參數(shù)資料
型號(hào)： TDA9818T
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
中文描述： AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝： 7.50 MM, PLASTIC, SOT-137-1, MS-013, SOP-24
文件頁(yè)數(shù)： 19/41頁(yè)
文件大?。?/td> 240K
代理商： TDA9818T
2004 Jun 29
19
Philips Semiconductors
Product specification
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
TDA9817; TDA9818
e) Example for SAW filter G1962: sound shelf value = 20 dB,
V
i(pc)
16. Input level for second IF from an external generator with 50
source impedance. AC-coupled with 10 nF capacitor,
f
mod
= 1 kHz, 27 kHz (54% FM deviation) of audio references. A VIF/SIF input signal is not permitted. Pins C
VAGC
and C
SAGC
have to be connected to positive supply voltage for minimum IF gain. S/N and THD measurements are
taken at 50
μ
s de-emphasis at pin V
de-em
(modulator pre-emphasis has to be activated). The FM demodulator
steepness
V
o(AF)
/
f
AF
is positive.
a) Second IF input level 10 mV (RMS value).
17. Measured with an FM deviation of 27 kHz the typical AF output signal is 500 mV (RMS) (R
x
= 0
). By using
R
x
= 470
the AF output signal is attenuated by 6 dB [250 mV (RMS)]. For handling a frequency deviation of more
than 53 kHz the AF output signal has to be reduced by using R
x
in order to avoid clipping (THD < 1.5%). For an
FM deviation up to 100 kHz an attenuation of 6 dB is recommended with R
x
= 470
.
18. The leakage current of the decoupling capacitor (2.2
μ
F) should not exceed 1
μ
A.
19. For all S/N measurements the used vision IF modulator has to meet the following specifications:
a) Incidental phase modulation for black-to-white jump less than 0.5 degrees
b) QSS AF performance, measured with the television demodulator AMF2 (audio output, weighted S/N ratio) better
than 60 dB (deviation 27 kHz) for 6 kHz sine wave black-to-white video modulation
c) Picture-to-sound carrier ratio; pc/sc1 = 13 dB (transmitter).
20. The pc/sc1 ratio is calculated as the addition of TV transmitter pc/sc1 ratio and SAW filter pc/sc1 ratio. This pc/sc1
ratio is necessary to achieve the S/N
W
values as noted. A different pc/sc1 ratio will change these values.
21. Measurements taken with SAW filter K3953 for vision IF (suppressed sound carrier) and K9453 for sound IF
(suppressed picture carrier). Input level V
i(SIF)(rms)
= 10 mV, 27 kHz (54% FM deviation).
22. Measurements taken with SAW filter G1962 (sound shelf: 20 dB) for vision and sound IF. Pin SIF1 and/or pin SIF2
has to be connected to ground for switching the single reference QSS mixer to intercarrier mode.
23. Measurements taken with SAW filter K9453 (Siemens) for AM sound IF (suppressed picture carrier).
Table 1
Input frequencies and carrier ratios
DESCRIPTION
SYMBOL
B/G STANDARD
M/N STANDARD
L STANDARD
L ACCENT
STANDARD
UNIT
picture or IF carrier
sound carrier
f
pc
or f
IF
f
sc1
f
sc2
sc1
sc2
38.9
33.4
33.158
13
20
45.75/58.75
41.25/54.25
7
38.9
32.4
10
33.9
40.4
10
MHz
MHz
MHz
dB
dB
picture-to-sound carrier
V
27 dB
–
V
o(rms)
32 mV (typical value)
=
=
相關(guān)PDF資料
PDF描述
TDA9817TS Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
TDA9817T Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
TDA9818TS Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
TDA9819T Multistandard vision and sound-IF PLL with DVB-IF processing
TDA9819 Multistandard Vision And Sound-IF PLL With DVB-IF Processing(帶數(shù)字視頻廣播-中頻（DVB-IF）處理的多標(biāo)準(zhǔn)視覺及聲音-中頻（IF）的 PLL)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA9818T/V1,118 功能描述:IC FM-PLL/AM DEMOD 24-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
TDA9818TS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
TDA9819 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard vision and sound-IF PLL with DVB-IF processing
TDA9819T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard vision and sound-IF PLL with DVB-IF processing
TDA9820 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard/dual channel TV FM intercarrier sound demodulator
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*