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參數(shù)資料
| 型號： | SAA5290A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Economy teletext and TV microcontrollers |
| 中文描述： | 經濟圖文電視和電視微控制器 |
| 文件頁數(shù)： | 28/33頁 |
| 文件大?。?/td> | 360K |
| 代理商： | SAA5290A |
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February 1995
28
Philips Semiconductors
Preliminary specification
One page Economy Teletext/TV
microcontroller
SAA5290
Clock generator
The oscillator circuit of the SAA5290 is a single-stage
inverting amplifier in a Pierce oscillator configuration. The
circuitry between OSCIN and OSCOUT is basically an
inverter biased to the transfer point. A crystal must be
used as the feedback element to complete the oscillator
circuitry. It is operated in parallel resonance. OSCIN is the
high gain amplifier input and OSCOUT is the output. To
drive the SAA5290 externally OSCIN is driven from an
external source and OSCOUT is left open-circuit.
Fig.7 Oscillator circuit.
(1) The values of C1 and C2 depend on the crystal specification:
C1 = C2 = 2C
L
.
handbook, halfpage
MLC110
OSCOUT
OSCIN
OSCGND
C1
(1)
C2
(1)
Fig.8 Oscillator circuit driven from external source.
handbook, halfpage
MLC111
OSCOUT
OSCIN
OSCGND
not connected
external clock
not connected
相關PDF資料 |
PDF描述 |
|---|---|
| SAA5290PS | Economy teletext and TV microcontrollers |
| SAA5290ZP | One page Economy Teletext/TV microcontroller |
| SAA5291PS | Economy teletext and TV microcontrollers(經濟的圖文電視和TV控制器) |
| SAA5296APS | Economy teletext and TV microcontrollers(經濟的圖文電視和TV控制器) |
| SAA5296PS | Economy teletext and TV microcontrollers(經濟的圖文電視和TV控制器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5290PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5290ZP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5290ZP/NV | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5291 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
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