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DAC210 Modules
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Serial Digital to Analogue RGB/YUV
Broadcast Quality Performance
Multiple output capability
Unique Clock Regenerator circuitry
Blank to analogue line length
Up to six cards in a single 1U frame
DAC214
These modules are part of our Series 200 range and are intended for
broadcast quality applications. They offer a high level of features, with
excellent specifications and performance. The conversion is performed
to 10 bit resolution with a choice of either full 601, or near 601 filters
(for single pass applications).
The circuitry on the DAC210 modules contain a unique digital clock regenerator which removes distortion caused by jitter,
giving a cleaner analogue output. This output is switchable between YUV/RGB. The module accepts both 525 or 625 line
standards and can be set to automatically switch between them. For 525 (NTSC) applications there is the option to put
set-up on the analogue signal. The DAC210 modules can also be set to blank to analogue video line length. This is a
shaped blanking and is often needed as the digital line length is longer than the analogue one. There is also the option to
pass or blank the VBI lines.
For Low cost, monitoring applications, we offer the DAC211M. See seperate datasheet.
Input:
270Mb/s serial digital to EBU Tech. 3267-E & SMPTE 259M
625 and 525 line standards
Outputs:
Analogue YUV or RGB (selectable), 700mV into 75R and mixed syncs, 2V p-p
Sync on Green selectable
2nd set of outputs available (see options)
Reclocked serial digital video ( see options).
Specifications:
10 bit conversion with high performance seperated DAC's. Full Broadcast reconstruction
filters are fitted as standard, complying with Rec 601
Frequency response
Differential Phase<0.05deg
Differential Gain
Y = 5.75MHz and UV=2.75 (+/- 0.1dB) for full 601 filters
<0.05%
YUV to RGB matrix error <1%
Crosstalk
<-54dB
Noise
<-54dB
Cr-Cb delay
Y-Cr,Cb delay
Group delay inequality
+/-5nS
+/-5nS
<10nS ( to 5.5MHz)
Power Consumption 8.5W approx
Single Eurocard board, front loading design for Microvideo 1U and 3U frames
Physical:
Product Codes
DAC210
D to A, RGB/YUV output, 10 bit, full 601filtering
DAC211
DAC211D
DAC214
D to A, RGB/YUV output, 10 bit, full 601filtering, 1 x SDV out
D to A, two sets of RGB/YUV output, 10 bit, full 601 filtering, 1 x SDV out
D to A, RGB/YUV output, 10 bit, full 601 filtering, 4 x SDV out
For Key channel only use -KEY after part No.
MICROVIDEO LTD, The Old Farm Offices, Copley Hill Farm, Babraham, Cambridge, ENGLAND CB2 4AF
Tel +44 (0) 1223 834119 Fax +44 (0) 1223 834471 Email - sales@microvideo.co.uk Web - www.microvideo.co.uk
The information contained here is confidential and subject to change
Data sheet ref - dac-02.dtp (April 98)
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