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TDA8505 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - SECAM encoder - NXP

भाग संख्या TDA8505
समारोह SECAM encoder
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
1 Page
		
<?=TDA8505?> डेटा पत्रक पीडीएफ

TDA8505 pdf
Philips Semiconductors
SECAM encoder
Preliminary specification
TDA8505
FEATURES
Two input stages, R, G, B and Y, (RY), (BY) with
multiplexing.
Chrominance processing, highly integrated, includes
vertical identification, low frequency pre-emphasis and
high frequency pre-emphasis (anti-Cloche) and
bandpass filter.
Fully controlled FM modulator which produces a signal
in accordance with the SECAM standard without
adjustments.
Two reference oscillators, one for D'R f0 (4.40625 MHz)
and one for D'B f0 (4.250 MHz). These oscillators are
tuned by PLL loop with the frequency of the line sync as
reference. Crystal tuning, or tuning by external
reference source, of the reference oscillators is
possible.
Output stages, CVBS and separated Y + SYNC and
CHROMA. For CVBS output, signal amplitude 2 V (pp)
nominal, thus only an external emitter follower is
required for 75 driving.
Sync separator circuit and pulse shaper, to generate the
required pulses for the processing, line, frame, FH/2 and
chrominance blanking.
A 3-level sandcastle pulse is generated for PAL/NTSC
to SECAM transcoding.
FH/2 input for locking with another decoder.
Colour killing on the internal colour difference signals.
Internal bandgap reference.
GENERAL DESCRIPTION
The TDA8505 is a highly integrated SECAM encoding IC
that is designed for use in all applications that require
transformation of R, G and B signals or Y, U and V signals
to a standard SECAM signal.
The specification of the input signals is fully compatible
with those of the TDA8501 PAL/NTSC encoder.
ORDERING INFORMATION
TYPE NUMBER
TDA8505
PINS
32
PIN POSITION
SDIP32
PACKAGE
MATERIAL
plastic
CODE
SOT232-1
July 1994
2

विन्यास 30 पेज
डाउनलोड[ TDA8505 Datasheet.PDF ]


शेयर लिंक


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