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參數(shù)資料
| 型號： | TDA6651TT |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| 中文描述： | 5伏混頻器/振蕩器，低噪聲的混合型地面調(diào)諧器鎖相環(huán)頻率合成器（數(shù)字和模擬） |
| 文件頁數(shù)： | 37/55頁 |
| 文件大?。?/td> | 377K |
| 代理商： | TDA6651TT |
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2004 Mar 22
37
Philips Semiconductors
Product specification
5 V mixer/oscillator and low noise PLL synthesizer
for hybrid terrestrial tuner (digital and analog)
TDA6650TT;
TDA6651TT
The TDA6650TT, TDA6651TT PLL loop stability is
guaranteed in the configuration of Figs. 27, 28, 29 and 30.
In this configuration, the external supply source is 30 V
minimum, the pull-up resistor R19, is 15 k
and all of the
local oscillators are aligned to operate at a maximum
tuning voltage of 26 V. If the configuration is changed,
there might be an impact on the loop stability.
For any other configurations, a stability analysis must be
performed. The conventional PLL AC model (cf. SIMPATA
Philips software) used for the stability analysis, is valid
provided the external source (DC supply source or
DC-to-DC converter) is able to deliver a minimum current
that is equal to the charge pump current in use.
The delivered current can be simply calculated with the
following formula:
Where
I
delivered
is the delivered current
V
DC
is the supply source voltage or DC-to-DC converter
output voltage
V
T
is the tuning voltage
R
pu
is the pull-up resistor between the DC supply source
(or the DC-to-DC converter output) and the tuning line
(R19 in Figs. 27 to 30)
I
CP
is the charge pump current in use.
I
delivered
V
-----------------------
V
T
–
R
pu
I
CP
>
=
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相關(guān)代理商/技術(shù)參數(shù) |
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| TDA6651TT/C3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651TT/C3,118 | 功能描述:射頻混合器 Mixer/Oscillator 38-Pin RoHS:否 制造商:NXP Semiconductors 頻率范圍: 轉(zhuǎn)換損失——最大: 工作電源電壓:6 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| TDA6651TT/C3/S2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651TT/C3/S3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6800 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Video modulator circuit |
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