC
RIM-RIM
I1
C4
C3
PCB
RIM-RIM
I3
I2
(a)
(b)
Fig.12 Input circuit for optimum noise figure in LOW and MID-bands.
(a) f
RF
= 50 MHz:
LOW band mixer frequency response measured = 57 MHz, loss = 0 dB.
image suppression = 16 dB.
C1 = 9 pF.
C2 = 15 pF.
L1 = 7 turns (
5.5 mm, wire
= 0.5 mm).
l1 = semi-rigid (RIM) cable, length = 5 cm (33 dB/100 m,
50
and 96 pF/m).
(b) For f
RF
= 150 MHz:
MID band mixer frequency response measured = 150.3 MHz,
loss = 0 dB.
image suppression = 13 dB.
C3 = 5 pF.
C4 = 25 pF.
l2 = semi-rigid (RIM) cable, length = 30 cm.
l3 = semi-rigid (RIM) cable, length = 5 cm (33 dB/100 m,
50
and 96 pF/m).
mdb263
D.U.T.
INPUT
CIRCUIT
LOW_RFIN or
MID_RFIN
GND
IFAMP_OUT1
IFAMP_OUT2
BNC
RIM
NOISE
METER
NOISE
SOURCE
2 x 5
turns
2
turns
N1/N2 = 5
Fig.13 Noise figure measurement in the LOW and MID-bands of the TDA6508; TDA6509.
NF = NF
meas
input circuit loss (dB).
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